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Analysis of Neanderthal teeth grooves uncovers evidence of prehistoric dentistry

UNIVERSITY OF KANSAS—LAWRENCE—Neanderthals treating toothaches?

A discovery of multiple toothpick grooves on teeth and signs of other manipulations by a Neanderthal of 130,000 years ago are evidence of a kind of prehistoric dentistry, according to a new study led by a University of Kansas researcher.

“As a package, this fits together as a dental problem that the Neanderthal was having and was trying to presumably treat itself, with the toothpick grooves, the breaks and also with the scratches on the premolar,” said David Frayer, professor emeritus of Anthropology. “It was an interesting connection or collection of phenomena that fit together in a way that we would expect a modern human to do. Everybody has had dental pain, and they know what it’s like to have a problem with an impacted tooth.”

The Bulletin of the International Association for Paleodontology recently published the study. The researchers analyzed four isolated but associated mandibular teeth on the left side of the Neanderthal’s mouth. Frayer’s co-authors are Joseph Gatti, a Lawrence dentist, Janet Monge, of the University of Pennsylvania; and, Davorka Radovčić, curator at the Croatian Natural History Museum.

The teeth were found at Krapina site in Croatia, and Frayer and Radovčić have made several discoveries about Neanderthal life there, including a widely recognized 2015 study published in PLOS ONE about a set of eagle talons that included cut marks and were fashioned into a piece of jewelry.

The teeth and all the Krapina Neanderthal fossils were discovered more than 100 years ago from the site, which was originally excavated between 1899-1905.

However, Frayer and Radovčić in recent years have reexamined many items collected from the site.

In this case, they analyzed the teeth with a light microscope to document occlusal wear, toothpick groove formation, dentin scratches, and ante mortem, lingual enamel fractures.

Even though the teeth were isolated, previous researchers were able to reconstruct their order and location in the male or female Neanderthal’s mouth. Frayer said researchers have not recovered the mandible to look for evidence of periodontal disease, but the scratches and grooves on the teeth indicate they were likely causing irritation and discomfort for some time for this individual.

They found the premolar and M3 molar were pushed out of their normal positions. Associated with that, they found six toothpick grooves among those two teeth and the two molars further behind them.

“The scratches indicate this individual was pushing something into his or her mouth to get at that twisted premolar,” Frayer said.

The features of the premolar and third molar are associated with several kinds of dental manipulations, he said. Mostly because the chips of the teeth were on the tongue side of the teeth and at different angles, the researchers ruled out that something happened to the teeth after the Neanderthal died.

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toothpick

Three views of the four articulated teeth making up KDP 20; (a) occlusal view showing lingually placed mesial interproximal wear facet on P4 (arrow) and buccal wear on M3; (b) lingual view showing a mesially placed interproximal wear facet on P4 (arrow), chips from lingual faces of all teeth and rotated, partially impacted M3; (c) buccal view showing rotated buccal face of M3 (arrow) and hypercementosis on its root. Credit: David Frayer, University of Kansas

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Toothpick grooves, irregular interproximal facets and other anomalies on the left P4; (a) mesial face with a small toothpick groove on the mesial-lingual edge. Above it is a very lingually positioned interproximal wear facet (arrow); (b) distal surface with a deep toothpick groove and an interproximal wear facet that has an abnormal lingual location (arrow); (c) chips from the occlusal/lingual margin; (d) probing striations on the mesial/buccal facet. Credit: David Frayer, University of Kansas

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Past research in the fossil record has identified toothpick grooves going back almost 2 million years, Frayer said. They did not identify what the Neanderthal would have used to produce the toothpick grooves, but it possibly could have been a bone or stem of grass.

“It’s maybe not surprising that a Neanderthal did this, but as far as I know, there’s no specimen that combines all of this together into a pattern that would indicate he or she was trying to presumably self-treat this eruption problem,” he said.

The evidence from the toothpick marks and dental manipulations is also interesting in light of the discovery of the Krapina Neanderthals’ ability to fashion eagle talons fashioned into jewelry because people often think of Neanderthals as having “subhuman” abilities.

“It fits into a pattern of a Neanderthal being able to modify its personal environment by using tools,” Frayer said, “because the toothpick grooves, whether they are made by bones or grass stems or who knows what, the scratches and chips in the teeth, they show us that Neanderthals were doing something inside their mouths to treat the dental irritation. Or at least this one was.”

Article Source: University of Kansas news release

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winter2016ebookcover

 This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

  

 

 

 

 

In Turkey, Carved Skulls Provide the First Evidence of a Neolithic “Skull Cult”

Three carved skull fragments uncovered at a Neolithic dig site in Turkey feature modifications not seen before among human remains of the time, researchers say. Thus, these modified skull fragments could point to a new “skull cult” — or ritual group — from the Neolithic period. Throughout history, people have valued skulls for different reasons, from ancestor worship to the belief that human skulls transmit protective properties. This focus on the skull has led to the establishment of the term skull cult in anthropology, and various such cults — each with characteristic modifications to skull bones — have been catalogued. Recently, Julia Gresky and colleagues observed a previously unknown type of modification in three partial skulls uncovered at Göbekli Tepe. Each skull had intentional deep incisions along its sagittal axes and one of those skulls also displayed a drilled hole in the left parietal bone, as well as red ochre remnants, the authors say. By using different microscopic techniques to analyze the fragments, Gresky et al. verified that the carvings were executed using lithic tools, thus ruling out natural causes, like animal gnawing. In addition, they were able to discount scalping as a source of the marks, due to the depth of the carvings; however, other minor cut-marks on the skulls show signs of possible defleshing, they say. More likely, the skulls were carved to venerate ancestors not long after their death, say the authors, or, to put recently “dispatched” enemies on display. These findings, published in an article about the research in Science Advances*, present the very first evidence for treatment of the dead at Göbekli Tepe.

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 Göbekli Tepe “Southeast-Hollow.” Credit: German Archaeological Institute (DAI)

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 Details of artificial skull modifications. A, C, D: carvings, B: drilled perforation. Credit:Julia Gresky, DAI

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 Schematic drawings of Göbekli Tepe skulls. Gray, preserved elements; red, modifications.  Credit: Julia Gresky, Juliane Haelm, DAI.

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gobekli1

A pillar from Building D at Göbekli Tepe seen from the southeast. Credit: German Archaeological Institute (DAI) 

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*Science Advances is published by AAAS, the nonprofit science society.

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winter2016ebookcover

 This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

  

 

 

 

 

Animals, not drought, shaped our ancestors’ environment

UNIVERSITY OF UTAH—The shores of Lake Turkana, in Kenya, are dry and inhospitable, with grasses as the dominant plant type. It hasn’t always been that way. Over the last four million years, the Omo-Turkana basin has seen a range of climates and ecosystems, and has also seen significant steps in human evolution. Scientists previously thought that long-term drying of the climate contributed to the growth of grasslands in the area and the rise of large herbivores, which in turn may have shaped how humans developed. It’s tough to prove that hypothesis, however, because of the difficulty of reconstructing four million years of climate data.

Researchers from the University of Utah have found a better way. By analyzing isotopes of oxygen preserved in herbivore teeth and tusks, they can quantify the aridity of the region and compare it to indicators of plant type and herbivore diet. The results, published in a study issued through the Proceedings of the National Academy of Sciences (PNAS) show that, unexpectedly, no long-term drying trend was associated with the expansion of grasses and grazing herbivores. Instead, variability in climate events, such as rainfall timing, and interactions between plants and animals may have had more influence on our ancestors’ environment. This shows that the expansion of grasslands isn’t solely due to drought, but more complex climate factors are at work, both for modern Africans now and ancient Africans in the Pleistocene.

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laketurkana

 A view of the Lake Turkana environment as it exists today. AdamPG, Wikimedia Commons

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Article Source: University of Utah news release

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winter2016ebookcover

 This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

  

 

 

 

 

A wooden toe: Swiss Egyptologists study 3,000-year-old prosthesis

UNIVERSITY OF BASEL—It is likely to be one of the oldest prosthetic devices in human history: Together with other experts, Egyptologists from the University of Basel have reexamined an artificial wooden big toe. The find is almost 3000 years old and was discovered in a female burial from the necropolis of Sheikh ´Abd el-Qurna close to Luxor. This area is currently being studied using state-of-the-art methods.

The international team investigated the one-of-a-kind prosthesis using modern microscopy, X-ray technology, and computer tomography. They were able to show that the wooden toe was refitted several times to the foot of its owner, a priest’s daughter. The researchers also newly classified the used materials and identified the method with which the highly developed prosthesis was produced and utilized. Experts from the Egyptian Museum in Cairo – where the prosthetic device was brought to after it had been found – and the Institute of Evolutionary Medicine at the University of Zurich were also involved in this study.

The artificial toe from the early first millennium BC testifies to the skills of an artisan who was very familiar with the human physiognomy. The technical know-how can be seen particularly well in the mobility of the prosthetic extension and the robust structure of the belt strap. The fact that the prosthesis was made in such a laborious and meticulous manner indicates that the owner valued a natural look, aesthetics and wearing comfort and that she was able to count on highly qualified specialists to provide this.

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toe

Toe prosthesis of a female burial from the Theban tomb TT95, early first millennium BC. Egyptian Museum Cairo.  Credit: University of Basel, LHTT. Image: Matja Kačičnik

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Life histories of a burial ground

The prosthesis from the Early Iron Age was found in a plundered shaft tomb that was cut into the bedrock of an older, long time idle burial chapel at the graveyard hill of Sheikh ´Abd el-Qurna to the west of Luxor. This chapel belongs to a group of monumental rock-cut tombs from the late 15th century BC which were built for a small upper class that was close to the royal family. Since the end of 2015, the University of Basel has been studying this ancient Egyptian elite cemetery, its long history of usage, and surroundings.

For this project, funded by the Swiss National Science Foundation, microanalytic, scientifically oriented methods, as well as precision technology for surveying and photography were used. The researchers are looking into the materiality of archaeological remains and are thus gaining insight into the life histories of building structures and objects. These material biographies can provide information about the manufacturing practices, usages, personal skills, habits and preferences of people who were in contact with these objects.

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 A view of the excavation area in the cemetery of Sheikh ´Abd el-Qurna. Credit: University of Basel, LHTT. Image: Matja Kačičnik

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A necropolis in 3-D

The oldest known tombs from Sheikh ´Abd el-Qurna date back to the early second millennium BC. The cemetery saw its heyday in the 15th century BC. However, many of these rock-cut structures were reused and in parts remodeled several times for burials during the first millennium BC. Much later, they served as dwellings mostly for locals – a process that began with the early Christian hermits and only ended in the early 20th century.

Together with the experts for geodesy and geology from the ETH Zurich, the Basel team of archaeologists is scientifically assessing the natural and artificial structures of the excavation area and its surroundings. The specialists are currently developing geometric precise digital elevation, landscape, and architecture models for this area. These will then be combined to an archaeological and geological 3-D map that will illustrate the morphology of the terrain as well as the investigated subterranean structures. On that basis, the researchers want to reconstruct and simulate the development of the cemetery and its use phases.

Article Source: University of Basel news release

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winter2016ebookcover

 This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

  

 

 

 

 

Ancient skulls shed light on migration in the Roman empire

NORTH CAROLINA STATE UNIVERSITY—Skeletal evidence shows that, hundreds of years after the Roman Republic conquered most of the Mediterranean world, coastal communities in what is now south and central Italy still bore distinct physical differences to one another – though the same could not be said of the area around Rome itself.

Using state-of-the-art forensic techniques, anthropologists from North Carolina State University and California State University, Sacramento examined skulls from three imperial Roman cemeteries: 27 skulls from Isola Sacra, on the coast of central Italy; 26 from Velia, on the coast of southern Italy; and 20 from Castel Malnome, on the outskirts of the city of Rome. The remains at the cemeteries in both Isola Sacra and Velia belonged to middle-class merchants and tradesmen, while those from Castel Malnome belonged to manual laborers. All of the remains date from between the first and third centuries A.D.

The researchers took measurements of 25 specific points on each skull using a “digitizer,” which is basically an electronic stylus that records the coordinates of each point. This data allowed them to perform shape analysis on the skulls, relying on “geometric morphometrics” — a field of study that characterizes and assesses biological forms.

“We found that there were significant cranial differences between the coastal communities, even though they had comparable populations in terms of class and employment,” says Ann Ross, a professor of anthropology at NC State and co-author of a paper on the work.

“We think this is likely due to the fact that the area around Velia had a large Greek population, rather than an indigenous one,” says Samantha Hens, a professor of biological anthropology at Sacramento State and lead author of the paper.

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 A student uses a digitizer to record geometric morphometric sites on a skull. Credit: NC State University

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 A map showing the locations of the three imperial Roman cemeteries in relation to modern day Rome and Naples. Credit: Samantha Hens, California State University, Sacramento

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In addition, the skulls from Castel Malnome had more in common with both coastal sites than the coastal sites had with each other.

“This likely highlights the heterogeneity of the population near Rome, and the influx of freed slaves and low-paid workers needed for manual labor in that area,” Hens says.

“Researchers have used many techniques — from linguistics to dental remains – to shed light on how various peoples moved through the Roman Republic and the Roman Empire,” Ross says. “But this is the first study we know of in which anyone has used geometric morphometrics to evaluate imperial Roman remains.

“That’s important because geometric morphometrics offers several advantages,” Ross says. “It includes all geometric information in three-dimensional space rather than statistical space, it provides more biological information, and it allows for pictorial visualization rather than just lists of measurements.”

“The patterns of similarities and differences that we see help us to reconstruct past population relationships,” Hens says. “Additionally, these methods allow us to identify where the shape change is occurring on the skull, for example, in the face, or braincase, which gives us a view into what these people actually looked like.”

Article Source: North Carolina State University news release

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winter2016ebookcover

This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

 

 

 

Ancient DNA reveals role of Near East and Egypt in cat domestication

KU LEUVEN—DNA found at archaeological sites reveals that the origins of our domestic cat are in the Near East and ancient Egypt. Cats were domesticated by the first farmers some 10,000 years ago. They later spread across Europe and other parts of the world via the trade hub of Egypt. The DNA analysis also revealed that most of these ancient cats had stripes: spotted cats were uncommon until the Middle Ages.

Five subspecies of the wildcat Felis silvestris are known today. All skeletons look exactly alike and are indistinguishable from that of our domestic cat. As a result, it’s impossible to see with the naked eye which of these subspecies was domesticated in a distant past. Paleogeneticist Claudio Ottoni and his colleagues from KU Leuven (University of Leuven) and the Royal Belgian Institute of Natural Sciences set out to look for the answer in the genetic code. They used the DNA from bones, teeth, skin, and hair of over 200 cats found at archaeological sites in the Near East, Africa, and Europe. These remains were between 100 and 9,000 years old.

The DNA analysis revealed that all domesticated cats descend from the African wildcat or Felis silvestris lybica, a wildcat subspecies found in North Africa and the Near East. Cats were domesticated some 10,000 years ago by the first farmers in the Near East. The first agricultural settlements probably attracted wildcats because they were rife with rodents. The farmers welcomed the wildcats as they kept the stocks of cereal grain free from vermin. Over time, man and animal grew closer, and selection based on behaviour eventually led to the domestication of the wildcat.

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Several cats buried in a 6000-year-old pit in Hierakonpolis, Egypt. © Hierakonpolis Expedition

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 A cat buried in a 6000-year-old context in Hierakonpolis, Egypt. © Hierakonpolis Expedition

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Migrating farmers took the domesticated cat with them. At a later stage, the cats also spread across Europe and elsewhere via the trade hub of Egypt. Used to fight vermin on Egyptian trade ships, the cats travelled to large parts of South West Asia, Africa, and Europe. Bones of cats with an Egyptian signature have even been found at Viking sites near the Baltic Sea.

“It’s still unclear, however, whether the Egyptian domestic cat descends from cats imported from the Near East or whether a separate, second domestication took place in Egypt,” says researcher Claudio Ottoni. “Further research will have to show.” The scientists were also able to determine the coat pattern based on the DNA of the old cat bones and mummies. They found that the striped cat was much more common in ancient times. This is also illustrated by Egyptian murals: they always depict striped cats. The blotched pattern did not become common until the Middle Ages.

Article Source: Ku Leuven news release

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The study was led by the Centre for Archaeological Sciences at KU Leuven (University of Leuven), Belgium, and by the Royal Belgian Institute of Natural Sciences, in collaboration with the genetics lab at the Institut Jacques Monod in Paris and dozens of specialists from around the world who provided cat bones retrieved from archaeological sites.

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winter2016ebookcover

 This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

  

 

 

 

 

Multispectral imaging reveals ancient Hebrew inscription undetected for over 50 years

AMERICAN FRIENDS OF TEL AVIV UNIVERSITY—Using advanced imaging technology, Tel Aviv University researchers have discovered a hitherto invisible inscription on the back of a pottery shard that has been on display at The Israel Museum for more than 50 years.

The ostracon (ink-inscribed pottery shard) was first found in poor condition in 1965 at the desert fortress of Arad. It dates back to ca. 600 BCE, the eve of the kingdom of Judah’s destruction by Nebuchadnezzar. The inscription on its front side, opening with a blessing by Yahweh, discusses money transfers and has been studied by archaeologists and biblical scholars alike.

“While its front side has been thoroughly studied, its back was considered blank,” said Arie Shaus of TAU’s Department of Applied Mathematics, one of the principal investigators of the study published today in PLOS ONE. The study can be found at http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0178400.

“Using multispectral imaging to acquire a set of images, Michael Cordonsky of TAU’s School of Physics noticed several marks on the ostracon’s reverse side. To our surprise, three new lines of text were revealed,” Shaus said.

The researchers were able to decipher 50 characters, comprising 17 words, on the back of the ostracon. “The content of the reverse side implies it is a continuation of the text on the front side,” said Shira Faigenbaum-Golovin of TAU’s Department of Applied Mathematics, another principal investigator of the study.

The multidisciplinary research was conducted by Faigenbaum-Golovin, Shaus, and Barak Sober, all doctoral students in TAU’s Department of Applied Mathematics, and by Dr. Anat Mendel-Geberovich of TAU’s Department of Archaeology. Additional collaborators include Prof. David Levin and Prof. Eli Turkel of TAU’s Department of Applied Mathematics, Prof. Benjamin Sass of TAU’s Department of Archaeology, as well as Michael Cordonsky and Prof. Murray Moinester of TAU’s School of Physics. The research team was co-led by Prof. Eli Piasetzky of TAU’s School of Physics and Prof. Israel Finkelstein of TAU’s Department of Archaeology.

“Using multispectral imaging, we were also able to significantly improve the reading of the front side, adding four ‘new’ lines,” said Sober.

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ostracon

 Above: The inscription found on reverse of ostraca at Arad. Credit: American Friends of Tel Aviv University (AFTAU)

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A request for more wine

“Tel Arad was a military outpost—a fortress at the southern border of the kingdom of Judah—and was populated by 20 to 30 soldiers,” said Dr. Mendel-Geberovich. “Most of the ostraca unearthed at Arad are dated to a short time span during the last stage of the fortress’s history, on the eve of the kingdom’s destruction in 586 BCE by Nebuchadnezzar. Many of these inscriptions are addressed to Elyashiv, the quartermaster of the fortress. They deal with the logistics of the outpost, such as the supply of flour, wine, and oil to subordinate units.”

“The new inscription begins with a request for wine, as well as a guarantee for assistance if the addressee has any requests of his own,” said Shaus. “It concludes with a request for the provision of a certain commodity to an unnamed person, and a note regarding a ‘bath,’ an ancient measurement of wine carried by a man named Ge’alyahu.”

“The newly revealed inscription features an administrative text, like most of the Arad inscriptions,” said Dr. Mendel-Geberovich. “Its importance lies in the fact that each new line, word, and even a single sign is a precious addition to what we know about the First Temple period.”

“On a larger scale, our discovery stresses the importance of multispectral imaging to the documentation of ostraca,” said Faigenbaum-Golovin. “It’s daunting to think how many inscriptions, invisible to the naked eye, have been disposed of during excavations.”

“This is ongoing research,” concluded Sober. “We have at our disposal several additional alterations and expansions of known First Temple-period ostraca. Hence, the future may hold additional surprises.”

Article Source: American Friends of Tel Aviv University news release

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winter2016ebookcover

This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

 

 

 

Ancient Jerusalem tower younger than thought

WEIZMANN INSTITUTE OF SCIENCE—Gihon Spring, just downhill from the ancient city of Jerusalem, was crucial to the survival of its inhabitants, and archaeologists had uncovered the remains of a massive stone tower built to guard this vital water supply. Based on pottery and other regional findings, the archaeologists had originally assigned it a date of 1,700 BCE. But new research conducted at the Weizmann Institute of Science provides conclusive evidence that the stones at the base of the tower were laid nearly 1,000 years later. Among other things, the new results highlight the contribution of advanced scientific dating methods to understanding the history of the region.

Dr. Elisabetta Boaretto, Head of the Weizmann Institute of Science’s D-REAMS Radiocarbon Dating Laboratory and track leader within the Max Planck-Weizmann Center for Integrative Archaeology and Anthropology, had the opportunity to date the tower as part of her ongoing cooperative research projects with the Israel Antiquity Authority (IAA). Since 2012, Dr. Joe Uziel and Nahshon Szanton of the IAA, in continuing the excavations around the tower, have discovered that the base of the tower was not built on bedrock. “The boulders in the tower’s base, in and of themselves,” explains Boaretto, “do not yield any information other than the fact that whoever placed them there had the ability to maneuver such heavy stones. But underneath the boulders, the soil exhibits the layers typical of archaeological strata, and these can reveal the latest date that the site was occupied before the tower was built.”

The unique and methodical approach of the D-REAMS lab team begins by planning and executing the field sampling and excavation from the beginning – together with the site archaeologists. “Getting one’s hands dirty is all part of building a reliable chronology,” says Boaretto. During field work conducted with the archaeologists and later in her laboratory with postdoctoral fellow Dr. Johanna Regev, Boaretto identified several clearly-delineated strata. From these, they carefully collected remains of charcoal, seeds and bones – organic matter that can be definitively dated through radiocarbon dating.

The first dating was conducted on mid-to-lower levels of sediment, and these dates indeed agreed with those originally proposed. “But there was another half-meter of sediment between the material we had dated and the large cornerstone,” says Boaretto. “At a glance, we thought this might represent another few hundred years before the stone was placed.” The presence of separate, sequential layers, which they identified using microarchaeological tools and radiocarbon dating, enabled the researchers to attach dates to the strata just below the tower.

The radiocarbon dating method is based on counting the radioactive 14C atoms in a sample. These carbon atoms are found in all living things in a small, but stable ratio to that of regular carbon, and they begin to decay at a known rate after death. At the Weizmann Institute of Science, the count of 14C atoms in a sample is performed with an accelerator, so it can return highly accurate results on something as small as a seed.

The date revealed by this radiocarbon dating was sometime around 800-900 BCE. That is nearly 1,000 years later than thought, and it moves the building of the tower to another historical period entirely, from the Middle Bronze Age to the Iron Age.

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Recently uncovered remains of a massive stone tower built to guard Gihon Spring—a vital water supply just downhill from the ancient city of Jerusalem. Cedit: Weizmann Institute of Science

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To complete the study, Boaretto and her team asked whether any explanation could allow the tower to have been built earlier – repairs, for example – but the presence of the large boulders sitting above layers of earth containing the remains of everyday activities would appear to be fairly conclusive evidence that the later date is the correct one. Boaretto: “The conclusive, scientific dating of this massive tower, placing it in a later era than was presumed, will have repercussions for other attempts to date construction and occupation in ancient Jerusalem.”

Article Source: Weizmann Institute of Science news release

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Dr. Elisabetta Boaretto’s research is supported by the Dangoor Accelerator Mass Spectrometer Laboratory.

The Weizmann Institute of Science in Rehovot, Israel, is one of the world’s top-ranking multidisciplinary research institutions. Noted for its wide-ranging exploration of the natural and exact sciences, the Institute is home to scientists, students, technicians and supporting staff. Institute research efforts include the search for new ways of fighting disease and hunger, examining leading questions in mathematics and computer science, probing the physics of matter and the universe, creating novel materials and developing new strategies for protecting the environment.

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The Lost Cities of Ethiopia

Samuel C. Walker was born and raised in East Africa and subsequently spent fifteen years in the Middle East including Yemen, Israel/West Bank, Jordan, Sudan, and Egypt. He currently is working in Ethiopia. He holds two Bachelor’s degrees; Religious Studies – Anthropology, and Natural Sciences & History, and two Master’s degrees; History and education (Western Oregon U) and Archaeology & Heritage Mgmt. (University of Leicester). For seven years he lived in the Micronesian Pacific islands conducting research on climate change, ecologies, and conducting research as lead field supervisory archaeologist for US Navy projects for EIS and cultural resource management. Since 2013, Walker has worked in Ethiopia, including establishing a Master’s program in Archaeology for Heritage Management and serving as lead field and supervisory archaeologist. As part of his research dissertation, he is working on creating graduate level field-intensive Cultural Resource Management teams (CRMT) specifically to address the critical needs of archaeological site identification, comprehensive field survey, data recovery and excavation field management skills, laboratory analysis and cultural material conservation, and presentation and display of these rich tangible and intangible heritages.

The Fra Mauro map (mid-15th century) provides a rare lens into the geographical worldview and mental landscapes of the medieval world. By connecting identifiable geography from this map to historical place names, we have begun to discover lost, medieval cities in Ethiopia. Scholars long considered Africa the least reliable portion of the Fra Mauro map. It is the contention of this article, however, that implementing a more Afro-Arabian geographical framework resolves apparent idiosyncrasies to the western mind, revealing a compelling story long hidden in plain view. Untangling the region of Abassia Ethyopia requires interpreting the physical features and polities transposed upon the map through the worldview of the informants from these respective regions: emissaries, pilgrims, merchants, etc. Our hypothesis asserts we can translate images of the medieval geography through the centuries to locate archaeological features. Using remote-sensing in conjunction with other early maps, we identified sites of long-lost cities such as Sadai and Tegulet, and via field-walking, have confirmed substantial architecture and period-specific cultural materials. Our continuing research traces patterns of land-use across landscapes, identifying phases of occupation and trade networks during Ethiopia’s poorly understood medieval periods. Having now created a template for interpreting this map, we expect to be able to read and understand other regions in Africa. Indeed, the Fra Mauro map has proven more than the fanciful rendering of a medieval mind. Rather, it is the “before” snapshot of a Mappa Mundi, that literally turned our view of the world upside down within a single generation, and eventually expanding it by four new continents.  

The Fra Mauro Map: An Icon of Medieval Mental Landscapes at a Pivotal Point in History

Maps serve as temporal, mental constructs of any given age. As graphic symbols for visualizing the world, each literally represents a product or icon of one’s respective worldview, in essence, the world made in our image. Medieval maps served very different functions than our current, science-based demands. Medieval navigators and, therefore cartographers, focused primarily upon safe passage, trade networks, and political alliances. Most maps contemporary with Fra Mauro depended wholly upon the Ptolemaic model, or were tied to a cosmography of Christ as Pantocrator reigning supremely from his heavenly throne (See Fig 2) (Falchetta, pp 57)

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fraumaurofig1

 This Ptolemaic map is a later rendering showing the Indian Ocean as an inland lake. https://upload.wikimedia.org/wikipedia/commons/f/f0/Claudius_Ptolemy-_The_World.jpg

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Fig 2 - Pantocrator

Fig. 2 – http://www.bl.uk/learning/timeline/item99816.html

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In sharp contrast, the Fra Mauro map diverges from this mindset, using an empirical, verifiable framework, gleaned from existing accounts and charts. Most Christian or western maps from this period centered around Jerusalem with east at the top. Muslim maps traditionally were south-oriented given most medieval Muslims lived north of Mecca, the center or qiblah for pilgrimage and prayer. As a masterpiece of medieval cartography, the mid-15th century Fra Mauro map provides a rare lens into the geographical mindset and mental landscapes of one of the most critical transitions in Mediterranean history (Cattaneo, pp.123). Also southern-oriented, the genius of this Venetian monk in collecting maps and compiling written and oral primary accounts of travelers, merchants, pilgrims, and emissaries, creates a remarkably accurate planisphere representation of our world. Fra Mauro sketches his map not simply to expedite navigation or exploration, rather, to lay the foundations for a new world order.

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Fig 3 - NASA

Fig. 3 – Note: this image is inverted from our typical perspective with south at the top. Europe and the Mediterranean, on the right, are more clearly defined –  https://landsat.gsfc.nasa.gov/fra-mauros-mappamundi/

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In the contentious contexts of the mid-15th century, this map lays out a “Who’s who” of the medieval world. Like an intricate, medieval Risk gameboard, the cartographer’s draftings of geographical features, regional and city names, and trade routes, across his mappa mundi, identifies possible alliances alongside real and potential threats. Anything Christian, even the thinnest web of connection, is emphasized. Every city stands fortified, bounded by copious notes on regions, rulers, rivers, and where gold, spices, pearls, and fresh water can be found. Unnamed walled villages (casali) bristle across landscapes. Mountains feature prominently throughout. Passes or rivers clearly bisect the landscapes, demarcating regions and polities. Ships, identifiable with the contemporary, dominate traders, ply their respective seas. 

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Fig 4 - FM Ships

 Fig. 4 – Detailed excerpt of Indian Ocean shipping and southern India from the Fra Mauro Map. Image courtesy Marco Vigano

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Mental Landscapes of Medieval Africa  

With the sacking of Constantinople in 1453, the migration of Byzantine refugees to Europe swells to a flood. From this pinnacle of learning come architects, artists, engineers, cartographers, and scholars, carrying not only tools of their trade, but an alternate world view framed by principles of an empirical perspective. Like midwives, these intelligentsia from around the world, including the far-too-often, underrepresented regions of Africa, help birth a new scientism in Europe, of which Fra Mauro is a product.

Modern scholarship has long considered Africa the least reliable portion of the Fra Mauro map (Falchetta, pp.94). It is the contention of this article, however, that by exploring and implementing a more Afro-Arabian geographical perception, apparent idiosyncrasies to the modern mind resolve, revealing a compelling story long hidden in plain view. A re-assessment of the geographical and political representations on the African continent, especially the various Ethyopias and the “island” of Diab, demands we appreciate and honor the vantage-point and geographical knowledge of Fra Mauro’s respective African informants.

Fra Mauro’s Ethiopian, Arabian, and East African informants would undoubtedly exhibit an abundance of caution along with a fundamentally diverse worldview in transmitting geographical information. Medieval Ethyopia Abassia’s reticence in divulging too much information is rooted in a preservation mentality, seven centuries in the making. Surrounded by adversaries, the Christian kingdom of Abyssinia has long maintained its near-monastic solitude, safeguarding its identity as the authentic church. The myths and legends of the Kebra Negast, known in English as the Glory of the Kings, grow deeper, entrenched in the Ethiopian psyche. Claiming direct descendancy from Israel’s King Solomon via the Queen of Sheba, along with St. Phillip’s conversion of Queen Candace’s eunuch as the first Ethiopian Christian, Abyssinia visualizes itself as the new, chosen-people of God. Comparatively, what this younger, diaphysite, western church might proffer appears inconsequential.

During the early medieval period, it is the west that initially courts Africa. For three centuries, the legends of the famed Prester John have fermented in the medieval mind, intoxicating the courts of Europe with stories of wealth, military power, and a biblical, spiritual lineage second only to Christ. By the mid-14th century, the futile search for this monarch in Asia turns its focus to Africa, where, due to Ethiopia’s intermediary trading position, exporting trade goods from India to Europe, Ethiopian kings are often misidentified as kings of India (Van den Bosch, 2007, pp.22). Fra Mauro inscribes references to the legendary king, Prester John, across Abassia, even to mentioning his capital and the number of kingdoms under his Lordship.

In contrast, embassies from Abyssinia-Ethiopia visiting Venice in the 1430’s, and Florence in 1441, seek relics and icons over mere political or religious alliances (Falchetta, pp.98; Siebold, Monograph #249). One can easily imagine various diplomats and our monks plying these illustrious pilgrims with wine and questions regarding geography, political boundaries, trade networks, and allegiances. Over the following decade, further information is gleaned, eventually making its way onto a map that will literally turn the way we imagine our world upside down.

The political and geographical information on Abassia, or Abyssinia-Ethiopia, is disproportionately represented in relation to other parts of Africa for two primary reasons. First, given their respective Christian ties, Fra Mauro and his colleagues enjoy far more contact and therefore, primary accounts from informants of these regions than from southern, central, or western African communities. Second, informants upon the Swahili Coast, in the 13th – 14th centuries called the Daybuli, consisting of African trade cities established by Muslim-Arab conquerors from India (Davidson,1967, pp.99), appear reticent to divulge information of their particular region to a competing, foreign, non-Islamic power. Understanding these factors proved essential in reading and unlocking the secrets of what appears an arbitrary, even nonsensical southern African geography.  

Fra Muaro’s World Within a Gilded Frame 

Fra Mauro defends the reliability of his African primary sources as justification for expanding upon Ptolemy’s terra incognita. Inscription number *98 regarding these regions informs our scholarship, “Because to some it will appear as a novelty that I should speak of these southern parts, which were almost unknown to the Ancients, I will reply that this entire drawing, from Sayto (Assiut, Egypt) upwards, I have had from those who were born there. These people were clerics who, with their own hands, drew for me these provinces and cites and rivers and mountains with their names; all these things I have not been able to put in due order for lack of space” (Falchetta, pps. 210-203).

Fra Mauro’s paramount intent is reliability and authenticity to an expanding body of knowledge. Yet bound by the parameters of his parchment and wishing to be faithful to his latitudinal and longitudinal constraints, he states, “I do not think that I am being unfaithful to Ptolemy if I do not follow his Cosmography, because if I had wanted to observe his meridians, parallels, and degrees, I would have had to omit many provinces within the known part of the world that Ptolemy does not give: everywhere in his account, but especially to the north and south, he gives areas as terra incognita because in his day they were not known” (*2892 – Falchetta, pp. 711).

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Fig 5 - FM Mappa mundi

Fig. 5 – Note: This map is inverted from its original for ease of reading. The enclosure indicates direct governance according to Fra Mauro’s informants. Other inscriptions indicate tributary allegiances across the continent.  https://upload.wikimedia.org/wikipedia/commons/1/1b/FraMauroDetailedMap.jpg

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For reasons stated above, the further south the cartographer ventures, the less information is available. Fra Mauro defends himself against claims that he does not follow Ptolemy, by paraphrasing the ancient geographer, “one can only speak correctly of regions that are visited continually; of those which are less frequented no-one should think himself capable of speaking with equal accuracy.” Fra Mauro continues, “So I say that in my own day I have been careful to verify the text by practical experience, investigating for many years and frequenting persons worthy of faith, who have seen with their own eyes I faithfully report above” (ibid, pp. 701). Fra Mauro evidently feels justified to move beyond the constraints of existing scholastic mindsets. 

Our current research has likewise benefited from this vantage point, aided by an Afrocentric, indigenous frame of reference and many newly translated manuscripts from these regions and periods. We too have attempted to carefully “verify the text by practical experience” as we continue to investigate on the ground what we have seen with our own eyes. Our investigation has confirmed the surprising completeness and accuracy of Fra Mauro’s research.  In more southern regions, we accounted for cultural, economic, and political factors while recognizing a necessary shift in orientation, imposed by the limit of his parchment space. 

Approaching the upper, southern margins of his parchment with regions yet to be included, the cartographer is forced to sketch these further reaches of Africa via shifting everything east. Recognizing the inevitable inaccuracies in his degrees in longitude, he chooses rather to favor completeness. We will come back to the operative words “in due order for lack of space.” 

Translating Fra Mauro: a Cartographic Rosetta Stone

The nature of most medieval maps dictates we interpret each through a broader Ptolemaic or ecclesiastical metanarrative. In contrast, Fra Mauro’s golden frame encompasses the medieval world within the broader, regional, mental-constructs laid out above. Armed with this perspective, our team began reading our current Ethiopian landscapes through the flat iconography portrayed in the early renaissance style of Fra Mauro. Rivers and mountains of varying hues designate the major physical features enfolding respective medieval provinces and kingdoms. Five centuries on, this geography still broadly defines Ethiopia’s current regions and states, distinguished by factors of language, cultures, and religious expressions. Cities within these regions, illustrated as turreted towns, lay along trade routes.

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Fig 6 - FM Geo locations

Fig. 6 – Excerpt of Fra Mauro of Ethyopia Abbasia showing geographical and political features. 

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Our initial task in untangling the provinces of Abassia Ethyopia, writ large across most of central and east Africa, required recognition of identifiable geographical features and polities transposed upon the map by reputable Afro-centric clerics, scholars, and representatives of these regions. Starting from Egypt’s first cataract at Sua (Aswan) near Nuba or Nubi, we traced mountain ridges and rivers up to the southern reaches of Abyssinian hegemony referred to as Ethyopia quasi deserta e montuosa. An arbitrary river with a line of forest on either side demarcates regions south of direct Ethiopic governance. Within Abyssinia-Ethiopia, discernable rivers, mountains, kingdoms (Regnos), or provinces and cities, include Aksum in Tigray (hacsum, tegre) and the four tributaries of the Tekeze river streaming from the mountain of Roha. The map clearly defines Lake Tana and Abay, Ethiopia’s name for the Blue Nile. Further south, the geographical features of the Awash river (fl. Ausai) with Mt. Zukwala and lake Zwai (xiauala ouer xiquala & lago zuua) circumscribe Prester John’s suzerainty of African Christendom under the oversight of the Metropolitan of the Alexandrian Coptic church.   

Having oriented ourselves, we then attempted to “translate” the Fra Mauro map, much as an epigrapher would an ancient inscription. Like a cartographic Rosetta Stone, moving from the known to the unknown, we collected images of subsequent medieval maps in an attempt to decipher the conceptual content and mental landscapes of represented physical geography through successive shifts in political, religious, or economic paradigms. Throughout, our noted geographical features remained constant. Topographies represented on medieval maps, such as lakes, rivers, and mountains, evolved into discernable landmarks and observable landscapes on modern maps. Slowly, like a developing embryo, we witnessed these morph from medieval icons into recognizable place names of regions, cities, or trade routes. 

Our final test sought to read our current landscapes back through the centuries and interpret the physical geography seen and described by mid-fifteenth century Ethiopian monks and emissaries to a Venetian monk who then transcribed them on a two-meter piece of parchment thousands of kilometers and a few cultures and languages removed. To crack the code of the Fra Mauro map in regard to our regions, to say nothing of south and central Africa, we had to try. 

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Fig 7 - Munster

Fig. 7 – Munster, 1554 – https://libweb5.princeton.edu/visual_materials/maps/websites/africa/maps-continent/1554munster.jpg

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Our first hurdle required we demythologize the majority of maps from the subsequent centuries which retained much of the fanciful Ptolemaic narratives and mythical topography of Africa’s interior, including cyclops, fabled beasts, the Mountains of the Moon, and of course, Prester John. Ironically, these maps were to provide invaluable clues in addressing one of the major debates related to the interpretation of the Fra Mauro map and Africa, that of the “island” of Diab

The second hurdle involved geopolitical ramifications wrought by decades of war in the middle of the 16th century. Regional conflicts left desolation to both sides. Many of the main population centers and trade routes depicted on the Fra Mauro map simply ceased to exist. Where once thriving, urban centers dominated, sparse villages dotted the landscapes. In the highlands, new population centers with new names replaced anything old. By the end of the 17th century, the memory of the raging conflicts between the Islamic forces of Imam Ahmad, known as Ahmad Gran or the left-handed, and the variably named Christian kingdom of Shoa, Xoa, or Sewa, had cooled to an uneasy, smoldering detente. Yet these wars had prompted mass migrations of populations followed by the influx of new cultures and languages (Newman, pp. 99). A shifting of place-memory displaced most previously associated oral traditions. Alternate land use and new agricultural practices swallowed up previous occupational contexts. Most associated religious structures, along with their treasures of relics and manuscripts, also perished, usually via fire. The loss of contexts with which to even begin to identify lost cities was exacerbated by a paucity of scholarship related to these eras. Undaunted, we pressed on.

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Fig 8 - Coronelli

Fig. 8 – Coronelli, 1690 – https://upload.wikimedia.org/wikipedia/commons/3/3f/1690_Coronelli_Map_of_Ethiopia%2C_Abyssinia%2C_and_the_Source_of_the_Blue_Nile_-_Geographicus_-_Abissinia-coronelli-1690.jpg

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The earliest map that proved critical in framing the rugged landscapes of Abyssinia’s identifiable mountain ranges, passes, and rivers, along with cities in associated regions, was the 1690 Coronelli map, also from Venice. This primary source provided a post-medieval perspective on our tangible topography. The mountains that had defined medieval political states continued to limit expansion. Like words borrowed from an archaic vocabulary, Coronelli’s mountains helped us translate a matching political narrative, back to Fra Mauro’s century-and-half-old geography, and its original African mindset. Corresponding geographical features provided our first key to unlocking locations of long-lost cities on the Fra Mauro map. 

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Fig 9 - Cary

Fig. 9 – Cary Arabia and Abyssinia map, 1811 – http://www.raremaps.com/gallery/enlarge/33908

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The 1811 Cary map provided us our next series of clues. With each century, the earlier artistic mythologies gave way to a more realistic physical geography. Regions and political entities remained bounded by the strictures of observable landscapes. Connecting rivers or mountains on an 1811 map to rivers and mountains etched on a 1690’s map, we translated back to the 1450’s map. Thus, we were able to “read” the conceptualized landscapes through time and, more importantly, through a medieval mind’s eye. 

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Fig 10 - Pinkerton

Fig. 10 – Section of Pinkerton, 1818 – https://commons.wikimedia.org/wiki/File:1818_Pinkerton_Map_of_Nubia,_Sudan_and_Abyssinia_-_Geographicus_-_Abyssinia-pinkerton-1818.jpg

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Pinkerton’s 1818 Abyssinia & Nubia map traces the upper Nile. The odd and inaccurate orientation of the mountains of Shoa, however, caught my eye. The cartographer appeared to have regressed to an earlier time where mountains could arbitrarily be drawn upon a map for aesthetic purposes rather than indicators of true landforms. This led me to reassess Pinkerton’s abstractions of depicted mountains surrounding Ifat, Fatagar and southern Abassia, and subsequently to reconsider and weigh analogous geographical or conceptual biases all the way back to the Fra Mauro map. 

Since Pinkerton’s focus is hydrology, his mountains appear drawn as merely presumed necessary elements to funnel water from the highlands to the Nile. Fra Mauro’s emphasis, on the other hand, frames the boundaries of regional hegemonies and trade networks of an ancient and wealthy kingdom determining potential alliances, trade, and partnerships for the future. Whereas Pinkerton’s mountains seem practically superfluous, Fra Mauro’s mountains represent physical barriers to commerce or conquest, and inviolable boundaries between friend and foe.

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Fig 10 - Pinkerton

Fig. 11 -Kautx, 1868 – https://www.bigstockphoto.com/image-26737070/stock-photo-old-map-of-abyssinia-with-red-sea-region-map-insert-created-by-kautx-and-gillot,-published-on-l-illustration,-journal-universel,-paris,-1868

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The final piece to our puzzle came with the 1868 Kautx map showing substantial elements of geography recognizable to a modern map reader. Many of the details on this map are sourced in an episodeall but forgotten episode in the west: the British Napier Expedition against the Emperor Tewodros in 1868 (Sharf). For Ethiopians, however, this event defines the critical juncture of Ethiopia’s emergence into the modern era. On Kautx’s map, the political names and physical-geographical features we previously observed, had gestated from fanciful images, into recognizable place names of cities, lakes, rivers, and mountains. Through four centuries, our maps, like Ethiopia itself, had entered the modern era.  

A Tale of Two Lost Cities: From Google Earth to Artifacts on the Ground  

Now came the challenge to test our hypothesis. Could we physically locate and discover a medieval site listed on the Fra Mauro map, but long-forgotten and lost for centuries? Could we read the physical geography of our current landscapes and then interpret back through the centuries the actual landscapes as described by mid-fifteenth century Ethiopian monks and emissaries to a Venetian monk? To crack the code of the Fra Mauro map pertaining to Abassia and south and central Africa—again, we had to try.

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Fig 12 - FM South with Names

Fig. 12 – Southern Abassia section of the Fra Mauro map indicating toponomy and geographical features – Note: The southern orientation means that south is above.  

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We selected an undiscovered site within the southern reaches of Abbasia called Sadai or Saba. It is listed under Regno de Saba (the Kingdom of Sheba and, therefore, of Prester John), as the residence of the Metropolitan sent by the Coptic Patriarch in Alexandria (Questa el legato euicario del patarcha). It lies on the west slope of a mountain called Ambanegst and south of a mountain range running east-west called the Entoto-Amba Range. It lies northeast of the Awash River (fl. Auasi), and west of the 3,000-meter volcano still called Mt. Zokwala (Xiquala). The only large mountain fitting the description for Ambanegest is now called Menagesha or Mt. Wechecha, with a small mountain adjacent where, until recently, emperors were crowned. The name Ambanegst loosely translates to “the uplift or mountain of kings.” East of this mountain, the still unidentified capital city of Barara is indicated as the principal residence of Prester John. We have a candidate for this site, but it remains off limits. Note: the map above is inverted from our normal orientation.

Fra Mauro illustrates Sadai hugging the western slope of Mt. Ambanegst. I searched Google Earth for locations fitting our parameters. And there it was: large, circular fortifications upon a knoll overlooking the entire western and much of the southern frontier. Clear evidence of architectural features accompanied by crop marks indicated possible occupation over an area extending several kilometers square. Sadai had been one of the first cities destroyed in 1530 by the marauding forces of Imam Ahmad Gran. None of our subsequent maps contain any mention of this ecclesiastical capital. Since we had no possibility of cross-referencing its location, we elected to physically visit the site and hopefully confirm what we were seeing on images.

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Fig 13 - GE Sadai

Fig. 13 – Google Earth image with identified sites associated with Sadai – on the west slopes of Mt. Menagesha/Wechecha or Ambanegst  

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Managing a team from the College of Development Studies at Addis Ababa University, we visited the southern-most identified features, and walked north. Cultural material and architecture were immediately evident upon our transects across an area of several hundred meters. Thinking like medieval strategists, we moved from high-point to high-point, noting walls of ashlar masonry (carved stones), fieldstones, even evidence of earthen bulwarks and moats or ditches. Every footfall evidenced urban habitation.

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Fig 14 - Sadai Pics

Fig. 14 – Sadai – Architecture and Cultural Material – (Photo credit – SCW)

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Eventually, we identified three substantial occupational areas and a possible fourth distinct fortification site. Each contains dense period-specific cultural material and architecture, with corresponding monumental walls containing varying stages or phases of occupation. Immediately south upon an isolated hill, lies a possibly related church complex where we discovered a series of pre-Christian funerary monuments with inscribed, monumental stones, deliberately toppled stone stelae, and a series of well-built, rectangular, architectural elements. The current church sits atop a much larger, older foundation. Medieval pottery remains in-situ in cuts along the road to the church.

Local farmers and a church deacon gave us various renditions of stories related to the sites, referring to the areas south as Sada, or north as Sabu, similar to Fra Mauro’s Saba. The sites upon the forested slopes they simply refer to as “the walls.” In asking for a translation, we were told Sadai is the local word for standing stones, or stelae, precisely like the desecrated ones identified in the ancient, pre-Christian cemetery. This was our Eureka moment; a previously un-identified site, fitting the descriptions on the Fra Mauro map, containing substantial architecture and quantities of medieval cultural material spread over an eight kilometer transect. Additionally, an ecclesiastical capital required an adjacent major church. The small modern church is built upon the substantial ruins of a much older and larger church. 

Convinced now of the tenability of our hypotheses, I returned to our collections of historical and modern maps. I sought hints to validate this as our candidate. Upon each map, I traced feasible trade routes, constraining topographical features, and traveling distances between identified sites and settlements against associated geographical landmarks. I evaluated geology and soil types, rainfall patterns, hydrological data, and vegetation potentials in relation to relief maps. All these data affirmed, this must be Sadai

This process of discovering Sadai provided a key whereby we could unlock the location of other lost cities. We followed discernable trends as they echoed repeatedly across the centuries. Specific physical features consistently restricted the parameters of trade into and out of the highlands. At strategic choke points, we found ruins of medieval fortifications. Upon protected, defensible ridges with sufficient access to water and agricultural soils, yet close enough to trade routes, larger population densities were secreted away. 

I then had an epiphany—it was a technological shift in the tools of war that generated the biggest alteration in occupational patterns. The introduction of the musket and cannon in the early 16th century radically altered the parameters of what constituted defensibility. More than any other factor, gunpowder rendered moats and wooden palisades inconsequential. Prior geopolitical criteria determining strategic positions for earlier medieval sites and fortifications became obsolete. Adding this new variable to our equation enabled us to create an invaluable template of where pre-16th century sites should be situated.

As if on cue, another long-lost city, Tegulet, asserted its presence. All place-memory of this medieval capital had vanished. Though it is mentioned throughout the medieval period as the capital of Abyssinia, its location remained a mystery. Utilizing the remote sensing methodology we had devised, and adding our new variable, we narrowed our search to a series of ridges along the Jemma River drainage basin, west of the ancient trade routes and north of Debra Berhan, the new city established by Emperor Zara Yaqob in 1456. 

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Fig 15 - Tegulet GE

Fig. 15 – Tegulet overview – Google Earth images 

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Within less than twenty minutes of scanning images on Google Earth, given our set parameters, we had identified three possible candidates for occupational-sites with probable architectural features. Hopeful, we again ventured forth for a two-day excursion with a team from Addis Ababa University. Driving along the main ridge we had identified, we inquired of locals and were told the place was called Addis Ga, “the New Place.” So, there had been an “old place” somewhere nearby. Another name repeatedly given was Debra Warq, “the Hill of Gold.” A designation of Tegulet was never volunteered. Eventually we inquired, “Have you heard of Tegulet?” Most gave a shrug or mentioned a region at the end of the valley by that name, yet no one knew for sure. A bit disappointed, we continued walking west, descending the narrow ridge toward our main sites, ten and twelve kilometers further west. 

Less than a kilometer in, atop a flat plateau to the north, we discovered our first evidence of architecture comprised of a double coursing of monumental stones. Just beyond, the track dropped along a narrow escarpment, where oddly, a road had been carved into the hillside. At the base of the cliff, the road continued with pavers imbedded in the earth. Three hundred meters further, where the road ascended a slight slope, the bedrock showed evidence of ruts cut by wheeled vehicles over a period of perhaps several centuries. 

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Fig 15 - Tegulet GE

Fig. 16 – The “Royal Road”:  left- ruts; center- the pavers; right- terraced road. Note, the left terrace is modern. (Photo credit – SCW)

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In medieval Ethiopia, there is no record of wheeled vehicles, carts, chariots, or the like. Yet, we followed an obvious, built-road, wide enough for two vehicles with axels 185 cm, to the main site, a full ten kilometers along the ridge. In the fields all along the route, medieval cultural material abounded. When asked, our informants replied that similar things could be found in heavy concentrations further down the ridge.

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Fig 17 - Tegulet Architecture

 Fig. 17 Linear and circular architectural elements at Tegulet – (Photo credit – SCW)

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Two hard days of trekking produced ample proof this was indeed an area containing all the hallmarks of a substantial, if not royal medieval site. We documented five main areas containing dense concentrations of cultural material including pottery fragments, stone tools, cores, flakes, and iron slag. Architectural features including walls, towers, enclosures, and stone alignments, and stone abrading tools used for preparing manuscripts, along with debitage from semi-precious stones such as carnelian, jasper, agate, chalcedony, and corundum – used in jewelry, book covers, and vestments – were also discovered. Many seeps or small springs percolated sufficient water for year-long irrigation and for livestock. Locals retained no place memory of these sites; to them, these old places had simply always existed. 

In reading Burton’s First Footsteps in East Africa for our desk-based analysis, I came across various accounts of Tegulet and the conflicts during the Imam Ahmad Gran wars of the late 1520’s through 40’s. Burton claims that much of the kingdom of Shoa was conquered by Islamic forces in 1528 accompanied by much destruction by fire (Burton, vol. II, pp.5). A century earlier, in 1456, Emperor Zara Yaqob established the new city of Debre Berhan, a mere 23 kilometers south of our proposed research area—this town of course appearing too late for the Fra Mauro map. Additionally, Tegulet is mentioned as the launching point of Emperor Amda Sion (1312-1342) against the lowlands of Adel and Ifat (Burton, vol. II pp.3-4). Emperor Alexander (reigned 1478-1495) was assassinated in Tegulet by his complicit bodyguard, forcing his successors, Naud and Dawit or David III, (died 1540) to live encamped in transient sites supported by the newly arrived Portuguese, engaging in conflicts with Imam Ahmad Gran, (ibid, pp. 6).

Burton relates one final intriguing episode. After the death of Imam Ahmad at the hands of the Portuguese (1543), Emperor Claudius began rebuilding a site known as Debra Warq, “a celebrated (Christian) shrine” destroyed by invading Islamic forces (ibid, pp11). He was killed in battle (1559) before completing the goal. While there are many sites with this name, at the furthest point upon our research ridge sits a ruin called Debra Warq with evidence of an extremely intense fire. The very soil itself still retains a burnt aspect a full five centuries on. Fire-cracked rock and elements of vitrification strew the landscape.

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Fig 18 - Tegulet CM collection

Fig. 18 – Tegulet cultural materials collection: top- flakes and debitage; lower left- abrasion stone for vellum preparation; center- early choppers; right- pottery shards from the main occupation site gathered in an area covering 25 meters. Photo credit – SCW

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These data: historical accounts, the “royal road”, the ubiquitous period-specific cultural material, the monumental architecture, the semi-precious stones, the iron slag, the affects of intense fire, combined as confirming evidence that we had indeed found our site. Our second eureka moment in as many weeks, painted an intriguing, rich narrative lost in history—the forgotten grandeur of a medieval kingdom hidden beneath the contemporary demands of a developing nation. 

These discoveries provide a promising beginning. In our exploration, no day is ever routine. Using our research template, we continue seeking lost cities and ruins strewn across Ethiopia’s magnificent and varied landscapes. Daily we are tantalized with Ethiopia’s secrets. With every footfall, the ground seems to reverberate this noble history’s sheer will to be reborn. Starting from the ground up, our team continues to actively pursue partnerships to enhance our remote sensing and comprehensive field-walking surveys, and bring others along this journey of discovery.

Regarding our regions in Africa then, it appears the Fra Mauro map has proven itself far more than the fanciful rendering of a medieval mind. It is indeed a prescient icon or a Mappa Mundi that launched thousands of ships which literally turned our view of the world upside down within a single generation, eventually expanding it by four new continents. As for us, we have set our sights to disentangle other regions in Ethiopia including the unnamed cities on the southern border of Abassi. We are also well on our way to implementing our methodologies and creating partnerships with hopes we can eventually address the mysteries associated with the “island” of Diab.

A Call for More African-based Research 

Questions inevitably remain pertaining to the poorly understood, yet complex subjects relative to broader ancient and medieval studies. Historical, cultural, and geographical connections across the Southern Red Sea, the Indian Ocean, and the Eastern Mediterranean remind us of the larger and deeper significance Ethiopian history and heritage holds for our world. The mysterious, forgotten past that paint Ethiopia’s landscapes in myriad colors of the impossible, inspire us. The brilliance of these varied, interred ancient and medieval empires whisper their faded splendor to those who still intently seek it. 

Our hope remains that we can initiate a series of broader conversations by creating greater access to the literature from these regions, thus informing and building a network of scholarship which utilizes all the resources available to us. We wish to create partnerships with local scholars across our regions and begin asking new questions, tying our respective medieval periods together beyond the artificial standards of comparisons based upon modern economic or religio-political terms. To better understand our commonality and connectivity beyond modern or traditional boundaries, we must validate and honor indigenous self-perceptions within historical, national, and individual frameworks. All will benefit from the cross-pollination of worldviews originating within this wide-ranging, local historical discourse. 

Through the auspices of St. Mary’s University in Addis Ababa, Ethiopia, we continue our research and discovery. Our goal is to present our finds while working alongside other professionals, institutions, agencies, and governmental organizations to create indigenous capacity and trained scholars to advance research and tourism potential within Ethiopia and the broader region. The next steps require creating desk-based analyses for each site and to conduct comprehensive field-walking surveys to include sub-surface/geophysical survey and remote sensing analysis. Upon completion of this phase, our goal is to preserve, present, and promote these newly discovered cities to the world, opening them up for further research, training, and tourism development.

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For questions, comments, or clarifications, please contact the author at:  [email protected]

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Bibliography  

-Brotton, J. ed. Great Maps – The World’s Masterpieces Explored and Explained, DK Publishing, 2014.

-Burton, R. F. First Footsteps in East Africa or An Exploration of Harar, Dover Publications, Inc. 1987.

-Cattaneo, A. Terrarum Orbis 8 – Fra Mauro’s Mappa Mundi and Fifteenth-Century Venice, ­ Brepolis, 2011.

-Davidson, B. The Growth of African Civilizations- East and Central Africato the Late Nineteenth Century, Longmans, 1967.

-Davidson, B. The Lost Cities of Africa, An Atlantic Monthly Press Book – Little, Brown, and Co. 1959.

-Dudd. R. E. The Adventures of Ibn Battuta – A Muslim Traveler of the 14th Century, University of California Press, 1989.

-Edson, E. The World Map 1300-1492 The Persistence of Tradition and Tranformation, The Johns Hopkins Univeristy Press, 2007.

-Falchetta, P. Terrarum Orbis 5 – Fra Mauro’s World Map, With a Commentary and Translation of the Inscriptions, Brepolis, 2006.

-Hibbert, C. Africa Explored – Europeans in the Dark Continent 1769-1889, Penguin Books, 1984.

-Hugh, C, ed. (1911).Unyamwezi“. Encyclopædia Britannica27 (11th ed.). Cambridge University Press. pp. 781–782.

-Newman, J. L. The Peopling of Africa – A Geographic Interpretation, Yale University Press, 1995.

-Pearson, M. N. Port Cities and Intruders – The Swahili Coast, India, and Portugal in the Early Modern Era, The Johns Hopkins University Press, 1998.

Sharf, F. A. Abyssinia 1867-1868: Artists on Campaign, McMullen Museum of Art, 2007

– Van den Bosch, G. Maps on the legend of Prester John, BIMCC Newsletter No. 29. pps. 19-24.2007

-Whitfield, P. The Charting of the Oceans – Ten Centuries of Maritime Maps, Pomegranate Artbooks, 1996.

-Williams, F. M. Understanding Ethiopia – Geology and Scenery, Springer, 2016.

 

Web Sources 

http://cartographic-images.net/Cartographic_Images/249_Fra_Mauros_Mappamundi.html (Siebold, J. Monograph #249)

https://en.wikipedia.org/wiki/Bunyoro

https://en.wikipedia.org/wiki/Kingdom_of_Karagwe

– (Cary 1811) – http://www.raremaps.com/gallery/enlarge/33908 

– (Coronelli 1690) – http://www.geographicus.com/P/AntiqueMap/Abissinia-coronelli-1690

– Fra Mauro 1450) – https://upload.wikimedia.org/wikipedia/commons/1/1b/FraMauroDetailedMap.jpg

– (Kauxt map 1868) – https://www.bigstockphoto.com/image-26737070/stock-photo-old-map-of-abyssinia-with-red-sea-region-map-insert-created-by-kautx-and-gillot,-published-on-l-illustration,-journal-universel,-paris,-1868

– (Munster, 1554) – https://libweb5.princeton.edu/visual_materials/maps/websites/africa/maps-continent/1554munster.jpg  

– (NASA Comparative map) – https://landsat.gsfc.nasa.gov/fra-mauros-mappamundi/ 

– (Pantocrator map) http://www.bl.uk/learning/timeline/item99816.html (Pinkerton 1818) – http://www.geographicus.com/P/AntiqueMap/Abyssinia-pinkerton-1818 

– (Ptolemy Map) – https://upload.wikimedia.org/wikipedia/commons/f/f0/Claudius_Ptolemy-_The_World.jpg

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Discoveries at El Palenque

San Martín Tilcajete is a small rural town about 14 miles from the city of Oaxaca in southwestern Mexico. It doesn’t swirl with the same bustle of its much larger neighbor miles away, but, like the city of Oaxaca, it thrives in great measure on tourism. People come thousands of miles to see and buy the town’s alebrijes, wood carvings of creatures, some real, some imaginary, painted with bright colors in intricate patterns. One can see them displayed atop white-clothed tables arrayed in open-air weekly markets, their creators eager to show their craft and make the sale. During tourist season, which in Mexico encompasses much of the year, these markets are popular destinations.  

But San Martín Tilcajete is also known for something else. Rich in its traditional and historic Zapotec culture, it also sits astride some very ancient ruins. The archaeological site of El Palenque (not to be confused with Palenque, the ancient Maya site), an ancient Zapotec center at least as old as the early Republic of Rome far away in the Old World, gives the town an extra-special draw. That is because here, as long ago as about 100 to 300 years BCE, a king ruled a polity that helped to set the pace for the foundations of state-level civilization long before the great Aztecs ruled in similar fashion further north in present-day Mexico City — and more than 1500 years before the Spanish conquistadores brought the Aztec capital of Tenochtitlán to ruin. 

Digging El Palenque

Archaeologists have been excavating El Palenque since 1993. But arguably the most compelling features of the site began to emerge later, from excavations conducted from 2009 to 2011, when Elsa Redmond and Charles Spencer of the American Museum of Natural History (AMNH) and their team encountered the remains of what they interpreted to be a temple precinct dated by radiocarbon techniques to between 300 and 100 BCE. The oldest such precinct yet discovered in the Valley of Oaxaca, it consisted of a walled enclosure on the east side of the site’s main plaza, containing three temples featuring multiple rooms, and two specialized residences and ritual features and activity areas, all suggesting the operation of a specialized priesthood staff. Reported in detail in a 2013 paper published in the Proceedings of the National Academy of Sciences (PNAS), the discovery revealed a very early specialized full-time priesthood class working within a temple precinct with features or characteristics previously known to exist among much later Mesoamerican societies, such as the Aztecs further north. It was a remarkable discovery, adding another finding to scholarly knowledge about the development of archaic society of early Mesoamerica, particularly in the Valley of Oaxaca. 

The Palace 

At least as remarkable, if not more so, however, was the discovery of an ancient royal palace complex at the same site, dated by associated radiocarbon samples and excavated ceramics to the same time period, as reported in a recent 2017 PNAS paper by Redmond and Spencer and summarized in a related news release by the AMNH. In that excavation, Redmond and Spencer uncovered palace complex structures and features that extended over an area of about 2,790 square meters situated on the north side of El Palenque’s main plaza. As they excavated, architectural and spacial features began to emerge that revealed a complex consisting of both governmental/administrative structures and an adjoining residential complex, linked by a central staircase and underlaid by a sophisticated water management system. 

At the forefront of the complex was what Redmond and Spencer describe as a colonnaded entry courtyard, designated as the Colonnaded Court, which was accessed from the centerline of the northern edge of the main plaza by a broad staircase. They knew it featured columns because they uncovered the remains of columns that originally characterized the court, which “survived in the carbonized deposits on the burned earthen floor of the corridor”* — a clear sign that the complex, or at least part of the complex, had once succumbed to a fiery end. Within the courtyard they recovered fragments of ceramic braziers and urns which, according to Redmond and Spencer, “reflect the lighting of braziers and the attendant ceremonies celebrated there”*, a clue to the functions performed in this part of the palace complex and as a place where official visitors and officials of the El Palenque polity would have assembled. 

Excavators uncovered stairways and corridors that appeared to lead to other pavements and buildings associated with the complex, including a central staircase leading clearly to what the site investigators interpret to be the ruler’s residential palace, situated on the highest ground and overlooking the plaza. The relative location and placement of the residential palace appeared to be consistent with similar attributes found at palaces of later Mesoamerican states, according to the site investigators. Here, excavations also uncovered a passageway that led to a flagstone-paved court, designated the East Pavement, which was flanked on three sides by low stone masonry platforms. The pavement, notes Redmond and Spencer, may be the remains of the ruler’s throne hall, “where he received officeholders, petitioners, and emissaries who were granted an audience with him”.* Here, human cranial fragments were also found, suggesting a consistency with the “ritual sacrifices practiced by [the later] 16th century Zapotec rulers in reaching and carrying out decisions on important matters,”* indicating a practice that apparently had very early roots in the formation of archaic society in this region. Within the privately appointed residential palace itself, eight rooms were uncovered which displayed evidence of differentiated function and size, including what may have been the ruler’s bedroom. Also associated with the palace were spaces or structures suggesting a storeroom, kitchen, and pantry. 

Significant to the excavation results was the absence of any tomb within the palace complex, consistent with the practice of later Mesoamerican ruler burials, another practice that seems to have had early beginnings as suggested by the El Palenque evidence.

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Areal view of excavated remains of the El Palenque royal palace. Image courtesy Elsa M. Redmond and Charles Spencer

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 Water shrine, where a stone-lined drain descending from ruler’s residence supplied rainwater to cistern. Image courtesy Elsa M. Redmond and Charles Spencer

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What it all means

“There is evidence that the residential palace was built in a single construction effort by at least three different work groups, in a preconceived and centrally directed effort,” write the authors of the PNAS paper.

Redmond and Spencer’s statement is one among a number of conclusions that support the suggestion that early archaic state formation in the Oaxaca Valley had reached a relatively advanced level already in the first few centuries BCE. El Palenque was a centrally run, hierarchically structured society with organized or established groups of specialized laborers and crafts people. Human remains recovered in the palace’s throne hall suggested a ruler who exercised ultimate authority, a key power demonstrated by the rulers of later Mesoamerican states as they executed death sentences and presided over human sacrifices. Concluded Redmond and Spencer in their report: “The palace underscores the El Palenque ruler’s ability to amass considerable manpower for its construction. The palace’s differentiated ground plan reflects the centralized, hierarchical, and internally specialized administration of a state. The radiocarbon dates associated with the palace complex span the Late Monte Albán I phase of the Late Formative period (300–100 BC), a time period for which there is considerable evidence of state organization in the Valley of Oaxaca. This 2,300-year-old palace is the oldest multifunctional palace excavated to date in the Valley of Oaxaca and is a key indicator of the early state society that emerged there at this time.”* 

But perhaps most significant of all, the discoveries at El Palenque underscore the emerging reality that timetables on early state formation in Mesoamerica seem to be increasingly pushed back to earlier centuries, and that, at least in the Valley of Oaxaca, Mexico, foundations were being laid for the much later Mesoamerican societies or kingdoms that we have seen documented by the first Europeans who arrived in this part of the world some 500 years ago.  

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The Zapotecs

Although El Palenque is now thought to have been the center of an independent state, it was also one of a number of ancient centers that made up the Zapotec civilization, which emerged around 500 BCE in the Valley of Oaxaca, developing out of early agricultural communities. The civilization became the dominant collection of polities within the Valley, and actually expanded beyond its Oaxaca Valley borders as an empire, stemming in part from extensive trade links with the Olmec civilization to the east near the Gulf coast, Teotihuacan to its north, and the Maya civilization to its south. Best known among the Zapotec centers is Monte Albán, which enjoyed capital status as the residential, ritual and economic center of the Zapotec civilization for centuries, replacing the first ancient center, San José Mogote, between 500 and 450 BCE. It is also known to have been the burial site for Zapotec rulers for more than a thousand years. Monte Albán is thought to have supported a population of about 25,000 people at its height but also dominated over 1,000 other centers or settlements in the Valley. Redmond and Spencer suggest that El Palenque, as an independent polity, resisted Monte Albán’s rule or dominance for a time, before finally acquiescing to its rule by the first century BCE, with evidence showing that it may have been after military conquest.  

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Based on their research of later documents describing the nature of the later Zapotec rulers, Redmond and Spencer paint a vivid portrait of Zapotec rulership, which may form the basis for understanding the much earlier Zapotec rulers at El Palenque:

“Ethnohistoric data on 16th century Zapotec palaces in Oaxaca are not as detailed, but they share some of the architectural and organizational criteria of Aztec palaces. The palace of a supreme Zapotec ruler was a quihuitào or “beautiful royal palace”. The Relaciones Geográficas that Spanish officials compiled for Zapotec towns between 1579 and 1581 offer some brief de- scriptions. Like their Aztec counterparts, Zapotec rulers resided and ruled in their palaces. One patio of the palace had a meeting hall where the ruler’s most trusted councilors received visitors, officeholders, and petitioners bringing matters to the court. The councilors presented the issues brought before them to the ruler in a separate patio of the palace. In those instances when the ruler granted an audience in his throne room, the visitors observed strict rules of decorum as they addressed the ruler seated on his mat. The ruler reached most decisions after practicing divinatory rituals and offering sacrifices. Juan de Córdova’s dictionary lists the Zapotec terms for the royal court, the meeting halls, the ruler’s throne, and the many lords and diverse officials who assembled there.”*

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*Redmond, Elsa M. and Spencer, Charles S., Ancient palace complex (300 — 100 BCE) discovered in the Valley of Oaxaca, Mexico, www.pnas.org/cgi/doi/10.1073/pnas.1701336114. 

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Rising Star: New Answers, New Questions

In some places on this planet, nature is a stern and discriminating gatekeeper. 

Lee Berger had a taste of this at a cave system in South Africa. While attempting to explore it, he became trapped within a narrow underground squeeze for nearly an hour. His own efforts to extract himself proved unsuccessful. He eventually had to be pulled out using ropes tied to his wrists. 

For Berger, Research Professor in Human Evolution and the Public Understanding of Science at the University of the Witwatersrand, getting stuck in a narrow squeeze would not be considered unique in the world of cave spelunkers. But this effort was part of a broader project to explore the very-difficult-to-navigate Rising Star cave system, the cave system in the fossil-rich Gauteng province of South Africa that recently yielded the largest trove of early human bones found in Africa. In this instance, he and his colleagues were investigating a new chamber found more than 100 meters away from the now famous Dinaledi Chamber. The Dinaledi Chamber was discovered in 2013 and eventually yielded thousands of bones representing a new extinct human species, Homo naledi (1). The new chamber, called Lesedi (or ‘light” in the Setswana language), was in some ways a bit less difficult for explorers than the challenge presented previously by the Dinaledi. But only slightly. “After passing through a squeeze of about 25cm, you have to descend along vertical shafts before reaching the chamber,” said Dr. Marina Elliott about Lesedi. She is Exploration Scientist at Wits and one of the original “underground astronauts” on the expedition to the Dinaledi Chamber in 2013. “While slightly easier to get to, the Lesedi Chamber is, if anything, more difficult to work in due to the tight spaces involved.”* So tight, in fact, that only one person can work in the chamber at a time, as opposed to the Dinaledi, where at least several could move about within the space at once. The Lesedi Chamber is approximately 30 meters underground and, though 145 meters away from the Dinaledi Chamber, it is part of the same interconnected subterranean system. So when spelunkers Rick Hunter and Steven Tucker first spied the hominin fossil remains in the Dinaledi Chamber in September 2013, they had also entered the Lesedi Chamber. But it wasn’t until November when the scientific team, while carrying out fieldwork in the Dinaledi Chamber, actually discovered that there were also fossil hominin remains within the Lesedi Chamber; and like the Dinaledi project, the Lesedi effort marshaled the participation of a large team of researchers, including the University of the Witwatersrand (Wits), James Cook University, Australia, the University of Wisconsin, Madison, United States, and more than 30 additional international institutions.

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homonaledi21cropped

View of the Rising Star property in 2017, with Base Camp in the distance. Photo: Wits University/Marina Elliott

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The Lesedi Finds

What they initially discovered within Lesedi is less prolific than the Dinaledi haul, but without doubt equally revelatory. Here, excavated from three locations within the chamber, scientists recovered 131 hominin fossil specimens representing at least three individuals — two adults and one juvenile. The majority of the fossil specimens belonged to a single adult male. They designated him LES1, nicknaming him “Neo” (meaning “gift” in the Sesotho language). There were enough fossil parts, including a nearly complete skull, to catapult Neo into a rare position among hominin fossil finds. 

“The skeleton of ‘Neo’ is one of the most complete ever discovered, technically more complete than the famous Lucy fossil given the preservation of the skull and mandible,” says Berger.***  The skeleton included the preserved fragile parts of the face, as well as the arms, legs, wrist and hand, spine, and ribs. Moreover, “the vertebrae are just wonderfully preserved, and unique,” says John Hawks of the University of Wisconsin-Madison, a leader of the  Rising Star research team and lead author of the paper describing the new fossils. “They have a shape we’ve only seen in Neanderthals.”***

But for many reasons, they were not remotely Neanderthal. And like the Dinaledi finds, Neo’s skull exhibited a relatively small brain case — about a third the size of modern humans and Neanderthals. 

Were these individuals the same species found in the Dinaledi Chamber?

Yes, say the researchers. The features are consistent with the Dinaledi finds — they are Homo naledi.  Perhaps not entirely surprising, as they were found within the same cave system.

But what about their age? 

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homonaledi8

Schematic of the newly-discovered Lesedi chamber within the Rising Star cave system. Courtesy Marina Elliott/Wits University

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“Neo” skeleton of Homo naledi from the Lesedi Chamber. Courtesy Wits University/John Hawks

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"Neo" skull

“Neo” skull of Homo naledi from the Lesedi Chamber. Courtesy Wits University/John Hawks

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Neo Skull Frontal View

Frontal view of the “Neo” skull of Homo naledi from the Lesedi Chamber. Courtesy Wits University/John Hawks 

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Dating the Lesedi finds

It almost goes without saying that one of the most tantalizing questions among the interested public and scholars about the hominin fossil finds in both the Dinaledi and Lesedi chambers centered on their age. Even by the time the great discovery in the Dinaledi was published news in 2015, however, scientists were not yet in a position to suggest their age for a variety of reasons (see below****) — a frustrating situation, given how important this element is within the context of human evolution research.  

We now finally know, based on a long and deliberate process, the date range of the fossils — at least for the Dinaledi finds. Researchers suggest an age range of between 236 and 335,000 years ago, a surprising result given their initial hypothesis that, based on the morphology of the finds, they could be as old as 2 million years. 

“The dating of naledi was extremely challenging,” said Paul Dirks of James Cook University, the lead author of the study that reported the results of the lengthy multi-institutional effort to date the fossils. “Eventually, six independent dating methods allowed us to constrain the age of this population of Homo naledi to a period known as the late Middle Pleistocene.”***

The researchers applied optically stimulated luminescence (OSL) dating of the sediments within the Dinaledi Chamber, as well as Uranium-Thorium dating and paleomagnetic analyses of the chamber flowstones, to establish the minimum and maximum geological age boundaries of the fossils. To come up with the final age range, they dated the teeth of Homo naledi using Uranium series dating (U-series) and electron spin resonance dating (ESR). The combination of techniques and independent results from multiple institutions and specialists has provided a high confidence in the results. 

This was clearly startling news about the Dinaledi finds — but what about the Lesedi fossils?

To date, researchers have not determined the age of the Lesedi finds. But the Lesedi Chamber skeletal remains are very similar to those from the Dinaledi Chamber — so similar, in fact, that there is little doubt by the experts who have examined both sets of specimens that the individuals in the Lesedi Chamber would be considered members of the same species as those of the Dinaledi Chamber. They have yet to actually date the Lesedi fossils because, among other things, the dating process would mean destroying some of the material, and there is still more work to do examining the fossils and officially describing them in detail. “Once described, we will look at the way forward for establishing the age of these particular fossils,” says Dirks. Given the striking similarity between the two sets of fossil specimens from separate chambers, including the similarity in their respective preservation state, however, the researchers hypothesize for starters that their age is the same.

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Dr Hannah Hilbert-Wolf (left) and Dr. Eric Roberts (right) evaluating data being recorded by the Gamma Ray Spectrometer in the Rising Star Cave, which was later used to refine dating models. Courtesy Wits University  

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A hominin throwback?

Given the apparent age, a major quandary about Homo naledi and its relatively small brain case and unique mosaic of primitive and derived characteristics has revolved around its place on the continuum of human evolution. On its face, based on the traditional view of the evolutionary scheme, this hominin species may seem out of place in the general evolutionary timeline most scholars have defined for the ascent of humans. Hominins with more primitive characteristics have tended to be older, those the with more ‘derived’ or ‘advanced’ characteristics much later or younger on the timescale. But now we know that a variety of hominin species actually coexisted in subequatorial Africa, including evidence that Australopithecines, the suggested ancestral precursor genus to humans, and members of Homo, the hominin genus that includes such species as Homo erectus, archaic humans and modern humans, likely overlapped on the time scale of human evolution. And now in the south African region where we find Homo naledi, we have evidence and dating that naledi may have coexisted with archaic humans and Homo sapiens — modern humans — a suggestion that is consistent with the emerging picture of an Africa as home to a variety of hominin species that were living, as it were, side-by-side at the same time. 

This is not to say that Homo naledi did not belong to a much earlier time during the Pleistocene epoch in Africa. 

“Some populations of H. naledi lived between 235,000 and 336,000 years ago, but other populations may have lived much earlier, as suggested by the many features that H. naledi shares with much earlier fossils,” state the Rising Star researchers in a fact brief. “It is possible that these earlier populations may have given rise to either H. erectus or H. sapiens, or these species may have emerged from common ancestors.”**

There is no evidence to date to suggest that, even though their time periods may have overlapped, members of Homo naledi and Homo sapiens ever really crossed paths on the same stage. “The fossil record suggests that some archaic human populations existed in subequatorial Africa during much of the existence of H. naledi,” write the study authors.“This evidence includes the Kabwe skeletal remains from Zambia, and the Florisbad skull from South Africa.” But they say it is not certain that they made direct contact with each other.  

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“Neo” skull from Lesedi Chamber (left) with DH1 Homo naledi skull from Dinaledi Chamber (right). Courtesy Wits University/John Hawks

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“Lucy” and “Neo”. Left: “Lucy” skeleton of Australopithecus afarensis, 3.2 million years old. Right: “Neo” skeleton of Homo naledi, roughly 250,000 years old. Courtesy Wits University/John Hawks

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Homo naledi was very different from archaic humans that lived around the same time. Left: Kabwe skull from Zambia, an archaic human. Right: “Neo” skull of Homo naledi. Courtesy Wits University/John Hawks

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The significance of Rising Star

The Rising Star team of researchers point to a number of reasons why the naledi fossils mark an important chapter in the ongoing search to understand the human place on the evolutionary spectrum. 

First, the fossils represent yet a new species of Homo, adding to the mosaic of early human species within the hominin taxonomical tribe. It further buttresses the emerging and arguably puzzling portrait of a complex human evolutionary history, raising more questions about the “how” of the ancestral journey that eventually resulted in a sole surviving human species — Homo sapiens

Second, the apparent late age range of the fossil finds adds to the accumulating evidence that a variety of hominins likely coexisted in subequatorial Africa. Like the Homo floresiensis (“hobbits”) of Indonesia, they may have tread the same ground at the same time as our species, modern humans — which had its origins between 300,000 and 200,000 years ago, based on studies and currently available evidence. 

Third, Homo naledi lived during a time when the archaeological record in South Africa shows the presence of Middle Stone Age toolmaking and use of natural pigments, an emerging symbolic material culture with much greater sophistication than the Acheulean (usually attributed to Homo erectus and other early humans) and the Oldowan (the earliest widely recognized stone tool industry). Although modern humans are generally thought to have created and used MSA artifacts, Homo naledi, with an apparent population that existed between 236 and 335,000 years ago, cannot be unequivocally ruled out as makers of this later technology.  

Fourth, the fossil finds were curiously concentrated in two separate difficult-to-access chambers within the dark zones of a cave system. Careful examination by the researchers, thus far, seems to rule out the accumulation of the bones in these locations by natural causes, including predators. To deposit the bones in these difficult-to-access chambers, according to the researchers, would have taken extraordinary effort. “This likely adds weight to the hypothesis that Homo naledi was using dark, remote places to cache its dead,” says Hawks.***  It suggests some tantalizing implications about behavior that add to the list of questions about when, how and where hominins were becoming “human” in the behavioral sense.

Fifth, in order to access the chambers, they likely would have needed some form of light. Could they have mastered the use of fire? “It is a reasonable hypothesis that H. naledi must have controlled fire in order to repeatedly use areas deep within the Rising Star cave system,” write the researchers. “However, the team has not yet confirmed any physical or chemical evidence of ancient fires in either the Dinaledi or Lesedi Chambers.” But archaeologists have found possible evidence of the controlled use of fire in other sites in South Africa going back as far as 1 million years ago, such as at Swartkrans Cave, which is only 800 meters from Rising Star.

A search far from over

One thing is certain, the ongoing global search to understand the ‘how’, ‘where’ and ‘when’ of human origins and evolution has taken a complex path of twists, turns and rethinking over decades of research, and more especially in recent years. If anything, the Rising Star discoveries have raised more questions than answers:

— How does Homo naledi really fit into the mosaic of the expanding list of hominin candidates in the human family origins bush?

— When did the first or earliest populations of Homo naledi actually exist, and where, assuming the Rising Star population was not among the first populations of the species?

— Was the Rising Star group of fossils representative of one of the last Homo naledi populations, or were there later populations, the fossil remains of which have not yet been discovered, pointing to an even later extinction date range?

— Was there contact between Homo naledi and modern humans, or other archaic humans, and if so, what new questions and investigations would this raise?

— Do the Rising Star discoveries hint at an even more complex picture of hominin diversity in southern Africa than what the current evidence already suggests, and by extension, all of Africa?

These are but a few of the many questions that need answers, and the scientific push for a better understanding has been non-stop. Concerning the Rising Star fossils themselves, the research study authors have been very clear about one thing: There is much more work to do. “Their anatomy suggests that their ancestors diverged from the ancestors of modern humans much earlier in time,” states Berger and the team. “Some scientific results have suggested that the H. naledi lineage may have originated as early as 2.5 million years ago, others as late as one million years ago. The wide range of uncertainty means that we will need to discover much more about other primitive members of our genus before we can answer how long H. naledi may have existed.” Thus, continue Berger, et al.: “The team has been surveying more potential fossil sites in the Cradle of Humankind, and there are excellent prospects for discovering more new hominin-bearing caves. We hope to make an announcement of exciting new naledi fossils very soon. In addition, it is possible that fragments of H. naledi have already been found at sites in other parts of Africa but not recognized. A re-examination of fossil evidence across the continent may provide more discoveries.”** 

Berger hints at more to come from Rising Star.

“The age of Homo naledi is not going to be the last surprise that comes out of these caves, I suspect.”*

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Standing left to right: 2017 Explorers, Mathabela Tsikoane, Maropeng Ramalepa, Dirk van Rooyen, Steven Tucker (seated), and Rick Hunter (seated) inside the Rising Star cave system. Courtesy Wits University/Marina Elliott 

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 (1) https://popular-archaeology.com/issue/fall-2015/article/the-new-kid-on-the-block1

 *https://popular-archaeology.com/issue/spring-2017/article/ancient-human-relative-s-surprisingly-young-age-opens-up-more-questions-on-where-we-come-from

 ** Homo naledi Fact Sheet, Wits University

 *** https://popular-archaeology.com/issue/spring-2017/article/south-african-cave-yields-yet-more-fossils-of-a-newfound-relative

 **** It has been very challenging to date the H. naledi fossils accurately for several reasons. Firstly, whilst it is possible to date the fossils directly (and in the end we did date the fossils directly), this is a destructive approach which we only want to follow in exceptional cases, and only after the fossils had been fully described and analysed. But even then, only few direct dating techniques are available (in this case combined U-Th and ESR), and these techniques have relatively large error margins and they rely on model assumptions so everything needed to be checked, preferably with independent techniques.

 Secondly, fossils can be dated by targeting the sediments in which they are embedded. The problem in the case of H. naledi is that the sediments are not yet consolidated, and that there is clear evidence for repeated reworking of the sediments including the fossils. This means that it has been extremely difficult to determine the exact context of the fossils. There were also a number of technical issues relating to the specific conditions in the cave (for example excessive radon loss in the sediments, and unknowns around the burial history because of the reworking), which made it hard to acquire reliable ages.

 Thirdly, we used a large number of techniques and a double blind approach of some of the most important techniques, which has meant that the efforts of 10 separate laboratories in Australia, Europe and South Africa had to be coordinated. Some of the techniques have long lead times, for others careful coordination and sample preparation was required. This in combination with the technical difficulties in the cave meant that it took time to get good results. 

                                                        — Homo naledi Fact Sheet, Wits University

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For more articles on human evolution, see Popular Archaeology’s Human Evolution Issue

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The Extraordinary Case of the San Diego Mastodon

When news of the published study report in the prestigious scientific journal Nature broke, it became a bombshell headline for science media reporters. “Humans in California 130,000 years ago? Get the Facts,” flashed one widely read headline by National Geographic — “A 130,000-year-old archaeological site in southern California, USA,” reported the study abstract from Nature — “Ancient humans may have reached Americas 100,000 years earlier than thought,” posted USA Today. These were but a fraction of the published stories.  

To be certain, the authors of the report, including Thomas Deméré, Steven Holen, Kathleen Holen, and other scholars and scientists, knew this would be grist for scholarly skepticism and criticism for years to come. They were braced for it. But the evidence, to them, after years of study, was compelling enough to move forward with their results in a public way. They knew the implication of their study was enormous — humans, or human-like creatures — hominins — were on this continent, at least in the present-day San Diego area, well more than 100,000 years earlier than the earliest generally accepted dates for the first peopling of the Americas, currently established at around 14-15,000 years ago, or based on the recent Bluefish Caves discoveries, possibly at least 24,000 years ago. A very exciting discovery, if one could ignore a legion of scholars shaking their heads in skepticism. 

The Discovery

The story began in November 1992, when workers under a California Department of Transportation (Caltrans) highway construction project exposed something curious while excavating with a backhoe on State Route (SR) 54, where San Diego borders National City. As State law requires, paleontologists from the San Diego Natural History Museum’s PaleoServices Department were on site doing routine monitoring of the grading activities, in case any fossil material might be encountered. It wasn’t long before the paleontologists justified their presence, and in a very exciting way. As field paleontologist Richard Cerutti watched the caterpillar backhoe excavate through the sandy soil, he spotted what appeared to him to be a horizontally oriented mammoth tusk bone. Construction work in the vicinity of the finds was immediately halted, and the nature of the excavation changed from one using heavy construction and excavation equipment to one using much finer methods — methods typically used by paleontologists and archaeologists. Excavations continued on and off over a period of five months, and together with the San Diego Natural History Museum’s PaleoServices Director Dr. Tom Deméré and a team of site investigators, the team encountered more fragments, including molars, clearly revealing that what they were looking at were actually the remains of a mastodon, a large mammal that inhabited the region during the Pleistocene, becoming extinct about 10,000 -13,000 years ago.

But there was something else that was tantalizingly peculiar about these remains. As they continued to excavate, they could see that many of the bones were fractured or broken in a way that was not typical of bones broken by the forces of the natural environment. Said Kathleen Holen, Director for the Center for American Paleolithic Research in Hot Springs, South Dakota, and one of the authors of the study: “The fragments were found to be clustered in two distinct areas around rocks. The heavy limb bones, which are useful for making tools, were smashed and broken up, but the lighter bones like ribs and vertebra were more complete. We found characteristic marks on the bone surfaces, notches and scars where flakes of bone had been removed, and this is characteristic of bone that has been broken by percussion, that is, with hammerstones.  We also found cone flakes that occur characteristically around the point of impact, much like when you see a B-B strike a window — those circular patterns break off in flakes. In our experience, these bones were broken in patterns usually associated with human modification, broken while they were still fresh.”*

Added to this was the discovery of several large stones found within the same sediment layer as the bones. Finding large stones was not unusual. But finding them located precisely where the modified bone fragments were located was peculiar. “We found stones that were located right within the concentrations [two separate clusters] of the mastodon bone fragments and flakes and the stones and bone fragments could be refit back together so it showed that whatever happened, it was all in the same location,” continued Holen who, along with her husband scholar and study co-author Steven Holen, joined the team efforts in 2008. “We found marks on the rocks that were characteristic of them being used as pounding tools. So there was pounding evidence on both the rocks and on the mastodon bones. Then we saw other signs of human behavior — for example, the location of one of the impacts indicated that there was cooperation between at least two people to steady this bone on an anvil and then break it.”* 

The team considered the possibility that this was all a result of natural processes. But the Holens and colleagues could not fit what they saw into scenarios based on natural causes. “We found no evidence that carnivores have interacted with the bones or that there had been a trampling event that broke the bones and there is no evidence of flooding that would have caused the rocks to break the bones because the flooding would have washed away these smaller fragments that were still right with the stones.”

They knew this would not be enough to draw any conclusions, so to confirm or deny their hunch, they turned to additional expertise. One of these experts was Dr. Dan Fisher, a paleontologist from the University of Michigan — an expert on mastodon fossils. Fisher had significant experience excavating mastodon and mammoth sites that exhibited bones broken while they were still fresh. Carefully examining the site and the evidence, he concluded that there were  clear signs that the bones had been broken by percussion. 

The logical question followed: Were the stones within the clusters really used as tools by humans to break the bones? To answer this question, in 2015 they sent the stones to a well-recognized expert on use-wear analysis, Dr. Richard Fullagar, an archaeologist at the University of Wollongong in New South Wales, Australia. Fullagar examined the stones and compared them to known stone tools, as well as other stones used by the research team to break open fresh elephant bones as an experiment. His conclusion: The stones showed the same abrasions, fractures, and marks that could only come from repetitive impact. To help with further study of the samples, they employed Dr. Adam Rountrey, a colleague of Fisher’s, to produce 3D digital models. 

The researchers were unanimous. This looked like an archaeological site — a site, no longer occupied by human or animal, with evidence of past human activity.

But what about that other critical question — the age of the site? 

Once they had solid samples to be sent for dating, the team did not waste any time. They were sent to USC geologist Dr. Richard Ku for analysis using the radiometric (U-Th) dating techniques of the time (1992/1993). On December 29, 1993, Ku called Deméré with some startling news — a caliche (sedimentary rock) sample from the Cerutti mastodon sediment layer yielded a date of about 190,000 ka. Deméré nearly fell out of his chair. In January, 1994, Ku sent the formal letter report of the dating results. But the Cerutti mastodon site, as far as the mainstream scholars were concerned, joined the plethora of American paleo-indian sites considered as questionable in terms of age. It wasn’t until almost two decades later when they again sent samples for dating, this time to Dr. James Paces, geologist and geochronologist at the U.S. Geological Survey. From 2012 to 2015, Paces applied more advanced and reliable Uranium radiometric dating analyses on “prepared multiple specimens, performing digestions, chemical separations and purifications, and complete isotope analyses on nearly 100 individual subsamples”.** The result: The mastodon bones and associated stones were buried in sediments that are about 130,000 years old, give or take 9,400 years. 

With this, the research team was ready to go public again, and in 2016 they submitted their report to Nature for review. The report was published in 2017, and the news broke in major venues across the world — humans may have been in the Americas more than a whopping 100,000 years before the earliest known dates for the first peopling of the continents. 

Deméré, the Holens, and the rest of the research group anticipated that this would ignite controversy. And sure enough, it generated a firestorm of criticism across a broad spectrum of the scholarly community, especially among scientists involved in First Americans research.

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San Diego Natural History Museum paleontologist Richard Cerutti (after whom the site was named) observing an excavator expanding the Cerutti Mastodon site, March 1993. Courtesy San Diego Natural History Museum. 

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View looking east of the Cerutti Mastodon site, November 1992. Courtesy San Diego Natural History Museum.  

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 Caltrans archaeologists Karen Crafts, Chris White, and Don Laylander excavating fossils found at the Cerutti Mastodon site, November 18, 1992. Courtesy San Diego Natural History Museum.

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Brett Agenbroad (top left), Larry Agenbroad (left), James Mead (bottom left), and Dr. Tom Deméré excavating fossils found at the Cerutti Mastodon site, December 29, 1992. Courtesy San Diego Natural History Museum.

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 Vertebrate paleontologist Dr. James Meade and Director of PaleoServices Dr. Tom Deméré observing an exposed rib and femur ball in the upper right corner of excavation unit D-3 at the Cerutti Mastodon site. Courtesy San Diego Natural History Museum.

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Mastodon skeleton schematic showing which bones and teeth of the animal were found at the site. Courtesy San Diego Natural History Museum.

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The Archaeological Site That Can’t Be

Clearly, the Cerutti Mastodon (CM) site findings up-ended the emerging concept on the timing of the first peopling of the Americas in a major way, and the big names in research on the subject were not going to let this go unchallenged. But the dating itself was actually not the biggest problem for the critics. The process and techniques used on the CM site dating are broadly considered to be the most reliable and accurate that could have been done to date. “Basically we have to believe the date,” says Warren Sharp, an expert on radiometric dating. “The date is not the question in this study. There have been lots of people that have claimed that they had some kind of archaeological evidence for people earlier than 15,000 years ago or so. But if this really passes muster, then I think all of those sites and all of those claims are going to be looked at with new eyes and people are going to not just dismiss them out of hand.”* 

So with the age set aside as a point of contention, the real problem lies in the interpretation of the site as an archaeological site — a location that bears evidence of human occupation or activity. The most salient critiques have revolved around a widely held principle: that extraordinary conclusions or findings require an extraordinary preponderance of credible evidence. They have to meet several crucial tests, namely, that “(1) Archaeological evidence is found in a defined and undisturbed geologic context; (2) Age is determined by reliable radiometric dating; (3) Multiple lines of evidence from interdisciplinary studies provide consistent results; and (4) Unquestionable artifacts are found in primary context”.*** 

One of the biggest points of contention centers on the suggestion that the ‘hammerstones’ and ‘anvils’ are indeed artifacts, the fourth test as noted above.  “To demonstrate such early occupation of the Americas requires the presence of unequivocal stone artifacts,” says Michael R. Waters. Waters is a prominent scholar on the archaeology of early Americans and has held the Endowed Chair in First American Studies at Texas A&M University, the directorship of the Center for the Study of the First Americans, and serves as the Executive Director of the North Star Archaeological Research Program. Waters has been at the forefront of research with his discoveries of evidence of early American occupation as much as 14,000 – 15,000 years ago at such locations as the Debra L. Friedkin site in Texas and the Page-Ladson site in Florida. Regarding the Cerutti Mastodon site, however, he asserts “there are no unequivocal stone tools associated with the bones.” The stones described at the Cerutti mastodon site simply don’t meet the stringent standards required to be designated as artifacts, he maintains. 

Tom Dillehay, the renowned anthropologist with Vanderbilt University who was key to the claimed discovery of a 14,500-year-old human presence at Monte Verde, Chile, agrees. He says that the Cerutti site study does not fully rule out the possibility that the stones were moved to the site by natural processes, and that the wear patterns on the stones may have been the result of the stones bumping against other stones in a moving stream. 

“Holen has made similar claims for other sites he has worked on in the Midwest,” says James M. Adovasio, the archaeologist who led the famed excavations of the Meadowcroft rock shelter in Pennsylvania, where evidence of human activity dated to at least 16,000 years ago was discovered. “These sites have also been roundly critiqued because he has not effectively ruled out other means by which the bones may have accumulated. This is perhaps the biggest problem with all such sites. Specifically, is there a natural, non-anthropogenic, possible explanation for the bone accumulations and their patterning? In the case of Cerutti and the Midwestern localities, this question has not been answered.”

Another argument against the Cerutti site raises the problem of a clear absence (thus far) of bifacial stone tools, a technology that was well-established by 130,000 years ago and would likely have been transported to the New World by its original prehistoric Old World settlers coming from the west. “Though bifacial technology is well developed at this time in the Old World, there is not a shred of it at Cerutti,” says Adovasio. “It is obviously not absolutely necessary that bifacial technology be present on such a site,” he adds, but “all of the bona fide Old World sites of this time period exhibit such materials”. 

And then there are the bones. Skeptics are not convinced that the large bones, including teeth, were broken by humans using the ‘hammerstones’ and ‘anvils’, as the study suggested. “If, as the authors claim, they are splitting bone for marrow and/or tool production,” says Adovasio, “why are all of the pieces from these processes still there? They all retrofit. Additionally, no one splits teeth for marrow!”

Another voice of caution has been expressed by Briana Pobiner, a paleoanthropologist at the Smithsonian Institution and a noted expert on recognizing human activity through the examination of bones.

“What concerns me most about the CM site is a lack of any butchery marks on the mastodon fossils – and the lack of stone tools,” she says. “Interestingly, at ethnographic and some archaeological proboscidean (elephants and their extinct relatives) butchery sites you sometimes don’t see any butchery marks because these animals are so big that you can easily cut meat off of them without leaving any butchery marks — but that’s when the goal is meat processing. To break open the bones for marrow, you need to strip all the meat away, including the connective tissue (like periosteum and cartilage) surrounding the bone, which can be up to 3mm thick on elephants. It seems odd not to see any evidence for that kind of processing [at this site] — nor for the tools used to do that processing.” However, she added, “perhaps the bone could still be “fresh” after the connective tissue has decayed away. In a 2015 paper, Haynes and Klimowicz noted that elephant limb bones can retain grease for up to 3 years, and retention of grease likely means spiral fracture” when attempting to break open bones for access to marrow. This contrasts with bones when they are dry and past the fresh stage, when breakage is characteristically “jagged, longitudinal, or parallel to the long axis of the bone”.  

But Pobiner is not totally convinced that the Cerutti bone spiral fractures were necessarily caused by humans. 

“Researchers used to always attribute spiral fracture to human activity, but a few decades ago it was demonstrated that carnivore chewing and other activity can spirally fracture bone –- it’s indicative of the timing of breakage, not the cause of breakage,” she added. “Gary Haynes, an expert on proboscidean butchery, has studied hundreds of natural elephant bone sites in southern Africa, and found that at some sites up to 62% of the limb bones are spirally fractured” by natural causes.

The Defense

The study authors, on the other hand, are confident they have a strong case for further testing and investigation.

“Only a few of them produce the full banquet of evidence that would be convincing to a really wide range of people,” says Fisher, a key participant and co-author of the study report, about sites like the Cerutti case. “I think the Cerutti site produces that full banquet in a way that very few others do. At the same time the nature of the evidence that is there is completely parallel, completely consistent with patterns that we see at other sites. So not only do I not have a problem with interpreting this as human activity, but I feel I would be intellectually dishonest to turn away from this and say, well, it can’t be human activity only because it’s too old. It’s the same as we see in the best cases where we argue for human activity.”

And while some of the best scientists around the world are itching to poke holes in those statements, the Cerutti site team points to a list of reasons why they think their case is convincing. As published for the media by the San Diego Natural History Museum, the researchers had the following to say:

Regarding the argument that the finds may have been caused by other natural or geological events: 

— The pattern of the mastodon bone bed differs from that of the skeletons of horse, dire wolf, and deer discovered in other strata within the same Pleistocene rock;

— the occurrence of large and small bones together with five large cobbles within an otherwise sandy silt horizon indicates that fluvial processes did not transport the bones and rocks; and

— we studied sites where flood events left bone material redistributed. At those sites, moving water sorted the bones by density and size. This wasn’t the case at the Cerutti Mastodon Site, where everything from small molar fragments to large rocks were distributed, unsorted, around the site.

Regarding any argument that the bone breakage observed at the Cerutti site may have been caused by animal gnawing or other behaviors:

— No Pleistocene carnivore was capable of breaking a fresh mastodon femur at mid-shaft or producing the observed wide impact notch;

— The presence of attached and detached cone flakes is indicative of hammerstone percussion, not carnivoran gnawing, and there is no carnivore bone modification at the Cerutti Mastodon Site nor bone surface modification from gnawing; 

— The differential preservation of fragile ribs and vertebrae rather than heavy limb bones argues against trampling (also no telltale trampling markings) and is consistent with selective breakage by humans; and

—  Other skeletons of extinct mammals found in the same layer/strata were found relatively intact.

Regarding the conclusion that there is evidence of human activity at the site:

 — The distribution pattern of bones – they were not distributed across the site in a homogenous fashion, but were instead concentrated in two key areas;

— [Again,] the pattern of differential breakage – more fragile bones were intact while the heaviest/strongest were broken;

—  The pattern of breakage itself — spiral fractures indicated breakage of the bones when fresh. Impact notches and cone flakes indicated breakage from percussion;

— The way in which the rocks were broken — pieces of broken rock were found scattered throughout the site, in many cases far away from the rock they came from; and several pieces could be refitted, indicating how and exactly where particular stones broke;

— There were two main areas of concentrated bones and rocks;

— [What appeared to be] purposeful placement of some objects — mastodon femoral heads placed together side by side and the tusk driven vertically into lower sedimentary layers were two examples of these anomalies; and

— [Again,] the discrepancy between how the fossils were preserved compared to other Ice Age megafauna discovered at the same site – a sloth, a camel, an ancient horse, a dire wolf, and a capybara — which were the same age. These other animals were mostly the entire carcass/fully articulated skeletons; the mastodon was much more incomplete, and remaining bones were disarticulated and broken.***

Finally, Fullagar, upon examining the purported stone tools from the site, is convinced that the subject stones were actually used as tools. Without knowing the age of the site and their apparent association with the mastodon bones, Fullagar examined key sample stones as submitted by the site archaeologists for study. “Initially when we looked at them I was thinking perhaps they were some kind of plant processing or animal processing tool, for grinding up plant materials or small animals,” said Fullagar. “We’re able to look at these [stones] in low and high magnification and also check whether or not we can see marks that are distinctive of a stone on a bone or a stone on stone.”  He found markings indicating stone on bone.  “It turned out after I knew a bit more about the site [after examining the bones] that they were used for smashing up mastodon bones,” said Fullagar.  

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A concentration of fossil bone and rock. The unusual positions of the femur heads, one up and one down, broken in the same manner next to each other is unusual. Mastodon molars are located in the lower right hand corner next to a large rock comprised of andesite which is in contact with a broken vertebra. Upper left is a rib angled upwards resting on a granitic pegmatite rock fragment. Courtesy San Diego Natural History Museum

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Unbroken mastodon ribs and vertebrae, including one vertebra with a large well preserved neural spine. Courtesy San Diego Natural History Museum

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 A view of a unit containing several fossil remains and stones. Courtesy San Diego Natural History Museum 

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 A close-up view of a spirally fractured mastodon femur bone. Courtesy Tom Deméré, San Diego Natural History Museum 

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 The surface of mastodon bone showing half impact notch on a segment of femur. Courtesy Tom Deméré, San Diego Natural History Museum 

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 Side view of groove produced by percussion on a mastodon leg bone. Shows negative flake scar. Courtesy Tom Deméré, San Diego Natural History Museum 

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 A boulder discovered at the Cerutti Mastodon site thought to have been used by early humans as a hammerstone. Courtesy Tom Deméré, San Diego Natural History Museum 

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 One of the stones discovered at the Cerutti Mastodon site thought to be used as an anvil for bones processing. Courtesy Tom Deméré, San Diego Natural History Museum 

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CMSFigure2Layout depicting bone breakage experiment on a modern elephant’s leg bones in an attempt to determine the kinds of breakage patterns resulting from hammerstone percussion. Courtesy Kate Johnson, San Diego Natural History Museum 

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What kind of human?

There were no human remains found at the site associated with the finds. But even if it could be irrefutably concluded that humans were at the site 130,000 years ago, what kind of human would we be talking about in this case? At that time in prehistory scientists know that, along with modern humans, other hominins like Homo erectus, NeanderthalsDenisovans, and possibly Homo floresiensis (the Indonesian “hobbits’) were walking the earth, and perhaps at least one other as yet unidentified early human species. However, all of these human populations are known to have existed only in the Old World. There is at this time no evidence that any species of human had journeyed beyond the Old World continents any earlier than between 20,000 – 30,000 years ago, a time when there are clues that humans may have been hanging around the ancient Beringian region (which includes present day Alaska and ancient easterly extensions of present day Siberia). And while it is possible they may have been modern humans (not archaic humans), there is no broadly accepted evidence to date that modern humans had left Africa to colonize the world by 130,000 years ago. Most estimates place them exiting Africa much later. 

This leaves hominins like Homo erectus, the first generally recognized globe-trotting human species, Neanderthals (known to have existed in Western Eurasia and the Middle East and as far east as the Altai Mountains in Siberia), Denisovans (known to have existed as far east as Siberia and possibly Melanesia and Australia), Homo floresiensis (Indonesia), or some other unknown species.  Any of those possibilities would be game-changing. Especially given the geographic realities of the time….

If a human presence is confirmed, then how did they get here?

The age range of the site falls within the Eemian interglacial period, a time when sea level was high enough to create a water barrier for theorists who posit that early humans crossed Beringia, the land bridge area that many scholars suggest facilitated the entry of humans into the Americas during prehistoric times. This would suggest that early human arrivals in the Americas would have had to reach the Americas by some kind of watercraft — or that their ancestors crossed into the Americas considerably earlier than 130,000 years ago, when sea level was lower and Beringia was above water. Either scenario would be considered by mainstream conservative thinkers to be a real stretch. 

But there are some findings in other parts of the world that suggest that humans were capable of crossing significant bodies of water in deep prehistory with boats of some sort. The evidence is indirect, but they present a compelling possibility. One example, on the Cycladic island of Naxos, Greece, could hold a clue.

First discovered in 1981 as part of a survey by the École Française d’Athènes under the direction of René Treuil, the site, known as Stélida, is a 118m high hill on the west of cape of Aghios Prokopios, located on the northwest coast of Naxos. Today the hill is situated on a promontory that juts out into the Aegean, and if one stands at its pinnacle, one can view a vista of the coastline and the Aegean Sea toward the west, separating Naxos from its neighboring island, Paros, clearly seen in the distance. Beginning in 2013, an international team led by Dr. Tristan Carter of McMaster University through the Canadian Institute in Greece, and his co-director Dr. Demetris Athanasoulis of the Cycladic Ephorate of Antiquities of the Hellenic Republic’s Ministry of Culture and Sports, conducted a series of ongoing excavations on the hill. Known as the Stélida Naxos Archaeological Project (SNAP), excavations have uncovered thousands of lithic material (mostly stone debitage), that indicate the site was in use for tens of thousands of years as a place to acquire and manufacture simple stone tools. According to the project scientists, many of the diagnostic pieces, although not an indicator for direct or absolute dating, do suggest a possible date range of hominin occupation or use going back as far as the Middle Paleolithic (spanning from 300,000 to 30,000 years ago). Says Kate Leonard, an archaeologist who worked at the site, “There is tantalizing evidence for activity at Stélida in the form of possible bifaces that could be interpreted as handaxes; these large heavy tools could have been made by Homo heidelbergensis, the predecessor of the Neanderthals in Europe. The possibility for evidence of these early hominids living on what are now the Cycladic islands has not been seriously investigated before.” 

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Stone tools in situ at Stélida. Photo credit Kate Leonard  

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Perhaps the most intriguing aspect of Stélida, however, is its location on an island that, during the Middle Paleolithic, would have presented some challenge for access by humans. “Stélida is the earliest known archaeological site in the Cycladic region and when the area was first reached by hominins the landscape would have been much different to now,” says Leonard. “When I looked out from my excavation trench towards the coast I could see the Aegean Sea separating Naxos from its neighbor to the west, the island of Paros. Scientific investigations into the ancient environment suggest that these two islands were joined to a few others as part of one big island known as the ‘Cycladean Island’ during the glacial maximum (the stage of the Ice Age when the maximum amount of sea water was trapped in glaciers). Tens of thousands of years ago when people climbed the hill at Stélida to reach the chert outcrops they would have been looking out over a grassy plain, an estuary or even a lagoon, with the sea many kilometers away. But even still, this ‘mega-island’ was an island and a body of water had to be crossed to reach it from mainland Europe.” Early humans were already known to have existed in mainland Europe at this time, such as Neanderthals, Homo heidelbergensis, and possibly Denisovans.

The clues don’t stop with Stélida. Another site called Mochlos on the island of Crete has revealed stone tools that may be as much as 130,000 years old. The Mochlos site had to have been reached by humans by crossing water, as it was never connected to the Greek mainland. And yet other sites in the south of Spain show evidence of human activity or presence as much as 900,000 to over a million years ago at locations that suggest early humans had to have crossed the Straits of Gibraltar from northern Africa to reach the sites.  

Looking ahead — the need for more sites? 

So does the Cerutti Mastodon Site show plausible evidence that humans were at the site 130,000 years ago? 

Broad scholarly consensus on that question is for now only a fiction. Human bones would certainly cement the case, but there are no telltale early human bones, and that is not unusual. Many prehistoric sites showing clear evidence of human activity do not feature human bones. But DNA research has opened up an intriguing possibility for investigating such sites. Using newly developed techniques, researchers of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, have recently successfully retrieved and identified DNA from Neanderthals from sediment samples taken from four archaeological cave sites, as well as DNA of Denisovans from soil samples from the Denisova Cave in Russia. The DNA was identified in sediments where no hominin skeletal remains have been detected. Scientists now suggest that the same process can be applied at other sites across the world. Why not the Cerutti site? 

Aside from breakthroughs like new DNA techniques, Deméré and colleagues hold out for more research and study before cementing their case. They suggest that, now that the Cerutti site has opened up a new possible time range for human occupation in the Americas, it may serve to inspire or direct other researchers or archaeologists to search in areas and sediments/time horizons that were previously ignored or not thoroughly explored. More data and possible evidence from other locations is needed before the Cerutti site can be corroborated within the scholarly world. They are moving forward with this. For starters, says Steven Holen, “we have some preliminary evidence from another site,” that will be explored further.  

He wouldn’t reveal the location of the site. Not yet. 

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CMSDemereandCerutti18

 A drawer full of Cerutti Mastodon site stone artifacts in the San Diego Natural History Museum’s Paleontology Collection Room. Courtesy Kate Johnson, San Diego Natural History Museum 

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*Interview on Science Friday, April 2017

** CMS Discovery Timeline, San Diego Natural History Museum

***CMS Fact Sheet, San Diego Natural History Museum

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A Pharaoh’s Massive Tomb Unveiled

Julie Masis is a freelance journalist based in Cambodia.  Her stories have appeared in the Christian Science Monitor, the Guardian, the Boston Globe, Science magazine and in other publications.

The tomb of King Senwosret III, one of the most renowned pharaohs of ancient Egypt’s Middle Kingdom, is expected to open soon, allowing tourists to appreciate the architecture of Egyptian builders who constructed the burial complex almost four thousand years ago, according to Dr. Josef Wegner, Associate Curator of the Egyptian Section of the University of Pennsylvania Museum of Archaeology and Anthropology (Penn Museum). He has been excavating in Abydos, where the tomb is located and one of the oldest cities of ancient Egypt, for decades. 

Dated to 1850 BC, it is the largest tomb at Abydos. The tomb measures 200 meters in length and 45 meters deep. To visualize how massive this is, one would need to imagine a 13 story building underground. “The architecture is amazing,” says Wegner. “It’s like going into a pyramid. It’s architecture is symbolic – depicting the sacred journey into the afterlife.”

The entrance of the tomb faces westwards (symbolizing death, because the sun sets in the west) and then the underground complex curls under a sacred natural mountain, anciently known as Anubis-Mountain, to face the eastern horizon, the direction from which the sun rises, symbolizing rebirth, explained Wegner. “For the Egyptians, that the sun vanishes in the west and magically rises in the east is one of the secrets of the universe, giving them the power of rejuvenation,” he said. 

The burial complex features chambers with ceilings six meters high, as well as narrow passageways with blocking stones. The chambers are connected to each other with sloping passages. To navigate the tomb structure, archaeologists, while exploring it, had to slide down at approximately a 30 degree angle. Some blocking stones in these passages weigh as much as 40 to 50 tons. The air inside is stuffy, which makes some people uncomfortable, Wegner admitted. “Some people get a little nervous going into it. When we first opened it, it was full of debris, so we had to crawl on our hands and knees and slither like a snake.”

Luckily, tourists will not have to slither like snakes when they visit the tomb. Stairs with handrails, lights, and a ventilation system were installed and debris and broken blocking stones were removed to make it possible for visitors to walk upright. Work is currently underway to complete the signage in the tombs, and to prepare a parking area for buses, Wegner said. 

The significance of the tomb

Although first discovered and explored in 1901 by Arthur Weigall, the tomb was not systematically excavated until Wegner and a team reopened it in 2005 with a plan for full excavation, publication and restoration of the tomb. Since then, more detailed features of the tomb structure have been revealed. It was found to be devoid of wall decoration, but its interior was lined with well-dressed masonry of Tura limestone and red Aswan quartzite. The burial chamber contained the broken remains of the king’s granite sarcophagus and canopic box, and was protected by an elaborate system of massive stone blocks and architectural techniques for concealing the royal burial’s location. Several of the blocking stones weighed over 50 tons, designed to prevent access by tomb robbers into the burial chamber itself. 

Most significantly, the Senwosret III tomb is now the first known example of a hidden royal tomb, representing a change from the ancient traditional concept of the royal pyramid to that of a royal subterranean complex like those of the later royal burials in the Valley of the Kings at Thebes. Describing the tomb, Wegner and researchers write that “the tomb itself extends beneath the peak of Anubis-Mountain which serves as a substitute for the built pyramid. This name occurs on many clay impressions produced by a necropolis seal that was used extensively in a variety of administrative and ceremonial activities at the tomb site.” The tomb is thus a massively monumental example of a major shift in ancient Egyptian royal burial practices.

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abydosmap

 Location of Abydos in relation to other ancient sites in Egypt.

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tombPanorama of the landscape of the Anubis-Mountain necropolis

 Panorama of the landscape of the Anubis-Mountain necropolis. Courtesy Josef Wegner and the Penn Museum

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tombOverall plan of the complex of Senwosret III at South Abydos

 Overall plan of the complex of Senwosret III at South Abydos. Courtesy Josef Wegner and the Penn Museum

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tombCut-away view of the Senwosret III tomb

 Cut-away view of the Senwosret III tomb. Courtesy Josef Wegner and the Penn Museum

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tomb1

 The tomb features sloping passages between chambers. Courtesy Josef Wegner and the Penn Museum

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tomb3

 Above and below: Views within the newly revealed massive tomb complex of Senwosret III. Note the remarkable interior of well-dressed masonry. Courtesy Josef Wegner and the Penn Museum

tomb5

tomb6

tomb4

tombWork inside the tomb of Senwosret III

tomb7

 Red Aswan quartzite is a major material feature of the tomb. Courtesy Josef Wegner and the Penn Museum 

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Who was King Senwosret III?

Much is known about King Senwosret from inscriptions on ancient stone stelae. According to monuments he had erected during his reign, he expanded Egypt’s territory further south, more than any previous ruler, said Adela Oppenheim, a curator in the Egyptian Art Department at the Metropolitan Museum of Art in New York. It set the pace for his followers. “He said that any son who does not keep this border is not his son,” added Oppenheim. He initiated military campaigns in Nubia, an ancient region that spans southern Egypt and northern Sudan. He also built temples, monuments and fortresses (most of which were flooded when the Egyptians built the Aswan Dam in the 1960s), added Wegner. 

It is believed that Senwosret III lived between 1878 BC and 1840 BC and that he was the son of Senwosret II, although this is not proven, according to Oppenheim. He had many wives, although it is not known how many. 

Historians know what Senwosret III looked like because sculptures of him have survived, including two originals outside of Egypt at the Metropolitan museum in New York. Interestingly, he is the first ancient Egyptian pharaoh who was sculpted as an older man, without a smile on his face, said Oppenheim. “During this period, there was a radical change in how the king was depicted. He is depicted as if he has signs of aging. He is shown frowning. He has wrinkles on his forehead.” The reasons for this are not clear, but some historians say that perhaps this is because Egypt was enduring difficult times during Senwosret’s reign. However, Oppenheim believes that the sculptors were simply trying to show that the pharaoh had the wisdom that comes with age. 

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senwosretface1

 Senwosret III at the Metropolitan Museum of Art. Gift of Edward S. Harkness, 1917. http://www.metmuseum.org/art/collection/search/544186

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senwosretface2

 Senwosret III as a sphinx. Gift of Edward S. Harkness, 1917. http://www.metmuseum.org/art/collection/search/544186

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Was King Senwosret III’s body actually buried in the Abydos tomb? 

Senwosret had two burial places prepared for himself – a pyramid at Dashur, near Cairo, where he also erected pyramids for his mother, his chief wife and other royal women – and the tomb at Abydos much farther south, which today is an eight hour drive from the Egyptian capital. 

But which one was the actual burial place of the king? 

While Senwosret III’s mummy was never found, historians are almost certain that he was not buried in the pyramid in Dashur – because archaeologists did not find any pottery or debris, or evidence that a sarcophagus was ever placed there, said Openheim, who is also the co-director of the excavation of the Dashur pyramid of Senwosret III. 

In Abydos, on the other hand, archaeologists did find fragments of stone vessels that typically would have been laid in a royal tomb, indicating that the pharaoh was buried there, Wegner said. But no mummy. According to Wegner, it may have been destroyed when ancient robbers were searching for other valuables. 

Other tombs to open to the public

In addition to King Senwosret’s tomb, which is the largest tomb in Abydos, visitors will also have access to three other ancient burial places. 

One is the smaller tomb of King Senebkay, where visitors will be able to see the  skeletal remains of the king who died around 1650 BC, about two centuries after King Senwosret. Unlike King Senwosret, about whom historians know much from ancient inscriptions, virtually the only information that we have about King Senebkay comes from his tomb. The king’s bones are marked with injuries that ended his life, Wegner said. Archaeologists discovered cut marks on the king’s feet and ankles (which suggest that he was attacked from below, perhaps while he was mounted on a horse), as well as injuries to his skull. (It is suggested that he was killed by axe blows to the head after he fell to the ground.)  “It is the earliest king whose physical remains indicate that he died in a battle,” Wegner said.* 

Unlike King Senwosret’s tomb which is not decorated, King Senebkay’s tomb is adorned with hieroglyphics, Wegner said. 

Two tombs of brother kings King Neferhotep I and King Sobekhotep IV will also become accessible to the public, Wegner added. In ancient times, these two tombs probably had small pyramids, although these pyramids have not survived, Wegner said. He explained that the design of the tombs indicate that they were once capped by a superstructure. 

In all, the Abydos necropolis contains the tombs of at least 12 kings, “a whole forgotten dynasty of kings,” with the tomb of King Senwosret III being the oldest and the largest, said Wegner. 

The tombs at Abydos are younger than the Great Pyramid of Giza, which dates to 2500 BC, yet older than the tombs in the Valley of the Kings, which span the period between 1500 and 1000 BC, Wegner said. 

According to Wegner, ancient Egyptians stopped building pyramids and began to instead construct underground burial tombs due to a change in their religious beliefs and also in an attempt to keep out robbers.  “Many people think hiding the tomb underground without a pyramid on top of it helped to protect it,” he said. 

But Oppenheim suggests that ancient Egyptian consideration for building pyramids on top of tombs had more to do with the local landscape. They did not build pyramids in mountainous regions such as Abydos. “The mountains served as a marker that in some way was analogous to a pyramid,” she said.

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tomb13General view of the tomb of the lost pharaoh Senebkay

 General view of the tomb of the lost pharaoh Senebkay. Courtesy Josef Wegner and the Penn Museum

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tomb12View through into the burial chamber of Senebkay

 View through into the burial chamber of Senebkay. Courtesy Josef Wegner and the Penn Museum

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tomb14The skeleton of king Senebkay

 Above and below: The skeleton of Senebkay. Courtesy Josef Wegner and the Penn Museum

tomb15Skeleton of Senebkay

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A special artifact 

While visitors will be able to descend into the tombs and see the ancient architecture, the smaller artifacts that archaeologists found at Abydos will not go on display there, Wegner said. Most of these items are currently in storage. 

One of Wegner’s favorites is a birthing brick – the first such brick that had ever been found. He discovered it while excavating the house of the mayor in the ancient city (Wah-Sut) near the tombs. The brick depicts a woman holding a new-born child after giving birth. In ancient Egypt, women customarily stood on such bricks when they were in labor, he said. “We have ancient texts describing birth bricks, but no one had discovered one.” The brick dates from 1750 BC to 1800 BC. Although it was unearthed about 15 years ago, it has never been displayed to the public. Wegner said he is not particularly upset about that.  “You can open so many museums with the amount of stuff that has been excavated in Egypt, but a lot of stuff just doesn’t ever get displayed,” he said.  And although the brick is the first such item to have ever been discovered, Egyptian officials, says Wegner, were not particularly interested in it because it is not made from precious metals.

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tomb17magical birth brick, photo of the main scene

The magical birth brick depicting the main scene. Courtesy Josef Wegner and the Penn Museum

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tomb18Painted reconstruction of main scene on the birth brick

Painted reconstruction of the main scene on the birth brick. Courtesy Josef Wegner and the Penn Museum 

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Excavations continue at Abydos

Wegner and his crew from the University of Pennsylvania are returning to Abydos this summer to continue excavating. 

Archaeologists work by first using magnetometers to create a magnetic map of the area – pieces of pottery and ceramics have good magnetic conduction properties and are an indication that there is something underground, Wegner said. The magnetometer can also detect mud brick structures because mud has iron in it, while the sand itself is mostly silica and has no magnetic properties, Wegner added. (The device works well only after people clear away modern garbage, such as metal cans and coins.) 

After that, archaeologists start digging – with the help of their Egyptian workers. Everything, even the tops of the tombs, is buried five to six meters under the desert sand, Wegner said. “It’s not a place where you brush off a little bit of sand.” 

Wegner wants to determine if Senwosret’s tomb extends beyond the 200 meters already excavated. If so, it might be the largest tomb of an Egyptian king ever discovered, he said. 

He is also looking for a boat house. About two years ago, while excavating in Abydos, he found a building with images of hundreds of boats carved into the walls. He says the building may have served as a burial chamber for the funeral boats that carried the king’s body to the tomb, but nothing remains of the boats themselves because the wood was valuable, so it was probably stolen.

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tomb16A group of boat images

 The boat images uncovered in an excavated building at Abydos. Courtesy Josef Wegner and the Penn Museum

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What else is next at Abydos? Wegner suggests there is potentially more to discover at Abydos. “We know there are a bunch of other underground buildings in the area,” he said. 

Plenty of work for years to come.

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*Read more about the discovery of the lost pharaoh Senebkay in the article, The Tomb of the Warrior King, published in the Spring 2015 issue of Popular Archaeology. 

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Travel and learn with Far Horizons.

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winter2016ebookcover

This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

 

 

 

Study sheds light on Neanderthal-Homo sapiens transition

AUSTRALIAN NATIONAL UNIVERSITY—Archaeologists at The Australian National University (ANU) and the University of Sydney have provided a window into one of the most exciting periods in human history—the transition between Neanderthals and modern humans.

An archaeological dig in a cave in the Moravian region of the Czech Republic has provided a timeline of evidence from 10 sedimentary layers spanning 28,000 to 50,000 years ago. This is the period when our modern human ancestors first arrived in Europe.

The dig, in a cave near the Czech border with Austria and around 150kms north of Vienna, has unearthed over 20,000 animal bones as well as stone tools, weapons and an engraved bone bead that is the oldest of its kind in Central Europe.

ANU archaeologist Dr Duncan Wright said the project was so important because it gives some of the earliest evidence of modern human activity in the region. This was a period when humans were moving substantial distances and bringing with them portable art objects.

“In the early layers the items we’ve found are locally made flakes, possibly used by small communities living and hunting in the vicinity to kill animals or prepare food, but around 40,000 years ago we start to see objects coming from long distances away,” Dr Wright said.

“Dating from this same time we unearthed a bead made from mammal bone. This is the oldest portable art object of its type found anywhere in central Europe and provides evidence of social signalling, quite possibly used as a necklace to mark the identity of the wearer.

“So between these two periods, we’ve either seen a change in behaviour and human movement or possibly even a change in species.”

Archaeologist Ladislav Nejman of the University of Sydney said one of the biggest questions is the beginnings of human exploration of this landscape by Homo sapiens who arrived in this area for the first time. “We’ve found that somewhere between 40-48,000 years ago people became highly mobile,” Dr Nejman said.

“Instead of moving short distances near the cave where they lived, they were walking for hundreds of kilometres quite often. We know that because we found various artefacts where the raw material comes from 100-200 kilometres away.

“The artefacts were also made of different materials from different regions. Some from the North-West, some from the North, some from the East.”

However in layer 10, which represents an earlier time period between 48-45,000 years ago, all the recovered stone artefacts were made using local raw material, which indicates that the high residential mobility came later.

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stonetool

 This is a stone tool thought to be a speartip made from radiolarite sourced over 100km to the east of the cave. Image: Miroslav Kralík

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Dr Nejman said the study also revealed valuable new information about the climate of the region.

“We haven’t had such a long sequence of sedimentary layers before that we could test,” he said.

“The climate changed quite often from warmer to colder, and vice versa, but at all times it was much colder than the interglacial period that we have lived in for the past 10,000 years.”

Samples from the site have been sent through for analysis using a new technique, called ancient sediment DNA analysis. This is the first scientific method that can detect which species were present even without the bones of these species. It tests remnant DNA preserved in the sediment.

Dr Wright said the results will shed new light on a period of transition between two species of humans and also give clearer evidence about the activities of our modern human ancestors in a period and region where little is known.

“We can tell by the artefacts that small groups of people camped at this cave. This was during glacial periods suggesting they were well adapted to these harsh conditions” Dr Wright said.

“It’s quite possible that the two different species of humans met in this area.”

Article Source: Australian National University news release.

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Receive 30 days free access to the popular new CuriosityStream lineup of documentaries on science, history, nature, and technology as a new Popular Archaeology premium subscriber.

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Travel and learn with Far Horizons.

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winter2016ebookcover

 This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

  

 

 

 

 

Popular Archaeology Releases the Summer 2017 Issue

summer2017cover3

Popular Archaeology Magazine is pleased to announce the release of the Summer 2017 Issue. In this issue, the following fascinating articles are available:

 

1. The Extraordinary Case of the San Diego Mastodon (Premium Article)

The in-depth story about the controversial discovery of a 130,000-year-old human presence in Southern California. 

 

2. A Pharaoh’s Massive Tomb Unveiled (Free to the public)

For the first time, visitors to Egypt will be able to descend 45 meters underground into the ancient tomb of the most famous pharaoh of Abydos. 

 

3. Rising Star: New Answers, New Questions (Premium Article)

Is Africa’s largest trove of early human remains shedding game-changing light on human origins, or muddying the water?

 

4. Discoveries at El Palenque (Premium Article)

Archaeologists have uncovered the oldest multifunctional royal palace in Mexico’s Oaxaca Valley.

 

5. The Age of Little Foot (Premium Article)

Scientists continue the debate surrounding the true age of the famous fossil skeleton discovered at Sterkfontein Caves in South Africa.

 

6. The Lost Cities of Ethiopia (Free to the public)

Archaeologists and scholars crack the code of the historic Fra Mauro map to find long lost medieval cities in Ethiopia.

 

And coming soon: The astounding discoveries at Göbekli Tepe

 

There are amazing discoveries being made almost every day across the world. This issue covers only a few of the biggest stories of recent months. We hope you will enjoy the content, and please feel free to write us at [email protected] if you have any questions, concerns, or suggestions. 

Finally, if you are not a premium subscriber, we invite you to join for access to all of our premium articles, and to take advantage of our special offer for exclusive 30 days free access to all of the popular documentary video streaming service films offered at CuriosityStream.

 

Your partner in discovery,

Dan McLerran

Editor

Popular Archaeology Magazine

 

 

 

Earliest known Homo sapiens just got older

New fossil finds from the Jebel Irhoud archaeological site in Morocco have pushed back the origins of our species by 100,000 years, to at least 300,000 years ago, according to research conducted by Jean-Jacques Hublin of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, and Abdelouahed Ben-Ncer of the National Institute for Archaeology and Heritage (INSAP) in Rabat, Morocco. The new excavation uncovered 16 new Homo sapiens fossils along with stone tools and animal bones. The remains comprise skulls, teeth, and long bones of at least 5 individuals.. They also reveal what was on the menu for our oldest-known Homo sapiens ancestors 300,000 years ago.

Thermoluminescence dating of heated flints yielded an age of approximately 300,000 years ago—100,000 years earlier than the previously oldest Homo sapiens fossils.

Analysis of animal fossils found at the site provided additional evidence to support the date. Dating of rodent remains, for example, suggested they were 337,000 to 374,000 years old.

Pushing Back the Dates on Homo sapiens

Both genetic data of present day humans and fossil remains point to an African origin of our own species, Homo sapiens. Previously, the oldest securely dated Homo sapiens fossils were known from the site of Omo Kibish in Ethiopia, dated to 195 thousand years ago. At Herto, also in Ethiopia, a Homo sapiens fossil is dated to 160 thousand years ago. Until now, most researchers believed that all humans living today descended from a population that lived in East Africa around 200 thousand years ago. “We used to think that there was a cradle of mankind 200 thousand years ago in east Africa, but our new data reveal that Homo sapiensspread across the entire African continent around 300 thousand years ago. Long before the out-of-Africa dispersal of Homo sapiens, there was dispersal within Africa,” says palaeoanthropologist Jean-Jacques Hublin.

The Moroccan site of Jebel Irhoud has been well known since the 1960s for its human fossils and for its Middle Stone Age artefacts. However, the interpretation of the Irhoud hominins has long been complicated by persistent uncertainties surrounding their geological age. The new excavation project, which began in 2004, resulted in the discovery of new Homo sapiens fossils in situ, increasing their number from six to 22. These finds confirm the importance of Jebel Irhoud as the oldest and richest African Middle Stone Age hominin site documenting an early stage of our species. The fossil remains from Jebel Irhoud comprise skulls, teeth, and long bones of at least five individuals. To provide a precise chronology for these finds, researchers used the thermoluminescence dating method on heated flints found in the same deposits. These flints yielded an age of approximately 300 thousand years ago and, therefore, push back the origins of our species by one hundred thousand years.

“Well dated sites of this age are exceptionally rare in Africa, but we were fortunate that so many of the Jebel Irhoud flint artefacts had been heated in the past,” says geochronology expert Daniel Richter of the Max Planck Institute in Leipzig (Germany), now with Freiberg Instruments GmbH. Richter explains: “This allowed us to apply thermoluminescence dating methods on the flint artifacts and establish a consistent chronology for the new hominin fossils and the layers above them.” In addition, the team was able to recalculate a direct age of the Jebel Irhoud 3 mandible found in the 1960s. This mandible had been previously dated to 160 thousand years ago by a special electron spin resonance dating method. Using new measures of the radioactivity of the Jebel Irhoud sediments and as a result of methodological improvements in the method, this fossil’s newly calculated age is in agreement with the thermoluminescence ages and much older than previously realised. “We employed state of the art dating methods and adopted the most conservative approaches to accurately determine the age of Irhoud”, adds Richter.

The crania of modern humans living today are characterized by a combination of features that distinguish us from our fossil relatives and ancestors: a small and gracile face, and globular braincase. The fossils from Jebel Irhoud display a modern-looking face and teeth, and a large but more archaic-looking braincase. Hublin and his team used state-of-the-art micro computed tomographic scans and statistical shape analysis based on hundreds of 3D measurements to show that the facial shape of the Jebel Irhoud fossils is almost indistinguishable from that of modern humans living today. In contrast to their modern facial morphology, however, the Jebel Irhoud crania retain a rather elongated archaic shape of the braincase. “The inner shape of the braincase reflects the shape of the brain,” explains palaeoanthropologist Philipp Gunz from the Max Planck Institute for Evolutionary Anthropology in Leipzig. “Our findings suggest that modern human facial morphology was established early on in the history of our species, and that brain shape, and possibly brain function, evolved within the Homo sapiens lineage,” says Philipp Gunz. Recently, comparisons of ancient DNA extracted from Neanderthals and Denisovans to the DNA of present day humans revealed differences in genes affecting the brain and nervous system. Evolutionary shape changes of the braincase are therefore likely related to a series of genetic changes affecting brain connectivity, organization and development that distinguish Homo sapiensfrom our extinct ancestors and relatives.

The morphology and age of the fossils from Jebel Irhoud also corroborate the interpretation of an enigmatic partial cranium from Florisbad, South Africa, as an early representative of Homo sapiens. The earliest Homo sapiens fossils are found across the entire African continent: Jebel Irhoud, Morocco (300 thousand years), Florisbad, South Africa (260 thousand years), and Omo Kibish, Ethiopia (195 thousand years). This indicates a complex evolutionary history of our species, possibly involving the whole African continent.

“North Africa has long been neglected in the debates surrounding the origin of our species. The spectacular discoveries from Jebel Irhoud demonstrate the tight connections of the Maghreb with the rest of the African continent at the time of Homo sapiens‘ emergence”, says Abdelouahed Ben-Ncer.

Middle Stone Age Tools

The fossils were found in deposits containing animal bones showing evidence of having been hunted, with the most frequent species being gazelle. The stone tools associated with these fossils belong to the Middle Stone Age. The Jebel Irhoud artifacts show the use of Levallois prepared core techniques and pointed forms are the most common. Most stone tools were made from high quality flint imported into the site. Handaxes, a tool commonly found in older sites, are not present at Jebel Irhoud. Middle Stone Age artifact assemblages such as the one recovered from Jebel Irhoud are found across Africa at this time and likely speak to an adaptation that allowed Homo sapiens to disperse across the continent.

“The stone artifacts from Jebel Irhoud look very similar to ones from deposits of similar age in east Africa and in southern Africa” says Max Planck Institute archaeologist Shannon McPherron. “It is likely that the technological innovations of the Middle Stone Age in Africa are linked to the emergence of Homo sapiens.” The new findings from Jebel Irhoud elucidate the evolution of Homo sapiens, and show that our species evolved much earlier than previously thought. The dispersal of Homo sapiens across all of Africa around 300 thousand years is the result of changes in both biology and behaviour.

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These are two views of a composite reconstruction of the earliest known Homo sapiens fossils from Jebel Irhoud (Morocco) based on micro computed tomographic scans of multiple original fossils. Dated to 300 thousand years ago these early Homo sapiens already have a modern-looking face that falls within the variation of humans living today. However, the archaic-looking virtual imprint of the braincase (blue) indicates that brain shape, and possibly brain function, evolved within the Homo sapiens lineage. Credit: Philipp Gunz, MPI EVA Leipzig (License: CC-BY-SA 2.0)

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homosapiens

 160,000-year-old Homo sapiens skull discovered at Jebel Irhoud. Ryan Somma, Wikimedia Commons

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Game Hunters

Findings from the site revealed more than the age of the human fossils, however. Plenty of gazelle meat, with the occasional wildebeest, zebra and other game and perhaps the seasonal ostrich egg, were among the finds that revealed the diet of these early ancestors, says Teresa Steele, a paleoanthropologist at the University of California, Davis, who analyzed animal fossils at Jebel Irhoud.

Steele, who studies how food sources and environmental change influenced human evolution and migration, was part of the international research team that began excavating at the site in 2004. She is the co-author of one of the two papers featured on the cover of the June 8 issue of Nature: “Human origins: Moroccan remains push back date for the emergence of Homo sapiens.”

Steele sifted through hundreds of fossil bones and shells found at the site, identifying 472 of them to species as well as recording cut marks and breaks indicating which ones had been food for humans.

Most of the animal bones came from gazelles. Among the other remains, Steele also identified hartebeests, wildebeests, zebras, buffalos, porcupines, hares, tortoises, freshwater molluscs, snakes and ostrich egg shells.

Small game was a small percentage of the remains. “It really seemed like people were fond of hunting,” she said.

Cuts and breaks on long bones indicate that humans broke them open, likely to eat the marrow, she said. Leopard, hyena and other predators’ fossils were among the finds, but Steele found little evidence that the nonhuman predators had gnawed on the gazelle and other prey.

Steele said the findings support the idea that the Middle Stone Age began just over 300,000 years ago, and that important changes in modern human biology and behaviour were taking place across most of Africa then.

“In my view, what it does is to continue to make it more feasible that North Africa had a role to play in the evolution of modern humans.”

Adapted and edited from three article sources: University of California – Davis , Griffith University , and Max Planck Gesellschaft news releases

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Travel and learn with Far Horizons.

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winter2016ebookcover

 This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

  

 

 

 

 

5,000 Years of Native American Moundbuilding

PHILADELPHIA, PA 2017—The Great Pyramids in Egypt, Stonehenge in England, and the Maya city of Teotihuacan were all built thousands of years ago. Add to that list of extraordinary achievements the earthen mounds—some rising to heights of 70 or 100 feet, some more than 5,000 years old—that dot the landscape of North America.

Moundbuilders: Ancient Architects of North America, a new exhibition opening June 24 at the Penn Museum in Philadelphia, tells the sometimes enigmatic story of more than 5,000 years of Native American moundbuilding through photographs, archival excavation records, and more than 60 artifacts excavated at mound sites throughout the eastern United States. The exhibition runs through December 2017.

About the Mounds

Earthen mounds—including some of the earliest monumental constructions in the world— have been engineered by diverse Native American groups over millennia. Yet the sizes, shapes, and purposes of mounds have varied greatly over time and geographical distance. Mounds have played and continue to play important roles in the religious, social, and political lives of Native American people. Some have been burial mounds; others have been centers of trade and community gatherings; still others have served as the foundations for important buildings or activities.

Archaeologists, fascinated by the extraordinary engineering feats of the moundbuilders, have been excavating and mapping this tradition since the 18th century. To date, many thousands of mounds have been discovered, from those at Cahokia, the massive Native American city outside Saint Louis, Missouri, to smaller mound sites like Smith Creek in Mississippi where the Penn Museum currently excavates. Over time, many mounds have been destroyed by farmers or leveled due to urban expansion; many more are believed to exist, not yet discovered.

A Chronological Approach

Moundbuilders explores the changing patterns of the construction and use of Native American mounds through time, beginning with the earliest known mounds, built by small groups of hunter-gatherers in the Lower Mississippi Valley as early as 3700 BCE. Without the help of metal tools, these early mound builders worked by hand moving basket loads of dirt. By 1400 BCE, the Poverty Point site in Louisiana was home to mounds that required thousands of laborers. In addition, exquisitely carved stone artifacts uncovered at the site suggest specialized artisans and an extensive trade network for materials.

Moundbuilding became much more common in later years. These constructions began to serve as burial places and certain burials were accompanied by elaborate grave goods. Some sites, like those associated with the Hopewell culture in Ohio (1 to 400 CE), included huge geometric enclosures that served as ceremonial centers for the surrounding populations. Around 600 CE, dramatic shifts in moundbuilding practices occured. In the Upper Mississippi Valley, people built thousands of effigy mounds in the shapes of animals. Further south, flat-topped platform mounds were built, serving as foundations for structures or stages for public activities.

Platform mounds were the most common mound form in the centuries leading up to European contact when corn agriculture developed and people congregated in major cities ruled by powerful chiefs.  Though moundbuilding had largely ceased, some of these sites were still occupied when Europeans visited them in the 16th and 17thcenturies. A small renaissance of moundbuilding has begun today, as the Eastern Band of Cherokee Indians continues to construct the Kituwah mound in the mountains of North Carolina.

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Mound B from atop Mound A (Great Temple Mound), Etowah Mounds, Near Cartersville,Georgiaca. 1250 CE. This black and white photograph by Tom Patton shows one of many large Mississippian period mound centers that dotted the landscape of eastern North America before European contact. Image courtesy Penn Museum

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Artifacts from the Mounds

The exhibition includes excavated artifacts made from a variety of materials, including stone, such as the intricately carved underwater panther boatstone believed to be used as a weight on a spear thrower; ceramic, such as pots formed in the shape of human effigy figures; and shell, such as pendants from Key Marco, Florida. These latter objects bear sacred designs associated with the Southeastern Ceremonial Complex—a system of signs and symbols shared among different groups living hundreds of miles apart ca. 1000 – 1500 CE. In addition, visitors have an insider’s view into modern-day mound excavation through video footage of Dr. Kassabaum and her students excavating at Smith Creek in 2015. A case displaying hundreds of artifacts recovered on that expedition gives the visitor a sense of what most archaeological material looks like right after it is excavated.

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Clay jar. 1200–1500 CE (Mississippian). Arkansas, Montgomery County. This ancient Mississippian Period ceramic jar, 17 cm tall by 18.5 cm wide, is from Arkansas. The style of decoration can help archaeologists determine when and where a pot was made, and the shape and size of the vessel can point to the types of activities taking place at the site. Image courtesy Penn Museum

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Gorget (Ornament) Shell. 800–1400 CE (Late Woodland or Mississippian). Florida, Key Marco. The iconography on objects made of shell, bone, ceramic, stone, and copper speak to the belief systems of Mississippian people. The cross motif on this shell piece is thought to symbolize the center of the world and was part of a shared system of signs and symbols called the Southeastern Ceremonial Complex. 13 cm long by 12 cm wide.  Courtesy Penn Museum
 
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Photographing the Mounds

Photographing the North American mounds, often surrounded by lush greenery, farm fields, or nearby roadways, can be a challenge. For this exhibition, 38 photographs, the black and white work of two contemporary photographers—Jenny Ellerbe and Tom Patton—is featured. Their work captures the serene quality of these ancient sites while also illustrating how they are squeezed into today’s modern landscapes.

About the Curator

Dr. Megan Kassabaum, Weingarten Assistant Curator for North America at the Penn Museum and an archaeologist who directs the Smith Creek Archaeological Project, is curator of the exhibition. She has worked on mound sites throughout the eastern United States since 1999. Since 2005, she has worked in the Lower Mississippi Valley, exploring mounds constructed by the Coles Creek culture (700 to 1200 CE). As part of this fieldwork, she leads tours of many of the mound sites that are publically visible and has helped to develop a driving trail that allows visitors to explore sites that were built over the course of 5000 years along the Mississippi River.

“You don’t need a passport to visit extraordinary ancient monuments,” she noted. “I hope this exhibition will encourage more Americans to visit mound sites and gain a better understanding of the deep history of Native American peoples who’ve lived in North America for many thousands of years.”

Article Source: Penn Museum news release


The Penn Museum (the University of Pennsylvania Museum of Archaeology and Anthropology) is dedicated to the study and understanding of human history and diversity. Founded in 1887, the Museum has sent more than 300 archaeological and anthropological expeditions to all the inhabited continents of the world. With an active exhibition schedule and educational programming for children and adults, the Museum offers the public an opportunity to share in the ongoing discovery of humankind’s collective heritage.

The Penn Museum is located at 3260 South Street, Philadelphia, PA 19104 (on Penn’s campus, across from Franklin Field). Public transportation to the Museum is available via SEPTA’s Regional Rail Line at University City Station; the Market-Frankford Subway Line at 34th Street Station; trolley routes 11, 13, 34, and 36; and bus routes 21, 30, 40, and 42. Museum hours are Tuesday through Sunday10:00 am to 5:00 pm, and first Wednesdays of each month until 8:00 pm, with P.M. @ PENN MUSEUM evening programs offered Wednesdays, June 28 through September 6. Closed Mondays and holidays. Admission donation is $15 for adults; $13 for senior citizens (65 and above); free for U.S. Military; $10 for children and full-time students with ID; free to Members, PennCard holders, and children 5 and younger. July and August: special admission donation is $10 for adults, seniors, children (6 to 17) and full time students with ID.

Hot and cold meals and light refreshments are offered to visitors with or without Museum admission in The Pepper Mill Café; the Museum Shop offers a wide selection of gifts, books, games, clothing and jewelry. Penn Museum can be found on the web at www.penn.museum. For general information call 215.898.4000. For group tour information call 215.746.8183.

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winter2016ebookcover

 This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

  

 

 

 

 

Seeing the World with Dr. Kate

It would not be inaccurate to say that most archaeologists spend much of their lives within the narrow parameters defined by chosen areas of specialization. Some have even spent most of their entire careers focusing on a single archaeological site and what the site says about its particular corner of history and culture. Put together, the sum of these efforts and experiences across the world can paint a fascinating mosaic of our past, while raising a barrage of new questions at the same time.  

At times some archaeologists, however, have chosen to deal with the broad brush of archaeological inquiry. For a variety of reasons, they elect to stand back and view the entire panorama of discovery and research, whether it is for the purpose of writing a book or teaching a class. 

A few may even travel the world to do this. 

Kate Leonard, an adventurous Canadian archaeologist, did just that. Beginning in January, 2016, she embarked on a global journey to twelve different destinations in 12 months to explore and reveal a taste of the vast variety of digs and research going on across the globe. Calling it the “Year of Digs”, or Global Archaeology Year, she created a website and blog to document and publicize her journey, bringing the world of archaeology across the world, as she hopped from one destination to another, to the smartphones, tablets and laptops of thousands of readers, young and old. Popular Archaeology also followed her on that journey with a series of articles. 

Here is a final interview of Kate, capping what for her and many of her readers was a truly unique learning experience in the world of archaeology, beginning with her first stop in New Zealand and ending in Switzerland:

 

Questions: What unique or interesting experiences did you encounter or acquire (people, places, events) that you think are worth noting; what is the significance and impact (potential or real) of the work being done; and, what have you learned from this that you did not know or experience before?

 

New Zealand

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On my first stop, I excavated Maori horticultural sites that likely date to before the arrival of Europeans in New Zealand. The types of features we were encountering were: kumara storage pits and structures, borrow pits (large pits dug by the Maori to remove sand beneath the natural subsoil to help them mix and cultivate their soils for horticulture), fire pits and post-holes. The two sites I worked on were located in the Bay of Plenty region and in the Waikato region of the North Island. My tasks were to excavate and record archaeological features in advance of infrastructural development. This involved investigating features to see if they were archaeological, excavating half of the feature if it was archaeological and then recording it through photographs, soil samples, plans and context sheets. Another major component of the excavations was working closely with iwi monitors to ensure an atmosphere of mutual understanding and respect. 

In New Zealand all archaeological excavations are monitored by a member of the local iwi. In the Bay of Plenty region the iwi monitor was an elder of that community and was there to observe and comment. In the Waikato the iwi decided to have four members involved on a rotating basis and interact directly with the archaeologists to learn about the process of doing archaeology and what we were finding on the site. This was a very exciting and enriching experience for me because I learned more about the archaeology I was excavating through explaining the methodology behind it and hearing about the cultural practices that the archaeology reflects. I was also able to discuss the current political and cultural situation of the Maori people and how this has changed over the past 20 years (for the better). When you are working with another person in close proximity, for instance excavating a small archaeological feature together, it is easy to allow the conversation to flow and not feel forced like it could in a formal situation like an interview.  

In the case of the Bay of Plenty, this is the first time that archaeology has been recorded on that ridgeline, even though it is a residential area full of houses. For the local iwi the discovery of so much archaeology on that small strip of land confirms what their oral history already says. They now know the physical evidence of Maori occupation of that location. In the Waikato the impact is different but no less significant. By exposing members of the local iwi to the basics of archaeology the mystery surrounding what archaeologists are doing is removed. Since archaeologists have to work closely with the iwi when they are developing excavation plans this helps both sides to understand what is required and why. It also adds an additional dimension to the Maori understanding of their past and how daily activities like horticulture were practiced hundreds of years ago. 

I was not prepared for the sheer scale of some of the archaeological features we would be excavating. In the Waikato some of the borrow pits were 8m by 4m and over 2m deep. I had also not understood the level of complexity behind Maori horticultural practices and how much they had to augment the soils of New Zealand in order to grow the crops they brought with them from Polynesia. These practices were labor intensive and would have required an in-depth knowledge of their crops and how to manufacture soils to suit them.

For More See: https://popular-archaeology.com/issue/summer-2017/article/on-the-global-trail1

Image: Waikato borrow pit under excavation. Courtesy Kate Leonard  

Australia

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Willow Court is a large complex of buildings that functioned as a mental health institution from 1827 to 2000. It was originally named the New Norfolk Insane Asylum and was built to care for convicts transported to Tasmania by the British Government (then known as Van Diemens Land). I joined the archaeological team and field school being run at Willow Court by Dr. Heather Burke of Flinder’s University. The field school focused mainly on the exercise yard outside of Ward C, the original Barracks building and the contemporary Superintendents cottage, Frescati House. 

The main goal for the field school was to lay the groundwork for the excavations due to take place the next season. Specifically, mapping the institutional complex with a total station, doing geophysical surveys to identify sub-soil features and cataloguing artifacts in storage. One objective was to discern what artifacts and materials were retained since 1960, the processes involved in that retention, and what has been lost since. A complete archaeological recording of Frescati House was also in order to help the team and interest groups understand the construction pattern of the house as well as to record it. There was no good spatial data of the Willow Court complex or Frescati House so creating a comprehensive digital plan of the exterior areas (where future excavations may take place) was very important. The three types of geophysical equipment used were ground penetrating radar, an electrical resistivity device and a magnetic gradiometer. It is hoped that the results of the geophys will help the team to target areas to excavate next season. 

As you can imagine the local community of New Norfolk has to grapple with stigmatization due to the legacy of this type of institution operating for 170 years. The future of the Willow Court institutional complex is therefore a sensitive and contested issue. On a positive note, the archaeological investigations being conducted here should help all the stakeholders to understand the current state of the site and the artifacts associated with it. With that information hopefully a productive solution that suits all parties can be developed. There have been arguments since the 1960’s about turning the site into a museum or at least preserving it, however nothing has ever developed. As a result the site has fallen into disrepair and is a favorite spot for local teenagers to vandalize. Without cataloguing the known material no plan can be developed to move forward with the future of Willow Court, so it was of the utmost importance that each object be catalogued and documented properly. 

Although I was aware of Australia’s Convict Era and had some general knowledge of the severity of the penal system in place, the mental health repercussions had never crossed my mind. The journey in convict ships, physical punishment and mental punishment (such as solitary and silent confinement of prisoners in places like Port Arthur and Cascades Female Factory), and forced hard labor tested the limits of all the convicts minds and some were irreparably damaged by their experiences. Willow Court remained an important institution long after the Convict Era and that should serve to remind us that mental health affects all human populations in all time periods

For More See: https://popular-archaeology.com/issue/summer-2017/article/archaeologists-investigate-early-19th-century-asylum-of-old-tasmania

Image: The barracked bulding of Williow Court as it appears today. Courtesy K. Leonard 

 

Fiji

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The Archaeological Department of the Fiji Museum conducts Archaeological Impact Assessments (AIA’s) prior to the commencement of development projects (like the building of a resort) and in response to community requests. Communities often request AIA’s to be conducted on cultural significant sites that they perceive to be under threat (for instance by resort expansion) and that they would like to be protected by the government. Due to Cyclone Winston the fieldwork we conducted was directly associated with post-cyclone damage assessment. We traveled west from Suva to Nadi doing Archaeological Impact Assessments for communities and developers. We also conducted some post-cyclone assessments for national heritage sites like the Sigatoka Sand Dunes (where we had to do an unanticipated rescue lift of two human skeletons) and some WWII sites in Suva, and for a community administered site, the Tavuni Hill Fort. I was exposed to the full spectrum of Fijian archaeology in terms of both chronology and site type including Bourewa, site of the earliest known settlement in Fiji (c. 3100BP) and Momi Battery, a WWII gun emplacement site run by the National Trust of Fiji. 

The physical challenges to doing fieldwork in Fiji are the heat, humidity and mosquitoes. Dengue fever is also a concern, especially after a violent storm like a cyclone that leaves a lot of standing water. The pace of work is also very different from what I am accustomed to as a North American. There are certain protocols and sequences of interaction that must be followed in order to be considered polite. Essentially this entails discussions and gifting that lead up to the actual fieldwork, time during which most ‘westerners’ would be ‘chomping at the bit’ to get started. However, this aspect is very important to Fijians and it is considered disrespectful to do otherwise. When archaeologists go out into the field to conduct work they must first visit the village associated with the land/archaeological site they are interested in, and then participate in a sevusevu. This is a ceremony whereby kava (a mildly narcotic powdered root made into a drink) is exchanged and consumed. The ceremony not only allows for the exchange of information regarding where all the parties are from, their chiefly affiliations and what work they wish to conduct, but it is a way of showing respect. It is a great transgression to go onto a community’s land without conducting the sevusevu

The cultural heritage resource sector in Fiji is incredibly underdeveloped. The tourism sector has in the past focused on resorts and spas. However, there is now a move towards a new kind of tourist experience that includes village visits, home-stays, and natural/cultural experiences. It is essential for community groups that, if development along these lines takes place, their cultural sites are not negatively impacted. The work of the Archaeology Department of the Fiji Museum is crucial to the success of these processes. As they are a neutral institution they advise what is in the best interest of the archaeology, acting as best they can to ensure that the cultural heritage of Fiji remains accessible and available for all Fijians.

I had not anticipated the diversity of archaeological sites in Fiji. The archaeological collections held in storage by the Fiji Museum are impressive even though there have not been many archaeological investigations and there is still so much to discover and discuss. I was struck by how traditions and customs have remained important aspects of Fijian daily life, long after British colonization and the upheaval of WWII which brought many modernizations, especially in terms of infrastructural development. This has ensured that the culture remains vibrant. The country is very poor but the people have an infectious positive attitude. This was especially apparent in the aftermath of Cyclone Winston. Homes and livelihoods had been destroyed but people were focused on rebuilding and considered themselves blessed that so few people had been hurt. Such a positive outlook on life is inspirational.

For More See: https://popular-archaeology.com/issue/summer-2017/article/archaeologists-survey-damage-from-cyclone-winston-in-fiji

Image: Fragments of ceramic salt drying trays. Image courtesy Kate Leonard and the Fiji Museum 

Mexico

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My experience in Mexico took place in the small village of Tahcabo, in the center of the Yucatán Peninsula in Mexico. I worked with the Collaborative Archaeological Project of Eastern Yucatán (PACOY: Proyecto Arqueológico Colaborativo del Oriente de Yucatán). The principal investigators of the project were Dr. Patricia A. McAnany (UNC, InHerit) and Dr. Iván Batún Alpuche (UNO, AGEY). The excavation I participated on was under the direction of Field Coordinator Maia Dedrick, who is conducting primary research for her doctoral dissertation. In the this field season the team was excavating rejolladas and abandoned settlements in order to better understand changes in Maya horticultural practices that took place when the Spaniards first came to the area around Tahcabo. Rejolladas are natural solution sinkholes in the karstic limestone that collect rich soils ideal for cultivation. The rejolladas located in the village of Tahcabo itself are still actively used for gardening, for making earth ovens (píib) and for conducting the Ch’a’ Cháak rain ceremony. There are usually chickens wandering through and there could be vegetables growing, tree crops, animals, or some other activity taking place. As part of her dissertation research, Field Coordinator Dedrick is examining changes in how food was grown in Tahcabo’s rejolladas from the Classic period through the Spanish colonization of Mexico (ca. 600-1800 CE). It is hoped that these investigations will shed more light on how sweeping social changes affected community organization, agricultural production, and food preparation. To achieve this, the excavation provides samples for analysis of macro- and micro-botanical remains and soil chemistry.

Dedrick excavated 2m x 2m trenches in six of Tahcabo’s rejolladas. From pre-determined depths within the trenches the team systematically took archaeo-botanical samples such as charcoal for C14 dating, 30 liters of soil for flotation, around 30 grams of soil for both carbon isotope analysis and pollen analysis, and about 100 grams of soil for phytolith and starch grain analysis. Since each 20cm depth is being sampled in so many ways Maia will have many pieces of evidence to figure out the puzzle of ancient Maya gardening in Tahcabo’s rejolladas. By collecting C14 samples for each layer it will be possible to find out if the types of plants grown changed over time. It’s possible that the results will show how gardening practices in Tahcabo changed after the arrival of the Spaniards to Mexico.

A very important component of the Project is community involvement. The excavation sites are located within the municipal boundaries and the residents of Tahcabo are actively encouraged to participate in all aspects of the project. We often had visitors to the rejolladas we were excavating in and were of course working alongside people from the local community. The excavations were a good opportunity for a few months of consistent paid work and the knowledge of the local area that they brought to the project was highly valued. Students from the Universidad de Oriente (UNO) and Universidad Autonoma de Yucatán (UADY) are also active members of the project, an initiative that provides an opportunity for the younger generation, including those who themselves speak Maya, to study local Maya culture, anthropology and archaeology. Wider dissemination will come in the form of educational materials and reports (in Spanish and Yucatec Maya) composed by Dedrick in collaboration with the non-profit group InHerit.

For More See: https://popular-archaeology.com/issue/summer-2017/article/digging-the-secrets-of-maya-gardeners-in-the-yucatan

Image: Planning limestone at the end of an ancient settlement mound. Photo by M. Dedrick of PACOY 

South Africa

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My next stop was in South Africa, at a series of cave shelters at Pinnacle Point on the southern coast. The first cave to be excavated, PP13B, has given us the earliest evidence for human consumption of shellfish – dated to around 164 000 years ago. Cave PP13B also contained evidence for early use of ochre pigment and heat treatment of stone artifacts.  PP5-6 has provided the earliest known evidence for the knapping of microliths to make composite tools (possibly the earliest evidence for projectile points around 71 000 years ago), and to make those microliths they focused on heat treatment to improve the stone. Today a large interdisciplinary team is working together at the rockshelter PP5-6 to provide a fuller context within which to understand how early humans were living in this area many tens of thousands of years ago. The archaeological material being excavated at Pinnacle Point is providing information about the evolution of modern humans and therefore its importance goes beyond that of a single country or cultural group – this is how our shared human story began. The types of innovations that have been revealed by the excavations in the cave shelter complex share some major traits: cooperation, organization and planning. For example, the archaeological evidence of shellfish collecting implies a knowledge/awareness of lunar cycle as this activity can only be done at low spring tide (a new and full moon). Once this knowledge began to be implemented to harvest shellfish the people living at Pinnacle Point had a predictable source of calorie rich protein with which to supplement their diet.

PP5-6 contains archaeological material that dates from between 90 – 50 000 years ago. There is one long section through the entire cave shelter that connects all the stratigraphic layers from the earliest to the latest. The stratigraphy at the base of the ‘long section’ is so deep that it has been completely buttressed with sandbags. I had never excavated such ancient archaeology before and I was keenly aware of this. At Pinnacle Point the level of detail being recorded was truly astounding. A really exciting innovative technique developed by the Pinnacle Point team is the use of barcode scanners to record all artifacts, samples, sieved buckets and archaeological features (lot numbers, stratigraphic units, contexts, etc.). The barcode scanners are directly connected to a handheld computer that is connected to a total station (a high tech piece of survey equipment that makes digital 3D maps). Each time an artifact is found its coordinate in 3D space is plotted with the total station and this information is stored in that total station’s tablet. A barcode is then scanned and placed in a bag with the artifact. Each artifact gets its own individual barcode. Since the archaeological feature that artifact came from also has a barcode (previously scanned into the system) when the artifacts are analyzed and catalogued back at the lab the barcode is simply scanned again to access all data associated with that artifact and the location it came from in the excavation. There are two recorders on site and each is responsible for all the forms and logs for half the excavation. The excavators and recorders work together to ensure that all information logged is correct: the sediment excavated (its color, texture, moisture level and composition), the artifacts uncovered (types, amount, orientation and distribution), samples collected, photographs taken, and much more. Tablets are great pieces of tech for doing this type of work! They are lightweight and mobile so can easily be carried around an archaeological site from excavator to excavator. A really nice feature is the ability to take a photo with the tablet, draw on the photo and make notes related to what was excavated and what still needs to be excavated, then upload it directly onto the stratigraphic unit form on the tablet. It is amazing to see the activity on site with excavators furiously digging, the site recorders moving between their workstation and the excavators, and 5 total stations being run simultaneously to keep up with the amount of archaeology being revealed.

In the end, the excavations at Pinnacle Point are teaching us about the complex lives of our earliest human ancestors. It is possible that the individuals that created the archaeological remains being unearthed are the ancestors of those humans who went on to populate the globe.

For More See: https://popular-archaeology.com/issue/summer-2017/article/discovering-our-ingenious-early-human-ancestors

Image: The team working at the lower end of the excavation in PP 5-6. Courtesy Kate Leonard 

Greece

greece

In Greece, I worked with the Stélida Naxos Archaeological Project (SNAP), an international team led by Dr. Tristan Carter of McMaster University through the Canadian Institute in Greece, along with his co-director Dr. Demetris Athanasoulis of the Cycladic Ephorate of Antiquities of the Hellenic Republic’s Ministry of Culture and Sports. This team is investigating the hilly peninsula of Stélida on the island’s western coast, home to the earliest known archaeological site in the region. The hill itself is basically one big chert source where people came to get raw material for making stone tools since the Lower Palaeolithic (at least 250,000 years ago) and through to the Mesolithic (to 9,000 years ago). What is being found in the excavations are the leftovers from thousands of years of removing chert from the outcrops and the roughing out of stone tools. This isn’t necessarily where hominins and, later on, humans lived — instead, the archaeological material being uncovered indicates that Stélida was a place returned to again and again to extract chert from which to make sharp and durable tools. At Stélida there is known Middle Palaeolithic activity identified from diagnostic prepared core technology, demonstrating that some of the anthropogenic material found here can be securely dated to the time when Neanderthals were living in Europe. It is also possible that there were other hominid species taking away and using Stélida chert even earlier, suggested by the tantalizing evidence for Lower Palaeolithic activity in the form of possible bifaces that could be interpreted as handaxes; these large heavy tools could have been made by Homo heidelbergensis, the predecessor of the Neanderthals in Europe. The possibility for evidence of these early hominids living on what are now the Cycladic islands has not been seriously investigated before and if conclusively verified will change how we understand the movements of hominids across the globe.

A very early site that was primarily used as a raw material source doesn’t necessarily contain all the lovely (easily identified) stone tools that would be found on a habitation site — instead, you find the leftovers from making these stone tools. There is so much lithic material being found at Stélida that the team struggles to wash it so the lithic specialist can assess it and inform the team of diagnostic pieces uncovered. I was tasked with excavating a 2m x 2m trench about ¾ of the way up the hill that was positioned immediately at the base of a substantial chert outcrop. Until I had excavated about a meter below the modern ground surface half of the soil was full of stone tool making leftovers (debitage) and identifying the lithic material was initially a challenge for me.

Not only is Stélida a stunningly beautiful location to dig, but there is the possibility that my contribution to the project will help us better understand how hominids and humans spread across the globe. It was exciting to be part of a project that is asking difficult questions and trying to reassess how we are interpreting the archaeological record. The debris left behind as raw material was selected and worked from the same locations over thousands and thousands of years. This can inform archaeologists about the different behaviors and skills of these hominids. This exciting groundbreaking research is investigating a previously overlooked region of Greece for possible alternative routeways for Homo sapiens and their ancient predecessors’ movements from Africa into Europe and Asia.

For More See: https://popular-archaeology.com/issue/summer-2017/article/the-ancient-workshop-of-naxos

Image: A view of the trench where Kate was excavating. Courtesy Kate Leonard  

Ireland

ireland

The next stop was Ireland, with the Caherconnell Archaeology Field School (CAFS), directed by Dr. Michelle Comber. Caherconnell Cashel is a possible indigenous royal settlement occupied from the 10th century to the 15th/16th centuries AD. The ‘cashel’ is a drystone (no mortar) enclosure: a 4m-high limestone wall enclosing a circular area that contained dwellings, the enclosure having an east-facing entrance. Already the excavations in the interior of the cashel have revealed evidence for a series of occupation/building phases that indicate a long period of use. Many medieval artifacts have been uncovered, such as clothes-fastening pins (aka dress pins) of various styles, glass and amber beads, iron knives and shears, and intricately carved bone hair combs. Stone walls, animal bone and finely worked metal objects all come together to tell the story of the medieval ‘native’ Irish Gaelic people who lived and worked at Caherconnell  –- a story not fully told through written history. The seasonal digs at Caherconnell are helping archaeologists and historians to better understand the lifestyle of Gaelic Irish people in the medieval period, a period whose narrative is often dominated by the archaeology, architecture and politics of the invading Anglo-Normans (from the 12th century AD). It is very important that the story of the native population be put back into the narrative of medieval Ireland. Understanding the daily lives of Caherconnell’s medieval occupants can help to fill-out this narrative and the underlying limestone bedrock of the region creates an alkaline condition (non-acidic) that preserves bone wonderfully, thus allowing for a fuller understanding of the average diet. The large animal bone assemblage from the site indicates that the cashel’s occupants throughout the medieval period had a rich varied diet including pig, sheep/goat and cow milk products and meat, fish, shellfish, and poultry which also means eggs. The meat in their diet was supplemented with gathered herbs, fruits and nuts (like the ever present hazelnut!), and cereal grains like barley, oats, rye and wheat ground by hand into flour and/or meal using heavy stone rotary querns.

Since I worked with Dr. Comber on a nearby project (for three seasons) in the past I was asked to help supervise the students on-site. Most of the students had never excavated before and it is great fun to dig beside them and experience the joys and disappointments of being a rookie ‘digger’ as they did. The bedrock is very close to the topsoil (in some cases only 10cm but in others can be up to a meter in depth) in the Burren and so a large area can be excavated down to the natural level in a short period of time. I was digging in an area of the site where the foundations of a round structure, and associated internal features, were revealed that likely date to the earliest occupation of the cashel – the 10th century AD. This structure appears to have been some sort of kitchen/workshop area.

The stone fort itself is open to the public through the Visitor Center (which has a wonderful cafe!). This working farm and tourist destination is run by Mr. John Davoren, the landowner, and is a shining example of an archaeological site integrated into a sustainable family business.

For More See: https://popular-archaeology.com/issue/summer-2017/article/digging-irish-history

Image: Field school team members excavating at the site of the Caherconnell Cashel. Courtesy Kate Leonard  

Portugal

portugal

In Portugal, I participated in an excavation led by site directors Miguel Serra and Eduardo Porfirio and supervisor Sofia Eiras. They investigated the Late Bronze Age (1250-850 BC) fortified hilltop settlement of Outeiro do Circo in the Alentejo plain of southern Portugal. The site covers about 17 hectares. This huge area was enclosed by a complex defensive system: a double wall of stone, fire hardened clay and wood was augmented with bastions, ramps, platforms and an exterior retaining wall built on a disused ditch. By its size alone it is clear that Outeiro do Circo was an important location in the region and this season the team was investigating the interior area. The team opened a number of trenches on the summit of the hilltop and just inside the enclosing wall. Their goal was to gain a better understanding of what went on inside the wall during the Late Bronze Age and to assess the level of disturbance to the archaeology from modern farming. Outeiro do Circo is one of the largest settlements of this time period in the Iberian Peninsula. It is also situated in an area which has (relatively recently) undergone significant archaeological investigation due to infrastructure development. Because of this development it is now known that the large fortified Outeiro do Circo settlement was not isolated in the Late Bronze Age but was in fact located in a landscape dotted with small contemporary settlements – a perspective which drastically changed archaeological understanding of this regions Bronze Age.

I was tasked with digging a trench on the northwestern slope of the hill within the line of the wall. Within the trench some exciting evidence of Bronze Age activity was found – including a cup-marked stone and various types of diagnostic pottery. One morning when I arrived on site the sunrise was slanting across the site and I noticed some indentations on one of the larger stones in the trench. As I excavated this stone it became clear that it was decorated with prehistoric cup-marks, intentionally created by one or more people and then positioned in the Late Bronze Age structural feature we were revealing. Cup-marked stones, or in Portuguese “rochas com covinhas” – or just “covinhas” for short -are a type of prehistoric decorated stone found across western Europe. They are difficult to date but are certainly prehistoric – Neolithic, Copper Age and/or Early Bronze Age – and have frequently been found reused on later prehistoric sites, as is the case at Outeiro do Circo. The cup-marked stone from my trench is the fourth found at Outeiro do Circo. One was found at the base of a deep Late Bronze Age pit close to the summit of the hilltop and another was used in the construction of the top course of the enclosing wall. The fourth is a large boulder that sits in situ where it was decorated. This has by far the most cup-marks on it and is located in a part of the hill that would have been ideal for settlement. This stone must have been known about in the Late Bronze Age when the hill was being fortified. The cup-marked stones found at Outeiro do Circo were not reused in a context that could be interpreted as particularly special or religious, but still….the three smaller stones were integrated into the construction of features on the hilltop. It is particularly intriguing to me that here there are both smaller cup-marked stones that were moved from their original position to be reused and the large boulder that still sits where it was decorated.

Fragments of pottery from the Chalcolithic to the Roman period have been found on the ground surface at Outeiro do Circo but by far the most common are those from the Late Bronze Age.  The archaeological investigations being conducted by the team here are helping to paint a vivid picture of it as an important Late Bronze Age settlement in what seems to have been a thriving region. 

The Projecto Outeiro do Circo is highly engaged with the local community. They frequently post their findings on the project blog (http://outeirodocirco.blogspot.pt) and have regular evening talks about the project or topics related to it. The project also organizes site visits and workshops for children’s groups (and adults) over the summer. An even bigger initiative is the “12 Lugares, 12 Meses, 12 Histórias”, which involves the eleven regions around the central town of Beja showcasing their Bronze Age sites through walks and talks. This initiative was organized after I contacted the site director, Miguel Serra, about volunteering with them for month 8 of my 12 countries – 12 projects – 12 months Global Archaeology year.

For More See: https://popular-archaeology.com/issue/summer-2017/article/archaeologists-excavate-a-late-bronze-age-settlement-in-portugal

Image: The cup-marked stone emerging from the trench. Photo courtesy Kate Leonard

Scotland

scotland

In Scotland, the Heritage and Archaeological Research Practice (HARP) has been collaborating with the Mull Archaeology Interest Group (MAIG) to investigate the small abandoned historic settlement of Kildavie in the North West Mull Community Woodland of Langamull on the Isle of Mull in the Inner Hedrides off the west coast of Scotland. The HARP team run a seasonal field school that excavates the remains of the Kildavie settlement which was occupied in the 17th and 18th centuries before its full abandonment. Sixteen buildings have already been identified on the site – mainly domestic dwellings, though the site may include locations of cottage industry. The reason for its final abandonment is unknown, as is the origin of the settlement. As part of Scotland’s Rural Past project Kildavie was surveyed by the Mull Archaeological Interest Group (MAIG), who mapped the general layout of the settlement’s buildings and enclosures which showed that the (approximately sixteen) buildings conform to a general shape and style of construction. Further analysis of the settlement over the past few excavation seasons has highlighted variety between structures that casts uncertainty on how each was used. While there is a grand narrative about the Highland Clearances in this part of the country – with some very real and harrowing accounts to go along with it – the story is not straightforward in every case. While some people were quickly forced out of their homes, other places were more gradually abandoned and Kildavie may be one of these.

HARP targeted three areas of the abandoned village for excavation during the season in which I participated: each focused on a different style of structure.  Above all else the archaeological team is hoping that the excavations at Kildavie and the objects uncovered will provide more information about the lives of those who lived there. In the historic records there is no complete description of the number of people living in the settlement and what their occupations were. By excavating as wide a variety of structures as possible the team hopes to identify differences in dates of occupation and use of the structures. The team is also investigating the possibility that one or two of the structures were built for something other than a domestic dwelling, for instance for a cottage industry. It also seems that some buildings were ‘renovated’ and re-used for another purpose. This type of later reuse can be seen in the small dividing walls built in some of the structures, possibly after they went out of use as a home.

Historic archaeologists can often use written records and maps to identify sites and discover details about people who lived in the past. But equally there are aspects of past lives that were not recorded and can’t be learned from ledgers and letters. The investigations being conducted by HARP at Kildavie are a perfect example of how physical remains uncovered through archaeology can expand our understanding of historic records. 

For More See: https://popular-archaeology.com/issue/summer-2017/article/uncovering-mysteries-on-the-isle-of-mull

Image: Revealing unwritten history through archaeology: Investigation of the structures and the associated artifacts will help shed light on the functions of the structures and the lives of the people who once occupied them. Photo courtesy Kate Leonard 

Hawai`i

hawaii

My next stop was Honolulu on the Hawaiian island of Oʻahu with the Archaeology Collections in the Anthropology Department of the Bernice Pauahi Bishop Museum, which is also the Hawaiʻi State Museum of Natural and Cultural History. The primary purpose of the Bernice Pauahi Bishop Museum is to serve and represent the interests of Native Hawaiians. In addition to the main exhibition areas that feature Hawaiian and Pacific natural and cultural history, the museum has an active program of rotating exhibits. The Bishop Museum staff is working to use their existing collections to develop dynamic programming for its visitors. Princess Bernice Pauahi Bishop was the last member of the royal Kamehameha Dynasty which ruled the (then) Kingdom of Hawaiʻi from 1810 – 1872. After she died in 1884, her husband, Charles Reed Bishop, founded the museum to honor her memory and to house the royal heirlooms she had inherited. The Bishop Museum was built on the grounds of the original Kamehameha Schools boys’ campus. An original school building, Bishop Hall, still stands on the museum grounds and one day will hopefully be restored to its former glory. In 1898, Charles Bishop had Hawaiian Hall and Polynesian Hall constructed, now both on the National Register of Historic Places. Today the Bishop Museum also has modern extensions such as the planetarium and is considered the premier natural and cultural history institution in the Pacific. 

One of my tasks at the Museum was to scan and crop archival photos from the Stokes Collection. Together with William Brigham, the first director of the Bishop Museum, John F. G. Stokes was part of the first major archaeological survey of Hawaiian heiau in 1906-1909. These photos of archaeological sites, people and places are a record of Hawai‘i long before the tourists and resorts arrived. Some of these collections will soon be available through a new online database, and through them we can see the Hawai‘i that Brigham and Stokes were exploring over 100 years ago. I also helped to catalogue donated thin section slides of 3,000-year old Lapita pottery from the western Pacific that was studied by William Dickinson, who was one of the foremost experts in this area. These are thin slices of pottery sherds cut with a diamond saw and ground flat until they are microns thin and can be mounted on a glass slide. The slides can be examined under a powerful microscope to identify the minerals contained in the pottery, which can tell archaeologists about the type of clay and inclusions used to form the pottery, which can then be used to track the movement of raw materials. Once completed, this catalogue will be accessible to interested researchers from all over the world. 

Today the Anthropology Department at the Bishop Museum is focused on using their existing collections in new research projects. The team is passionate about using non-destructive techniques to continue to learn more about the cultural and natural history of Hawaiʻi and the Pacific Islands. I got to see the team in action, zapping stone adzes with their portable XRF (x-ray fluorescence) machine. This device determines the elemental composition of a stone, which can tell archaeologists where it is from in the world. The Anthropology Department is particularly involved in the Hoʻomaka Hou Research Initiative and the Hawaiian Archaeological Survey project. One outcome of the Hoʻomaka Hou Research Initiative is the publicly accessible Online Fishhook Database, featuring over 4000 fishhooks from three sites excavated on Hawaiʻi Island in the 1950s by a joint Bishop Museum and University of Hawaiʻi team.

The creation of online databases so both researchers and the public can access and explore collections remotely is an important component of the work currently being done by the Bishop Museum, and the projects I worked on directly contribute to this on-going effort. There is a continuously rotating squad of volunteers who work diligently to process and digitize the Archaeology Collections of the Anthropology Department. Already this work had produced results: the Ho‘omaka Hou Research Initiative Online Fishhook Database, the Hawaiian Archaeological Survey (HAS) Database, and the Rapa Nui Interactive Radiocarbon Database can all be accessed online through the Bishop Museum website. The Hawaiian Archaeological Survey (HAS) Database is a searchable catalogue of over 12800 Hawaiian archaeological sites investigated by Bishop Museum archaeologists – a valuable resource for anyone interested in learning more about Hawaiian archaeology.

For More See: https://popular-archaeology.com/issue/summer-2017/article/a-national-treasure-tells-the-story-of-hawaiis-heritage

Image: Today the Bishop Museum is considered the premier natural and cultural history institution in the Pacific. Courtesy Kate Leonard 

Canada

The almost thirty galleries of the Royal Ontario Museum (ROM) in Toronto, Ontario, Canada, display everything from T-Rex skeletons to Roman coins to Samurai armour – it is a museum that brings the world to the city of Toronto while showcasing Toronto’s architectural history to the world. Many of the ROM’s objects and materials were collected at the end of the heyday of collecting in the 1920’s. At this time Canada was much more integrated into the British Empire (with some of the provinces not even part of Canada yet) and so many collections were donated to the ROM from British officials who had travelled abroad. The correspondence of the ROM’s first curator of archaeology, Charles Trick Currelly, is very interesting to read as these letters reveal the vast global network of agents when museums everywhere used to acquire new and interesting objects. It often wasn’t possible for museum staff to travel to far flung places and so agents were used to identify and obtain new pieces for museum collections. The ROM came into being one hundred and fourteen years ago, on April 16, 1912, when the ROM Act was signed in the province of Ontario Legislature. This piece of law outlined the parameters of the museum and gave equal power over funding and development to the province and to the University of Toronto. About two years later the Royal Ontario Museums of Archaeology, Palaeontology, Mineralogy, Zoology and Geology were opened to the public. The original five galleries each housed a different museum: it wasn’t until 1955 that the five museums were amalgamated into one. In 1933 a new eastern wing facing Toronto’s Queen’s Park was opened to the public in the midst of the Great Depression. This wing and the original 1914 museum are today listed as heritage buildings of Toronto. The ROM continues to exhibit material from the five original museum themes of Archaeology, Palaeontology, Mineralogy, Zoology and Geology but these are now under the umbrellas of Natural History, World Cultures and Hands-on Galleries, as well as Temporary and Ongoing special exhibitions.

When I arrived the Royal Ontario Museum’s Anthropology Department was in the midst of a big collection storage move. One of my tasks was to open boxes of excavated material that had been accessioned but not yet re-housed. It is important to remove objects from boxes and/or bags that are ripped or deteriorating to make sure that the archaeological material is protected and not separated from any important information written on its storage container. It is fascinating to see the types of bags and boxes that archaeologists sometimes used in the past. They took advantage of whatever they had on hand in the field: newspapers, matchboxes, cigarette boxes and even bankers bags! Today museum professionals use acid free boxes and plastic bags to keep the collections safe from pests and harmful environmental factors.

Working with the staff at the Royal Ontario Museum was a special treat for me because, as a Canadian from the province of Ontario, the ROM was one of the first museums I ever visited. I have childhood memories of being transfixed by the Egyptian mummies and Classical Greek vases on display. Visiting as an adult, the architecture of the museum is as fascinating to me as the archaeological and natural history objects it exhibits. The totem poles that stand in the eastern wing of the ROM have always been particularly intriguing to me and I was thrilled to learn that the staircases there they stand were actually constructed around them when the wing was built in 1933.

Switzerland

On my final stop, I worked at the Institut für Archäologie, Universität Zürich, Switzerland. The main focus of the Universität Zürich archaeology department is to train the next generation of archaeologists through class and lab work as well as archaeological excavations in Switzerland and abroad. Every archaeology student at the Universität Zürich must complete an archaeological field school as well as a ‘praktikum’ with a heritage service or museum, in addition to their regular coursework. By making a field school compulsory the department ensures that each student who completes their studies has an understanding of excavation procedures. Fieldwork isn’t for everyone and archaeology is the type of profession that needs many people working off-site to make the entire process run smoothly. However, it is very important that those archaeologists who don’t do fieldwork have a first-hand awareness of where the data, artifacts, and/or materials they are investigating come from. 

In order to facilitate the exchange of ideas and information more and more university departments are encouraging their staff and students to publish research in English. This allows for more international readership of their work. My task at the Institut für Archäologie of Universität Zürich was to edit an English language version of a multi-authored publication. Although there are many people at the university who can edit English documents, I was able to bring an archaeological perspective to the language and vocabulary needed to comprehensively communicate what the author intended. 

Each institutional sphere – academia, museum, government – of archaeology in Switzerland fit together like one of the country’s famous watches. Each has a role to play in the wider organization of excavation, recording, processing, and maintenance and must rely on the other components to bring projects to completion. There was fantastically preserved cultural heritage all around me as I walked to and from the Universität Zürich each day and I enjoyed learning more about the long history of this beautiful city.

Connecting with Global Archaeology

I have been very lucky that each project I participated in was very different in terms of the research questions. So not only did I get the chance to explore 12 new cultures and countries but I got first-hand experience with types of archaeology I never would have experienced if I hadn’t left my own research focuses. This journey was not all sunshine and trowels: there was a large dollop of extreme weather events (Cyclone Winston), vermin (rats, cockroaches, possums, mosquitoes, etc.), in addition to the culinary delights (from kava to spiced offal).

Even though the countries and projects were different, there are basic things about archaeology that are the same all around the world in terms of methodology and interpretation. Essentially we dig and record what we find. The recording systems are fairly consistent across the world (context sheets, photos, spreadsheets, etc.) but the level of detail recorded, the technology available (total station vs. measuring tape) and the level of training available varies. 

Since I was traveling with a purpose and a daily routine I was able to have experiences with local people and get insights into their lives and cultures that I have never had as a conventional tourist. Global Archaeology is about more than just digging holes, it is about making global connections — personal connections with the people I met and worked with, online connections with the people who followed my blog and posts, and connections between living people and people who lived in the past and shaped our world. Throughout the Global Archaeology journey I observed and participated in activities to inform communities about their local archaeology through outreach projects. Again and again I saw how effective archaeology can be as a mechanism for developing a sense of connection with the past. Holding an ancient object in your hand seems to bring the past very close to the present. Global Archaeology was, and still is, my vehicle for making and communicating these connections.

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Dr. Kate Leonard: Archaeologist & Adventurer

katepicKate is an archaeologist and adventurer who is passionate about sharing her love of archaeology with the world. Her doctoral research focused on the Irish Late Bronze Age but her fieldwork has no borders! Over her career Kate has surveyed, excavated, and worked in museum collections on four continents. In 2016 she set off on a self-directed project, Global Archaeology, where she participated in 12 projects in 12 countries in 12 months.  While lending an experienced helping hand to exciting archaeological projects she explored the world and documented the journey through social media (www.globalarchaeology.ca). For Kate, archaeology is fascinating because it reveals stories of our shared global past, but equally as important is the way these stories can connect people in the present. Now Kate has settled back in her home country of Canada where she is continuing to do archaeological writing while spending her days exploring the Rocky Mountains.

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winter2016ebookcover

This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

 

 

 

Found: The bones of Philip of Macedon, father of Alexander the Great?

More than four decades ago, archaeologists uncovered the skeletal remains of three individuals within a tomb located near the small town of Vergina in Macedonia, Greece. The bones, which were found scattered along the floor of what is described to be a comparatively modest tomb associated with the Great Tumulus, the resting place of some of the Kingdom of Macedonia’s most iconic early royal families, were identified to be those of an adult male in his 40’s, a young adult female, and a newborn infant. Arguably the most intriguing skeletal remains were those of the adult male, however — and more particularly two bones — a left femur and a left tibia, both of which showed signs of having fused together over time after an apparent severe wound to the knee caused by a sharp instrument, such as a spear. 

These characteristics, along with a host of other circumstantial findings within the tomb, along with historical accounts, seemed to point, according to scientists who recently studied the bones and the tomb, to a tantalizing conclusion — that the bones, and the true resting place of King Philip II of Macedon, father of Alexander the Great, had been found. But not all scholars are on board with the conclusions. Debate continues, and further studies surely follow.

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philipbones

 Left leg showing the massive knee ankylosis (fusion of the joint). Image courtesy of Javier Trueba

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Much more about this discovery can be found in an in-depth feature article published in Popular Archaeology.

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Cover image, top left: Hades abducting Persephone, fresco in the small royal tomb (Tomb 1) at Vergina, Macedonia, Greece. Wikimedia Commons

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Travel and learn with Far Horizons.

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winter2016ebookcover

 This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.

 

 

  

 

 

 

 

New research reveals earliest directly dated rock paintings from southern Africa

UNIVERSITY OF THE WITWATERSRAND—In a study published in the international journal Antiquity, Professor David Pearce, Director of the Rock Art Research Institute at the University of the Witwatersrand, Johannesburg, Adelphine Bonneau of Laval University, and colleagues at the University of Oxford showed that paintings in south-eastern Botswana are at least 5,500 years old, whilst paintings in Lesotho and the Eastern Cape Drakensberg, South Africa, date as far back as 3,000 years. These dates open the floodgates for researchers to ask and answer questions about the rock art that have baffled them for decades.

The dates obtained show some surprising results. In some sites, paintings continued to be made for more than a thousand years. “This is astonishing,” says Pearce, “people returned to the same rock shelters over very long periods of time to make rock paintings very similar to those made centuries or millennia before. This finding has profound implications for our understanding of hunter-gatherer religion in southern Africa.”

Research was conducted in the Thune Dam in Botswana, the Metolong Dam area in the Phuthiatsana Valley of Lesotho, and the Drakensberg Escarpment of the Eastern Cape in the ‘Nomansland’ region of South Africa. A total of 43 new dates were produced from these three areas, including the first direct dates on rock paintings ever in Botswana and Lesotho.

The new dates were obtained using radiocarbon dating. Over the decades rock art has proved extremely difficult to directly date. Indeed, it has been a major obstacle in this area of research. The success of this project is based on very careful chemical characterisation of the composition of the paint and contaminants on the rock. New chemical techniques were developed to remove contaminants from small samples of paint. These could then be dated using accelerator mass spectrometry (AMS) radiocarbon dating.

The two-phase research project entailed collecting tiny (less than a millimetre squared) quantities of pigment from the rock painting and then analysing these samples to determine which art should be sampled for AMS radiocarbon dating. The samples that contained the most carbon-black (and thus most likely to reveal dates) were then radiocarbon dated.

rockartpic2

 The dates reported in this study form the biggest set of direct dates on rock art in South Africa and the only direct dates ever obtained in Botswana and Lesotho.

Lead author, Bonneau, concludes in the paper: “This protocol is a step forward in the field of rock art dating by reducing the sample size to be collected, by optimising the success rate of such dating, and by limiting the impact on such valuable paintings while providing new chronological insights.”

Article Source: University of the Witwatersrand news release.

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Image above: Credit David Pearce

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Subscribe to Popular Archaeology Premium. Available on all laptops and mobile devices, and still the industry’s best value at only $9.00 annually.

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Travel and learn with Far Horizons.

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____________________________________________

winter2016ebookcover

 This richly illustrated issue includes the following stories: Recent findings shedding new light on the whereabouts of the remains of Philip of Macedon, father of Alexander the Great; how an archaeologist-sculptor is bringing bones of the dead back to life; archaeologists uncovering town life at the dawn of civilization; an exclusive interview with internationally acclaimed archaeologist James M. Adovasio about what makes the Meadowcroft Rockshelter prominent in the ongoing search for the first Americans; what archaeologists are finding at the site of the ancient city of Gath, the home town of the biblical Philistine giant, Goliath; and how scientists are redrawing the picture of human evolution in Europe.  Find it on Amazon.com.