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Friday, 14 December 2012

TOP 10 ARCHAEOLOGICAL DISCOVERIES OF 2012


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Top 10 Discoveries of 2012
By
Archaeology Magazine, Volume 66 Number 1, January/February 2013 issue.

Any discussion of archaeology in the year 2012 would be incomplete without mention of the much-talked-about end of the Maya Long Count calendar and the apocalyptic prophecies it has engendered. With that in mind, as 2013 approaches, the year’s biggest discovery may actually be that we’re all still here - at least that’s what the editors of Archaeology continue to bet on.

However, you won’t find that story on our Top 10 list. We steered clear of speculation and focused, instead, on singular finds - the stuff, if you will - the material that comes out of the earth and changes what we thought we knew about the past.

Here you’ll see discoveries that range from a work of Europe’s earliest wall art to the revelation that Neanderthals, our closest relatives, selectively picked and ate medicinal plants, and from the unexpected discovery of a 20-foot Egyptian ceremonial boat to the excavation of stunning masks that decorate a Maya temple and tell us of a civilization’s relation to the cosmos.

Then there are the discoveries that just made us wonder. What drove someone to wrap their valuables in a cloth and hide them almost 2,000 years ago? And why were people in Bronze Age Scotland gathering bones and burying them in bogs?

The finds span the last 50,000 years and cover territories from the cradle of civilization to what is today one of the world’s most populous cities. These are a few of the discoveries that speak to us of both our record of ingenuity and our humanity. The enduring question is always: Were the people behind the evidence anything like us?

- The Editors

    By Eric A. Powell

Archaeologists have unearthed a spectacular series of stucco masks at the Maya city of El Zotz. Dating to between A.D. 350 and 400, the five-foot-tall masks decorated a temple atop El Diablo pyramid, which commemorates the founder of the city’s royal dynasty.

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A rendering of one of the masks representing the Maya sun god found at El Zotz’s
Temple of the Night Sun in Guatemala shows places where crimson pigment remains.

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The five-foot tall stucco masks chart the sun’s path across the sky and decorate the
exterior of the temple.

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Work continues at the site.

The masks were painted bright red and depict several deities, including the sun god. They show different phases of the sun as it makes its way across the sky. Between the gods are representations of Venus and other planets. “It’s a celestial symphony,” says Brown University archaeologist Stephen Houston, who co-led the excavation with Edwin Roman of the University of Texas. “The sun is closely associated with Maya kingship, and these images celebrate that link."

    By Zach Zorich

The latest frontier in Neanderthal research is not the artefacts they left behind or remnants of their DNA. Rather, it is the gunk that stuck to their teeth.

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Scientists analyzed microscopic material (top) on Neanderthal teeth
(bottom) found in Spain’s El Sidrón Cave to learn what the extinct
hominins might have eaten.

Karen Hardy of the Catalan Institution for Research and Advanced Studies in Spain and Stephen Buckley of the University of York in the United Kingdom used a variety of chemical analyses that helped uncover the first evidence that Neanderthals consumed medicinal plants. The team examined the chemicals embedded in the calcified plaque on the teeth of five Neanderthals dated to between 50,600 and 47,300 years ago from El Sidrón Cave in Spain. The research showed that the Neanderthals inhaled wood smoke, probably from a campfire, and that they had eaten cooked plant foods as well as the bitter-tasting medicinal plants chamomile and yarrow. “They had to have a body of knowledge about plants to select yarrow and chamomile,” says Hardy. The same analyses used in this study have the potential to be used on almost any tooth. According to Hardy, they could be used to provide direct evidence of hominin diets going back millions of years.

    By Zach Zorich

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In South Africa’s Border Cave, archaeologists found ostrich eggshell
beads (top), wooden digging sticks (bottom, far left), and notched sticks
(bottom, right) used to apply poison to arrowheads.

A notched wooden stick from South Africa’s Border Cave dating to 24,000 years ago contains the earliest evidence of humans using poison. The artefact was found in the 1970s, but new chemical studies conducted by a research team led by Francesco d’Errico of Bordeaux University in France revealed trace amounts of substances from poisonous castor beans. The stick may have been used to apply poison to arrowheads just as a culture of modern-day hunter-gatherers called the San does today in southern Africa. According to d’Errico, poison is an important part of traditional San hunting methods because their bone-tipped arrows usually don’t cause enough damage to kill large prey on their own.

The poison applicator is just one of several artefacts, some dating to as early as 44,000 years ago, that resemble objects used by the San. Others include a digging stick, ostrich eggshell beads, carved pig tusks, bone arrowheads, and a lump of beeswax. D’Errico’s team believes the finds indicate that San culture emerged about 44,000 years ago, making these the earliest link to a culture of modern humans.

The findings also clarify why it is thought that modern human behaviour - loosely defined as making objects that show symbolic thinking or complex hunting methods - may have begun in Africa. Earlier evidence of such behaviour has been uncovered in South Africa at sites such as Blombos Cave and Pinnacle Point, where beads, pigments, and artefacts related to fishing that date to more than 100,000 years ago have been found. Those types of artefacts, however, seem to disappear from the archaeological record at later times, indicating that those cultures may have died out. The poison and other discoveries from Border Cave, on the other hand, are the earliest that can be directly connected to an extant culture. “We think of modern humans as people who are able to change their culture all the time,” says d’Errico, “but when we have a very effective cultural adaptation, we don’t need to change.”

    By Roger Atwood

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Archaeologists found multiple caches of skeletal remains at Templo Mayor, one
of which included 45 skulls and 250 jawbones.

Mexico’s Templo Mayor was a centre of Aztec civic life before the Spanish conquest. In 2012, archaeologists learned more about its importance for civic death. In a grisly discovery, they excavated more than 1,000 tightly packed human bones, among them 45 skulls and 250 jawbones. There was only one complete, undisturbed skeleton, in a separate cache - a woman, lying face down, her left hand resting enigmatically on her back and her right on her abdomen. She was surrounded by more bones, including at least 10 skulls, plus ceramic and charcoal offerings.

Raúl Barrera of Mexico’s National Institute of Anthropology and History says the larger cache was probably a “closure deposit” buried as a kind of consecration after an important building phase around 1479. Because the bones are so crowded together, he says, they must have “been buried elsewhere, exhumed, and reburied here.” But not all of them. Barrera’s team excavated a volcanic slab used for human sacrifices, beneath which they found five more skulls with gaping perforations. The victims may have died on the sacrifice stone, but the holes were probably for mounting their skulls on a stake known as a tzompantli. It may all seem macabre to us, but to the Aztecs, this charnel house was, according to Barrera, “where the earthly and heavenly realms communicated with each other.”

    By Andrew Curry

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Sandal nails (above) were found at the site of a temporary Roman military
camp in southwestern Germany as plotted (top) in a diagram of the area.

The discovery of a collection of 75 sandal nails has led German archaeologists to the rare identification of a temporary Roman military camp near the town of Hermeskeil, near Trier, in southwestern Germany. Directed by Sabine Hornung, an archaeologist at the Johannes Gutenberg University Mainz, the team uncovered the camp’s main gate, the flat stones that once paved its entrance, and grindstones used by the Romans to mill grain. Scattered among the paving stones were bits of metal that the team quickly identified as sandal nails. Some of the nails were quite large - as much as an inch across - and had distinct workshop marks of a type used by the army, “a sort of cross with little dots” or studs, says Hornung. “That told us it was definitely a military camp,” she adds. Ground-penetrating radar surveys showed that the camp, built to house soldiers on the move, sprawls over nearly 65 acres.

Excavated pottery sherds, both from local and imported Roman wares, date the camp to the 50s B.C., the period Julius Caesar wrote about in his memoir, The Gallic Wars. From 58 to 50 B.C., Caesar waged three campaigns against the Gallic tribes and their powerful leaders for control over the territory of Gaul, primarily modern-day France and Belgium. Taking account of the camp’s date and the distinctly Caesarean sandal nails, Hornung says, “It’s very probable it is a camp built by Julius Caesar’s legions.”

The camp sits just a few miles away from the so-called “Hunnenring,” a major Celtic hill fort with 30-foot-high walls. Such centres of military and political power made Gaul an attractive target for the Romans. By focusing their efforts on these regional centres, the Romans could exert sustained and concentrated pressure on local leaders instead of having to chase down the scattered tribes living in the German forests further to the east. Eventually this pressure, and the military victories achieved by Caesar and his legions, resulted in the conquest of Gaul and cleared the way for the general to assume sole control of the Roman Republic.

For Gunter Moosbauer, an archaeologist at Germany’s University of Osnabrück familiar with the discovery, the finds from Hermeskeil are an “archaeological thrill.” He says, “Roman field campaigns lasted just a few months, and to find one of their temporary camps is really rare.”

    By Nikhil Swaminathan

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Archaeologists have dated an engraving of a vulva found on a one-and-a-half-ton limestone block at Abri Castanet, a collapsed rock shelter in France, to about 37,000 years ago. That figure, however, is only a minimum age for the rock carving. The date, announced in May, actually corresponds to the approximate time when the rock shelter’s roof, of which the engraved block was once a part, collapsed. The engraving is thus one of the earliest examples of European wall art, likely older than the elaborate paintings 200 miles east in Chauvet Cave.

The block was found directly above a surface containing hundreds of artefacts from the early Aurignacian culture, the earliest modern humans in Europe. An imprint of the vulva on the shelter floor, along with a lack of sediment build-up between the block and the surface, suggested that radiocarbon dating of several pieces of bone smashed by the fallen block would give an accurate age of the roof collapse and an approximate age of the engraving.

“We see vulva again and again and again,” says New York University archaeologist Randall White about Aurignacian sites in the region near Abri Castanet. “The fact that they’re repeating the same forms suggests that it is conventionalized in a way that allowed these people to relate to the meaning.”

    By Samir S. Patel

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The invention of pottery for collecting, storing, and cooking food was a key development in human culture and behaviour. Until recently, it had been thought that the emergence of pottery was part of the Neolithic Revolution around 10,000 years ago, which also brought agriculture, domesticated animals, and ground-stone tools. Finds of much older pottery have put this theory to rest. This year, archaeologists dated what is now thought to be the oldest known pottery in the world, from the site of Xianrendong Cave in the Jiangxi Province of southeastern China. The cave had been dug before, in the 1960s, 1990s, and 2000, but the dating of its earliest ceramics was uncertain. Researchers from China, the United States, and Germany re-examined the site to find samples for radiocarbon dating. While the area had particularly complex stratigraphy - too complex and disturbed to be reliable, according to some - the researchers are confident that they have dated the earliest pottery from the site to 20,000 to 19,000 years ago, several thousand years before the next oldest examples. “These are the earliest pots in the world,” says Harvard’s Ofer Bar-Yosef, a co-author on the Science paper reporting the finds. He also cautions, “All this does not mean that earlier pots will not be discovered in South China.”

    By Erin Mullally

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Instances of deliberate mummification in Europe are rare, but, while performing excavations in 2001 at Cladh Hallan, a Bronze Age settlement on the island of South Uist in Scotland’s Outer Hebrides, archaeologists found a pair of 3,000-year-old skeletons that fit the bill.

Both skeletons, one male and one female, were buried in the foetal position. Tests indicated they had been intentionally preserved for some time in nearby peat bogs, where microbes prevented them from fully decomposing, before they were eventually retrieved. “Mummification has been surprisingly widespread throughout world history, but this is the first time we’ve seen clear evidence that it was employed during the Bronze Age on the British Isles,” says University College London archaeologist Mike Parker Pearson.

Further examination of the remains led to another startling discovery. The male skeleton is actually a composite. Its torso, skull and neck, and lower jaw belong to three separate men. New DNA tests prove that the female skeleton is also a composite formed from a female torso, a male skull, and the arm of a third person, whose gender has yet to be determined. Carbon dating indicates that the skull of the female mummy is probably 50 to 200 years older than the torso.

Archaeologists have yet to agree why these remains were mummified and then combined. “The mixing of remains could have been designed to combine different ancestries or families into a single line of descent,” Parker Pearson explains. “At the time, land rights would have depended on ancestral claims, so perhaps having ancestors around ‘in the flesh’ was the prehistoric equivalent of a legal document.”

    By Mati Milstein

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A cloth bundle containing gold coins and jewellery found stashed in a pit in southern Israel
was likely put there during the Bar Kokhba revolt, almost 2,000 years ago.

This past summer archaeologists discovered a veritable treasure chest of jewellery and coins buried inside a pit in the courtyard of an ancient building in southern Israel’s Kiryat Gat region. According to the Israel Antiquities Authority’s Sa’ar Ganor, the cache likely dates to the time of the Bar Kokhba revolt, which lasted from A.D. 132 to 135, and was one of the largest Jewish uprisings against the Romans. “This was probably an emergency cache that was concealed at a time of impending danger by a wealthy woman who wrapped her jewellery and money in a cloth and hid them deep in the ground,” says Ganor. “It’s now clear that the owner never returned to claim it.” While there are other contemporary hoards from Israel, this example is exceptional for the inclusion of several gold coins, rare in Israel at this time.

      By Eric A. Powell

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Archaeologists originally mistook an ancient Egyptian funerary boat found at the
cemetery of Abu Rawash for a wooden floor. The 20-foot boat dates to 2950 B.C.

Egyptologist Yann Tristant was reading a 1914 excavation report on a First Dynasty (ca. 3150–2890 B.C.) tomb at the elite cemetery of Abu Rawash when he noticed something strange. The author, legendary French archaeologist Pierre Montet, wrote that just north of the mud-brick tomb, or mastaba, he had uncovered a wooden floor. That seemed bizarre to Tristant, of Macquarie University in Sydney, because he knew that no other archaeologists have reported finding wooden floors around mastabas. Sensing a mystery, he directed his team to excavate at the same spot Montet had almost a century before. The hunch paid off and led Tristant to a pit bounded by a brick wall that held the oldest boat found in Egypt, a 20-foot-long vessel dating to 2950 B.C.

It’s clear the boat played some role in the burial ceremonies of the tomb’s owner, a high-ranking official. Tristant uncovered artefacts nearby that point to a lavish funerary feast, including ceramic beer jars and bread moulds. Ceremonial boats have been found at tombs at royal cemeteries; they were intended to symbolically carry pharaohs into the afterlife. But since so few boats have been found at non-royal tombs, Tristant hesitates to speculate exactly what religious function the Abu Rawash vessel served. “It’s a good example of why we must sometimes re-excavate sites,” says Tristant. “I never would have expected to find a boat at a tomb like this.”

[Source: Archaeology Magazine. Edited. Top image added.]



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