Sentences with phrase «of stone artifacts»

A collection of thousands of stone artifacts supports the theory that established human groups were spreading across North America long before Clovis technology emerged
Editors» note: This story was updated on March 21, 2018, to correct the percentage of stone artifacts made from obsidian at one Olorgesailie site.
The tools were studied by Dr. Harmand and her colleague Hélène Roche — world experts in lithic analysis, the study of stone artifacts from the various Stone Age periods in which they were made — to interpret physical features and reconstruct the manufacturing techniques used at the prehistoric site, including experimental replication of the tools.

Not exact matches

Public Service Commission Chairwoman Julie Fedorchak said she was «extremely disappointed» that Texas - based Energy Transfer Partners waited 10 days before reporting last month's discovery of stone cairns and other artifacts.
Excavations revealed remains of hearths, stone artifacts and bones of giant sloths.
Replication experiments demonstrate what different types of stone tools could have done, but they do not reveal what any particular artifact did.
The arrows are tipped with stone points, which are replicas of ancient artifacts.
AMERICAN MADE A 18,500 - to 17,000 - year - old stone artifact unearthed at Chile's Monte Verde site, shown from the side (left) and top (right), contains smooth areas where pieces of the rock were struck off to create a scraping or cutting tool.
The import of other artifacts is less obvious: a stuffed porcupine that sits on Freud's desk, beside a solitary pair of round - framed glasses; a wooden Egyptian funerary boat, mounted fore and aft by bird heads and carrying a small wrapped mummy attended by three seated women; a row of stone knives laid upon a table; and a bearded goat head made of clay.
«The paper by Harmand et al describes a truly pathbreaking discovery, and moves the date of the earliest flaked stone artifacts back by almost 3/4 of a million years.
The study of the Lomekwi 3 artifacts suggest they could represent a transitional technological stage — a missing link — between the pounding - oriented stone tool use of a more ancestral hominin and the flaking - oriented knapping of later, Oldowan toolmakers.
In fact, the distribution pattern they found showed two distinct clusters of artifacts, one near some stone slabs, which they interpret as the remnants of a burial platform, and another in the nearby depression where the hikers found the Iceman's body.
It is now clear that Omar Khan Massoudi, director of Kabul» sNational Museum, and a few other Afghans risked their lives to protect the artifacts from the Taliban, who were intent on destroying images — and who, in 2001, succeeded in blowing up the famed Bamiyan Buddhas, towering stone sculptures carved into the mountainside by monks about 1,500 years ago.
Dr. Harmand, the lead author, says that the Lomekwi 3 artifacts show that at least one group of ancient hominin started intentionally «knapping» stones — breaking off pieces with quick, hard strikes from another stone — to make sharp tools long before previously thought.
Artifacts made of organic materials like wood — much less likely than stone to survive the millennia — give us «another window to the past,» Lee notes.
At one Olorgesailie site in particular, 42 percent of more than 3,400 stone artifacts were obsidian.
The excavation also yielded a mutilated sculpture of a divine couple and carved architectural remains that include an amalaka (a cogged piece of carved stone exclusively placed on the spires of north Indian temples), artifacts bearing a lotus motif, and a circular shrine having pranjala or water chute (another typically Hindu temple artifact).
When comparing the history of hydrological changes in the region with artifacts from the Middle Stone Age, the researchers discovered a «striking correspondence between the archaeological record of South Africa and the timing of the abrupt climate change» as seen in the marine core, the study states.
The collection includes stone tools and other artifacts, as well as fossilized bones of animals and ancient hominins, including the Neandertal bones that formed part of the sample used in three recent studies of Neandertal DNA.
In the same excavation layer as the Denisovan fossils were artifacts showing a range of technological skill: There were thick, triangular stone points, typical of Neanderthals of the so - called Middle Paleolithic tradition.
In the cave's large central chamber, a quarter - mile from the entrance, they encountered a stunning profusion of artifacts: ceramic pots, grinding stones, bits of obsidian.
Hlubik and other archaeologists have excavated around 5,000 artifacts from the site — mostly chips of bone or stone flakes.
Jewlery, carved images of wheat, and the remnants of a stone eagle are among the artifacts from an apparent royal burial at Gonur.
Researchers have found more than 15,000 stone flakes and cores, as well as more than 900 artifacts, in layers of sediments dating from 1.76 million to 1.85 million years ago.
Stone artifacts unearthed in the same sediment as the fossil jaw included chunks of rock from which sharp flakes were pounded off and used as cutting tools.
The Penn Museum has a large collection of artifacts from Ur, because in 1922, British archaeologist Leonard Woolley led a famous series of excavations there, a joint operation between the British Museum and Penn, bringing back precious stones and pottery, and uncovering an ancient human sacrifice.
Led by archaeologist Alessandro Vanzetti of the University of Rome, La Sapienza, the researchers say that Ötzi's body and artifacts were in fact carefully placed on a stone platform 5 meters away from where the body was later found.
After uncovering a range of decorated crafts, ceramics and refined stone artifacts, he says scientists have unearthed strong evidence for amalgams made of sulfate gypsum and other local minerals to create a variety of pigments to decorate objects and paint murals on walls.
Since then, archaeologists have begun collecting a treasure trove of Iron Age and Bronze Age weapons, helmets, jewelry, and even a few stone tools from the Neolithic period, roughly 6000 B.C. Best of all, the exposed artifacts may be just a hint of what lies buried in the surrounding 30 - square - mile area, which should be well preserved by the valley's oxygen - poor, waterlogged soil.
The team took extensive steps to rule out the migration of artifacts between layers, for example by refitting together broken stone tools found in the same layer.
Scientists working in the desert badlands of northwestern Kenya have found stone tools dating back 3.3 million years, long before the advent of modern humans, and by far the oldest such artifacts yet discovered.
By the end of the 2012 field season, excavations at the site, named Lomekwi 3, had uncovered 149 stone artifacts tied to tool - making, from stone cores and flakes to rocks used for hammering and others possibly used as anvils to strike on.
Now, the Lomekwi artifacts show that those ideas are correct and at least one group of ancient hominin started intentionally knapping stones to make tools long before previously thought.
They are known primarily by the cultural artifacts they left behind, especially a type of stone point used on hunting spears.
«When we had the volcanic ash identified, we were stunned, because that would make this stone tool one of the oldest artifacts in North America,» Patrick O'Grady, with the University of Oregon Archaeological Field School, who led the excavations at the Rimrock Draw Rockshelter, where the tool was found, said in a statement.
The interesting point here is that no Neanderthal remains have been found at this site, only stone tool artifacts said to be of the same Mousterian technology as that used by H. neanderthalensis.
al., reported finding stone artifacts and modified wood with radiocarbon dates of 22,500 ± 500 and 23,320 ± 1000 years B.P. from the Santa Elina rockshelter in Mato Grosso, Brazil (Gruhn 1997:29).
Understanding stone tools by simply observing archaeological artifacts is a tricky thing - even seeing that these objects are artifacts can be challenging if you don't have years of experience.
The character of some of these horizons may not meet the traditional criteria used by some archaeologists to define valid early sites, such as spatially continuous and multiple activity areas with numerous features, artifact clusters, and diagnostic bifacial stone tool assemblages [6,26,27].
The new evidence is multiple, spatially discontinuous, low - density occurrences of stratigraphic in situ stone artifacts, faunal remains, and burned areas that suggests discrete horizons of ephemeral human activity radiocarbon dated between ~ 14,500 and possibly as early as 19,000 cal BP.
Harry Potter and the Sorcerer's Stone is, despite its trickery, that plainest and least surprising of artifacts: the work of art that is exactly the sum of its parts, neither more nor less.
One by one, the film's black - antlered villainess assesses the artifacts — which include the highly sought - after blue «infinity stone» — with a series of blunt dismissals: «Fake!»
The Skull, who vanished after attempting to wield the Tesseract in The First Avenger, appears on the planet Vormir as guardian of the Soul Stone and the man who informs Thanos of the sacrifice he must make if he wants to attain the cosmic artifact.
Throughout various movies, we had come to learn of the special powers of each one of the cosmic artifacts: the Space Stone allowed teleportation throughout space; the Reality Stone can alter reality itself; the Power Stone is raw power that affects any organic matter; the Mind Stone can affect the minds of others; and the Time Stone can manipulate time itself.
The trailers for «Infinity War» have all but confirmed what fans suspected at the end of «Thor: Ragnarok»: When Thanos comes calling after the Asgardians escape the destruction of their planet, Loki (Tom Hiddleston) hands over the Tesseract, the powerful artifact from «The Avengers» that houses the Space Infinity Stone.
With the Soul Stone as the last remaining Infinity Stone not to make a cameo in the Marvel Cinematic Universe ahead of Infinity War, the thought was the cosmic artifact would play a role in Black Panther.
The story revolves around a rather unlucky fellow by the name of Killian von Rohcoff who becomes tangled up in a web of misfortune at the center of which lies the Wicked Stone, a mysterious ancient artifact.
All along the way are the famous shops and vendors of the «souk» hawking trinkets, artifacts and junk together with delicacies made from recipes as old as the stones themselves.
Notice the scalloped artifacts of the LED frontlighting against the table of contents of «Harry Potter and the Sorcerer's Stone
Discovered by a farmer, whose cattle wondered in here in search of water, the Echo Caves have unearthed a series of Stone Age artifacts now housed in the nearby Museum of Man.
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