Until recently, if you asked most experts when the first human beings arrived and settled in North America, you'd get an answer along the lines of 13, years ago. But over the last few years, evidence has been mounting that humans arrived at the continent earlier. And now a massive discovery of hundreds of thousands of stone tools suggest we might have to push the date of human settlement back by at least 2, years. Since the initial discovery, stone tools dating to the Clovis period have been uncovered in various other places across North and South America, but the new find adds to the growing body of evidence that people arrived on this continent long before then. Williams and his team have uncovered around , stones modified by the hands of humans at the Gault dig, which is around 64 kilometres 40 miles north of Austin, analysing close to of them. They would have been used as blades, engraving tools, scrapers, and more.
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Stone Age - HISTORY
Scientists working in a remote region of Kenya have found stone tools dating back 3. The collection of razor-edged and round rocks the size of softballs and even bowling balls pushes the known date of such tools back by , years and would suggest that our ancestors were converting them into pounding or cutting tools long before our genus homo appeared. They are much simpler than the more modern stone tools , which had a much broader range of uses. Calling the discoveries at the archeological site named Lomekwian 3 a "new beginning to the known archeological record," the researchers detailing the findings Wednesday in a Nature study suggest this would be first evidence that an even earlier group of proto-humans may have had the thinking abilities needed to figure out how to make sharp-edged tools. The researchers admit they can't say for sure who made the tools. But earlier finds suggest a possible answer.
Prehistoric Stone Tools Categories and Terms
The Ueno ruins are located in the city of Kyotango, which lies on the northern tip of the Sea of Japan side of Kyoto Prefecture. The pieces are thought to be from the early Upper Paleolithic Period, between 40, and 16, years ago. It was revealed that five of the discovered fragments are obsidian rocks from the Oki Islands in Shimane Prefecture. Stone tools incorporating obsidian rocks from the Oki Islands that date to the late Stone Age have also been found in Shimane and Okayama Prefectures in western Japan, but the discovery at the Ueno ruins is said to be the easternmost that items from the period have been found in the country. According to the research center, the stone tools and fragments were excavated from three locations in stratum situated between geological layers of volcanic ash from around 60, to 30, years ago.
Archaeologists have discovered stone artefacts in Kenya dating back to 3. The finding pushes back the record of stone tools by , years. While the tools predate the earliest known representative of our own genus, Homo , it is not yet possible to pin down exactly which species created the tools. However, the artefacts may provide a link between the kinds of stone tool used by chimpanzees and other primates for pounding and nut-cracking but which lack intentionally removed flakes and more sophisticated edged stone tools created by hominins. The findings, which add to a number of recent discoveries of the use of stone tools by early humans, could mean that time has come for us to start considering whether all hominins used tools.