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Early Oldowan tools are also known from Gona in Ethiopia (near the Awash River), and are dated to about 2.6 Ma. [11] The use of tools by apes including chimpanzees [12] and orangutans [13] can be used to argue in favour of tool-use as an ancestral feature of the hominin family. [14]
Tools classified under this category are known as the earliest indicators of hand axe usage. The biggest difference from the early Oldowan tools, or choppers, is the fact that two sides have had flakes chipped off, versus the single side of the chopper.
At the nearby Gona site, where there is an abundance of raw materials, several Oldowan tools (an industry previously believed to have been invented by H. habilis) were recovered from 1992 to 1994. The tools date to around 2.6–2.5 mya, the oldest evidence of manufacturing at the time, and since A. garhi was the only species identified in the ...
The brains of the hominins who used Oldowan stone tools were a lot smaller than the brains of modern humans. [9] There is debate about the Oldowan Industry's place in human culture's evolution. [9] [30] This debate features some of Gona's Oldowan assemblages as evidence and pulls from research on primate social behavior. [23] [9] [31] [32] [33]
Oldowan toolkits were uncovered at an excavation site on the Homa Peninsula in western Kenya. Stone tools called "oldowan toolkits" are used to pound and shape other rocks or plant materials. These tools are thought to be between 2.6 and 3 million years old. The stone tools were found near Paranthropus teeth. [66]
OH 7, Homo habilis Example of Oldowan stone tools. Disregarding the Eolithic controversy, the earliest stone tools (also found in the European continent) were the Chellean being followed by the Acheulean. [9] Thus, before the twentieth century, most archaeologists believed that Europe was where hominins began to use and manufacture stone tools.
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Oldowan tools occur in Beds I–IV at Olduvai Gorge. Bed I, dated 1.85 to 1.7 mya, contains Oldowan tools and fossils of Paranthropus boisei and Homo habilis, as does Bed II, 1.7 to 1.2 mya. H. habilis gave way to Homo erectus at about 1.6 mya, but P. boisei persisted. Oldowan tools continue to Bed IV at 800,000 to 600,000 before present . A ...