projectile percussion (Other Keyword)
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The origins of stone tool reduction and the transition to knapping: An experimental approach (2015)
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There is now a general consensus that the earliest Oldowan artifacts were made by skilled toolmakers with a clear understanding of the fracturing mechanics of different toolstone materials, thus leading several researchers to propose a simpler lithic reduction stage that occurred prior to 2.6 Ma. Three reduction techniques that are within the behavioral repertoire of the genus Pan are proposed as potential intermediate stages between the percussion behaviors of the LCA of chimpanzees and humans...