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Although only few use-put on studies have been undertaken on Acheulean stone handaxes, it’s typically believed that handaxes had been utilized in butchery tasks (91, 95, 96, 98⇓–100). KGA13-A1 ZA1 exhibits that bone handaxes had been produced by bifacial flaking in a fashion much like that used for stone tools; furthermore, use-wear analysis means that their useful roles may also have been comparable. However, bone handaxes are discovered only hardly ever , in distinction to the abundant stone handaxes. This may be due partly to taphonomic reasons, however in all probability additionally to the accessibility of appropriate blanks and the difficulty of controlling bone percussion . Acheulean stone knappers used a big cobble or a large flake to supply LCTs .
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Backwell and d’Errico speculated that at Olduvai, bone might have been used as a substitute for stone solely when lithic raw supplies weren’t obtainable. The KGA13-A1 ZA1 bone handaxe is fantastically preserved, enabling a spread of macroscopic and microscopic evaluations. Morphological comparisons suggest that the uncooked materials was a shaft fragment of a hippopotamid femur. Both the distribution sample of flake scars and the excessive frequency of cone fractures are robust indicators of deliberate flaking.
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As with stone tool manufacturing, Acheulean bone software manufacture was primarily based on flaking, in contrast to the a lot later Upper Paleolithic bone tool technology based mostly on the groove-and-cut up methodology with sharpening. Thus, a bone handaxe would have required a big bone blank, which perhaps was not typically out there to the makers of the Acheulean LCTs.