Early tool use.

The science or study of primitive societies and the nature of man.

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Early tool use.

Postby Digit » Thu Aug 12, 2010 4:34 am

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Re: Early tool use.

Postby Minimalist » Thu Aug 12, 2010 8:18 am

Some of the cuts are V-shaped in cross section, for instance — a shape characteristic of those made by sharp tools — with scratches inside the cuts left by the tool's rough edge. Other marks showed signs of scraping, and still others indicated that the bones had been bashed with blunt rocks — perhaps in an effort to reach the marrow.



This implies that the users had the cognitive ability to recognize that a sharp stone performed differently than a big rock used as a hammer.
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Re: Early tool use.

Postby Digit » Thu Aug 12, 2010 8:29 am

And from there to producing a sharp edge would seem not too large a step, I think.

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Re: Early tool use.

Postby Minimalist » Thu Aug 12, 2010 8:40 am

Depends on the geology of the area they were in. Some stones, shale for example, breaks easily and will give any number of sharp edges. Flint/chert take a little more work.
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