At 10:05 AM 11/12/98 -0500, Gordon Simons wrote:
>2. What constitute "stone tools" are in the eyes of
>the beholder -- at least in part.
One of the distinguishing features of stone tools from natural breakage is
the number of acute angles formed by various blows to the stone. To
create an acute angle (required to make a cutting surface) one must
carefully place the blow to achieve that end. Nature is unlikely to create
a hand-axe because the blows delivered to a rolling stone in a creek is
unlikely to be so precisely placed.
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