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Preliminary experimental observations on a particular class of bifacial lithic artifact<br />

Stage 2. Initial edging<br />

<br />

<br />

<br />

<br />

merstones are useful to eliminate the sharp edges. However, to reach this<br />

goal with a tabular nodule, it was necessary to use the heavier hammerstone.<br />

At this stage, the piece has diverse forms, ranging from rough bifaces, nu<br />

cleiform artifacts, partially curved bifaces and diverse irregular artifacts. No<br />

<br />

than half of the width of the artifact. Edges are very sinuous and irregular<br />

(Figs. 7 and 8).<br />

<br />

<br />

145

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