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The Organization of Chipped-Stone Economies at Piedras Negras ...

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Phase<br />

Cutting<br />

Edge to<br />

Mass<br />

R<strong>at</strong>io<br />

Average<br />

Weight<br />

Per Piece<br />

(g)<br />

Average<br />

Length<br />

(mm)<br />

Average<br />

Width<br />

(mm)<br />

Abal 12 0.2667 18 7.8<br />

Naba 7.1 0.5682 21.345 9.8091<br />

Balche 6.43 0.5559 19.324 9.4147<br />

Yaxche 6.53 0.6125 19.552 10.16<br />

Chacalhaaz 6.2 0.6042 18.591 10.191<br />

Kumche 6.17 0.62 18.517 10.362<br />

Abal 12 0.2667 18 7.8<br />

Naba 7.1 0.5682 21.345 9.8091<br />

Balche 6.43 0.5559 19.324 9.4147<br />

Yaxche, Early 6.77 0.6034 20.302 9.4492<br />

Yaxche, L<strong>at</strong>e 7.36 0.5259 18.393 10.745<br />

Chacalhaaz, Early 6.07 0.5575 18.183 10.231<br />

Chacalhaaz, L<strong>at</strong>e 6.23 0.5793 18.654 10.212<br />

Kumche 6.17 0.62 18.517 10.362<br />

Total 6.23 0.6046 18.715 10.179<br />

Table 7.2: Cutting edge to mass r<strong>at</strong>io for obsidian blades <strong>at</strong> <strong>Piedras</strong> <strong>Negras</strong>.<br />

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