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  • 14-01-2018
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Which igneous rock was used by native americans to produce arrowheads?

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Richinfo
Richinfo Richinfo
  • 14-01-2018
Native Americans used obsidian to produce arrowheads.

Obsidian occurs naturally as a volcanic glass made of pure igneous rock. Obsidian is commonly found in rhyolitic lava flow known as the obsidian flow.


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