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 Date: 2014-05-24 11:53:41Geology Gemstones Obsidian Volcanology Obsidian use in Mesoamerica Lithics Igneous petrology Petrology |
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| First Page | Document Content | |
|---|---|---|
Date: 2014-05-24 11:53:41Geology Gemstones Obsidian Volcanology Obsidian use in Mesoamerica Lithics Igneous petrology Petrology |
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IAOS International Association for Obsidian Studies