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The top documents tagged [obsidian obsidian]
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obsidian obsidian
Introducing Obsidian Software and RAVEN-GCS for PowerPC
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We Will, We Will, ROCK YOU!!!. What are the 3 types of rocks? a.Metamorphic, Indignity, and Seminary b.Metabolic, Ingenious, and Sedimentary c.Metamorphic,
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ROCKS Rocks are conglomerations of minerals, and they form the bulk of the Earth. The main classification of crustal rocks is based on their origin. IGNEOUS.
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Obsidian and Pumice
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4-15-11
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