Title |
Comment |
Keywords |
Largest Mass Extinction in Earth's History
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12:11 - 13:02 (00:51) / 0.8 MB
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"James Sadd", Paleozoic, continent, supercontinent, Pangea, ocean, climate, collision, "continental margin", mountain, Alps, "Himalaya Mountains", ecosystem, extinction, life
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Vermont Garnets
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23:33 - 25:07 (01:34) / 2.7 MB
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"John Rosenfeld", Vermont, garnet, "geologic time", continent, Eurasia, Africa, America, supercontinent, Pangea, "convergent plate", "Appalachian Mountains", "North American Continent", fold, nappe, burial, crystal, "snowball garnet", "geologic time", "plate tectonics"
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Geology School Keywords
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