Title |
Comment |
Keywords |
Anorthosite
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22:45 - 24:21 (01:36) / 1.8 MB
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anorthosite, plutonic, Moon, basalt, magma, crystal, differentiation, calcium, plagioclase, "San Gabriel Mountains", "David Sigurdson"
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Calcium and Phosphorous
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13:48 - 15:09 (01:21) / 2.4 MB
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weathering, "chemical weathering", calcium, phosphorous, element, bone, plant, soil, animal, apatite, granite, phosphate, rock, "food chain", life, vertebrate
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Geology School Keywords
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