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USGS CMG InfoBank Geology School: mafic

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Title Comment Keywords
Intrusion 04:17 - 05:46 (01:29) / 1.7 MB "James Hutton", granite, plutonic, Scotland, mafic, gabbro, felsic, granite, silica, aluminum, diorite, volcanism, cooling, crystallization, magma, crystal, igneous
Differentiation 11:21 - 12:07 (00:46) / 0.6 MB crystal, "David Sigurdson", "Norman Bowen", granite, differentiation, magma, basalt, mafic, felsic, mineral
Crystallized Minerals 12:07 - 12:38 (00:31) / 1.0 MB plutonic, intrusion, mafic, felsic, crystal, "lava flow", ash, magma
Plutons 17:40 - 18:02 (00:22) / 0.6 MB pluton, "igneous rock", continent, crust, sediment, mafic, magma, "convergent plate", granite
Geology School Keywords
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Page Last Modified: Thu Oct 31 04:24:40 PDT 2013  (chd)