38. If an igneous rock has a coarse-grained texture AND has a felsic composition, then the rock is: a) granite b) basalt c) pumice d) obsidian e) rhyolite 39. As a felsic magma cools, which mineral would be the last to crystallize? a) muscovite b) biotite c) olivine d) k-spar e) quartz
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If the igneous rock has a coarse-grained texture, then the rock is granite. Show more…
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