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Geography, 16.02.2021 03:30 smariedegray

you and a friend are hiking through Enchanted Rock State Park and you happen to discover an entire outcrop (i. e. exposure) of crystalline rock with large potassium feldspar, plagioclase and quartz crystals. Also present is some dark colored biotite and hornblende. None of the minerals seem to show any preferred orientation. What type of rock (igneous, metamorphic, or sedimentary) have you found

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