Geology (82/229)

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Granite, a coarse-grained intrusive igneous rock. Granites vary in composition, but always consist of the minerals feldspar and quartz, and usually mica and hornblende.
Granite, a coarse-grained intrusive igneous rock. Granites vary in composition, but always consist of the minerals feldspar and quartz, and usually mica and hornblende.
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