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9 November, 23:31

Why to igneous rocks have the same minerals different names

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  1. 9 November, 23:45
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    Gabbro and basalt are two igneous rocks having the same chemical composition, and the same minerals (plagioclase feldspar + pyroxene), but are of different origins. Gabbros form at depths and cool slowly, whereas basalts are volcanic rocks that crystallize rapidly at the surface of the earth.
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