TeachMeFinance.com - explain Diorite
Diorite The term 'Diorite' as it applies to the area of volcanos can be defined as ' A coarse, uniformly grained rock composed of a feldspar and less than 50% amphibole or pyroxene. A quartz diorite has the composition of a diorite plus quartz and biotite, whereas a granodiorite has the composition of a diorite plus quartz and two feldspars. An intrusive igneous rock'.
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