Diorite
Deep igneous rocks made of equal amounts of alkali feldspar and intermediate plagioclase, the most common stained ingredients are amphibole, biotite and pyroxene, and accessory minerals apatite and sfen; volcanic equivalent: tackle.
Deep igneous rocks made of equal amounts of alkali feldspar and intermediate plagioclase, the most common stained ingredients are amphibole, biotite and pyroxene, and accessory minerals apatite and sfen; volcanic equivalent: tackle.
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