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Quartz diorite porphyry
Rock type:
Age:
86 millions years
Submitted 4 years 6 months ago by rock.
Russia, Khabarovsk Territory. Quartz diorite porphyry. Upper Cretaceous. Consist: quartz 10-15%, plagioclase 60-65%, hornblende 15-25%, biotite up to 5%. Plagioclase - andesine or labrador-andesine. Accessory: magnetite, apatite, sphene.
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