Gabbro-diorite

Rock type: 
Igneous
Age: 
50 millions years
Tags: 
Gabbro-diorite, Eocene, massive texture, plagioclase, clinopyroxene, hornblende, biotite, quartz, apatite, Massif
Submitted 4 years 3 months ago by rock.

Medium fine-grained biotite-pyroxene gabbro-diorite. Pluton. Sikhote-Alin series of Eocene subintrusions. Eocene. Massive texture. Consist: plagioclase 60-65%, clinopyroxene - 15–20%, hornblende - 1-5%, biotite - 10-15%. Accessory: apatite. νδ₽2

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