pluton

Gabbro-diorite pluton. Sikhote-Alin series of Eocene subintrusions. Eocene. Massive texture. Consist: plagioclase - 55-60%, clinopyroxene - 15–20%, hornblende - 10-15%, biotite - 5-10%, quartz - 1–5%. Accessory: apatite. νδ₽₂