andesine

Rock type: 
Age: 
122 millions years

Russia, Khabarovsk Territory, Tordoki-Yani Mountain. Biotite granites containing cordierite. Medium grained, coarse grained. Form batholith. Consist: oligoclase or andesine - 25-60%, K-spar - 10-45%, quartz - 18-32%, biotite - 8-25%. Accesory: apatite, zircon, sphen, monazite, garnet, tourmaline, ortit. Characterized by the presence of cordierite. Low Cretaceous.

Rock type: 
Age: 
122 millions years

Russia, Khabarovsk territory, Sikhote-Alin range, Tordoki-Yani mountain. Biotite granites containing cordierite. Medium grained, coarse grained. Form batholith. Consist: oligoclase or andesine - 25-60%, K-spar - 10-45%, quartz - 18-32%, biotite - 8-25%. Accesory: apatite, zircon, sphen, monazite, garnet, tourmaline, ortit. Characterized by the presence of cordierite. Low Cretaceous.

Rock type: 
Age: 
86 millions years

Quartz Diorite Dyke. Dark gray, evenly grained rocks, massive texture. Consist: andesine up to 80%, augite up to 20%, quartz 10-12%, K-spar 0-6%. Accessory: apatite, zircon. Cretaceous. γδK2

Rock type: 
Age: 
120 millions years

Gray quartz diorite. Stock. Iorokhanskiy complex. Consist: andesine 50-83%, hornblende 6-45%, quartz up to 16%, biotite - 1-4%, pyroxene up to 4%. qdК1