Igneous

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.

Russia, Khabarovsk Territory. Dyke pyroxenites. Contains impregnation of chalcopyrite. Upper Cretaceous.

Russia, Khabarovsk Territory. Monzonite diorite porphyry. Upper Cretaceous.

Russia, Khabarovsk Territory. I don’t really know what it is... Quartz porphyrite? Consist: quartz 60-70%, plagioclase 30-40%, biotite (?) up to 1%.

Russia, Khabarovsk Territory. Dark green diabase porphyrite. Upper Cretaceous.

Russia, Khabarovsk Territory. Dyke alaskite granite. Paleocene. Consist: quartz 30-38%, K-spar 40-55%, plagioclase 15-25%, biotite up to 3%. Plagioclase - oligoclase, rare - oligoclase-albite, albite. Accessory: magnetite, zircon, apatite, monazite. Silicate analysis: SiO₂ 74-77%, TiO₂ 0.1-0.2%, Al₂O₃ 13-14%, Fe₂O₃ 0.3-0.5%, FeO 0.7-1.6%, MnO 0.01-0.04%, MgO 0.1-0.3%, CaO 0.2-0.5%, Na₂O 2.7-3.4%, K₂O 4%, SO₃ 0%, P₂O₅ 0-0.03%, CO₃ 0-0.4%.

Russia, Khabarovsk Territory. Pyroxenite porphyrite. Upper Cretaceous.

Russia, Stavropol Territory. Trachiriolites. Laccolith. Miocene.

Russia, Stavropol Territory. Trachiriolites. Laccolith. Miocene.

Russia, Khabarovsk Territory, Yagdynya river. Biotite Granites. Form an massif of 850 square kilometers. Consist: oligolclase - 24-32%, microcline - 24-45%, quartz - 15-29%, biotite - 4-11%. Plagioclase forms sericite and albite (auto-metasomatism). Chlorite is formed by biotite. Accessory: sphene, zircon, apatite. Definitions of absolute age (K): 207, 230, 235 million years. Upper Triassic.