Schist

Russia, Irkutsk region, Big Kadali river valley. Carbon quartz-mica schists. Khomolkhinskaya series. Thickness 650 meters. Paleoproterozoic.

Russia, Caucasus, Kabardino-Balkarian Republic, Kyzylkol river valley. Basaltic lava with interlayers of jasper, breccia, siltstones, schists. Kyzylkol'skaya series. Lower - middle Devonian. Pragian, Emsian, Eifelian.

Russia, Caucasus, Kabardino-Balkarian Republic, Kyzylkol river valley. Basaltic lava with interlayers of jasper, breccia, siltstones, schists. Kyzylkol'skaya series. Lower - middle Devonian. Pragian, Emsian, Eifelian.

Russia, Caucasus, Kabardino-Balkarian Republic, mountain Cheget. Donguzorunskiy metamorphic complex. Mica gneisses, mica schists with andalusite, garnet. Thickness - 1280 meters. Proterozoic, mesoproterozoic.

Russia, Caucasus, Kabardino-Balkarian Republic, mountain Cheget. Donguzorunskiy metamorphic complex. Mica gneisses, mica schists with andalusite, garnet. Thickness - 1280 meters. Proterozoic, mesoproterozoic.

Russia, Caucasus, Karachay-Cherkess Republic, Dombai. Complex of quartz-biotite, quartz-chlorite gneisses and schists. Archean (?).

Russia, Karachay-Cherkess Republic, Dombai. Complex of quartz-biotite, quartz-chlorite gneisses and schists. Archean (?).

Russia, Karachay-Cherkess Republic, Arkhyz. Quartz-chlorite-muscovite, quartz-muscovite, quartz schists, paragneisses. Makerskaya series. Proterozoic. Mesoproterozoic- Neoproterozoic.

Russia, Karachay-Cherkess Republic, Arkhyz. Quartz-chlorite-muscovite, quartz-muscovite, quartz schists, paragneisses. Makerskaya series. Proterozoic. Mesoproterozoic- Neoproterozoic.

Russia, Sakhalin, Chekhov peak. Quartzites, hematite quartzites, slates. Green shale formation. Krasnosel'skaya metamorphic series. Upper Cretaceous. asK₂kr.