Jurassic

Russia, Caucasus, Karachay-Cherkess Republic, Khasaut River Valley. Light gray quartz and polymictic sandstones, with mudstones, siltstones and interbeds of coal. Fossil: Velopecten rollei Tate, Lima punctata Sow., Circostylus euomphalus Quenst., Leda (Dacryomya) cf. graphica Tate, Astarte subtetragona Minst., Parallelodon aff. similis Terq., Hinnites sp. ind. (cf. davoei  Dam),  Nucula cf. palmae Sow. Lower Jurassic. Pliensbachian.

Russia, Caucasus, Karachay-Cherkess Republic, Khasaut River Valley. Light gray quartz and polymictic sandstones, with mudstones, siltstones and interbeds of coal. Fossil: Velopecten rollei Tate, Lima punctata Sow., Circostylus euomphalus Quenst., Leda (Dacryomya) cf. graphica Tate, Astarte subtetragona Minst., Parallelodon aff. similis Terq., Hinnites sp. ind. (cf. davoei  Dam),  Nucula cf. palmae Sow. Lower Jurassic. Pliensbachian.

Russia, Caucasus, Karachay-Cherkess Republic, Khasaut River Valley. Light gray quartz and polymictic sandstones, with mudstones, siltstones and interbeds of coal. Fossil: Velopecten rollei Tate, Lima punctata Sow., Circostylus euomphalus Quenst., Leda (Dacryomya) cf. graphica Tate, Astarte subtetragona Minst., Parallelodon aff. similis Terq., Hinnites sp. ind. (cf. davoei  Dam),  Nucula cf. palmae Sow. Lower Jurassic. Pliensbachian.

Russia, Caucasus, Karachay-Cherkess Republic, Kich-Malka river valley. Dolomitic sandy limestones, recrystallized stromatopore reefs. Fossil: Aspidoceras oegiri Opp., Limatula gerassimovi Pcel., Camptonecies grenieri Contej. Upper Jurassic. Oxfordian, Kimmeridgian.

Russia, Caucasus, Karachay-Cherkess Republic, Khasaut River Valley. Dolomitic limestones with intercalation of siliceous nodules. Fossil: Modiola aff. foucardi Roll., Trigonia glasvillei M.-C. Upper Jurassic. Tithonian.

Russia, Caucasus, Kabardino-Balkarian Republic, Chegem River Gorge. Light gray, tan, non-layered limestones. Thickness - 50 meters. Fossil: Exogyra bruntrutana Thurm., Diceras (Plesiodiceras) valfinense Boehm. Upper Jurassic. Oxfordian.

Russia, Caucasus, Kabardino-Balkarian Republic, Chegem River Gorge. Light gray, tan, non-layered limestones. Thickness - 50 meters. Fossil: Exogyra bruntrutana Thurm., Diceras (Plesiodiceras) valfinense Boehm. Upper Urassic. Oxfordian.

Russia, Caucasus, Kabardino-Balkarian Republic, Chegem River Gorge. Laminated limestones of brown color. Interlayer of dolostones with chalcedony contractions. Thickness - 55 meters. Fossil: Oppelia aff. richei Lor., Peltoceras choffati Lor. Upper Urassic. Oxfordian.

Russia, Stavropol Territory, canyon of the river Alikonovka. Layered dolomitic limestones with siliceous nodules containing horizon. In limestones, a large number of bryozoans, brachiopods and pelecipods. Jurassic. Tithonian.

Russia, Khabarovsk Territory. Hornfels siltstone with quartz veins. Lower-Middle Jurassic.