J1

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

Jurassic succession of Western Sardinia. Carbonatic shelf deposits: dolostones and dolomitic limestones, bioclastic limestones, oolithic and oncoid limestones, cherly limestones, mudstones, marly limestones and marls, with algae crinoids, brachiopods, bivalves, cephalopods, coprolites (pollens, spores, ostracods. Liassic (lower Jurassic) - Malm (upper Jurassic). J_1-3