J3

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.

Greece, Kefalonia. Limestone. Upper Jurassic.

Greece, Kefalonia. Limestone. Upper Jurassic.

Russia, Khabarovsk Territory. Polymict coarse sandstones. Dublikanskaya series. Consisting of fragments of quartz and feldspar. At the bottom of the photo are carbonaceous siltstones. Thickness - 700 metres. Upper Jurassic, Tithonian. J3 db

Russia, Khabarovsk Territory. Polymict coarse sandstones. Dublikanskaya series. Consisting of fragments of quartz and feldspar. Third photo - magnification * 10. Thickness - 700 metres. Upper Jurassic, Tithonian. J₃ db

Russia, Khabarovsk Territory. Polymict coarse sandstones. Dublikanskaya series. Consisting of fragments of quartz and feldspar. Third photo - magnification * 10. Thickness - 700 metres. Upper Jurassic, Tithonian. J₃ db