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.