Marl

Rock type: 
Age: 
163 millions years

Russia, Caucasus, Karachay-Cherkess Republic, Gumbashi pass. Limestones, sandy limestones, dolomitic limestones, dolostones, marl interbeds. Gerpegemskaya series. Fossil: Quenstedtoceras cf. brasili Douv., Perisphinctes sp., "Rhynchonella" spatica Douv., Zeilleria balkarensis Moiss., Z adygensis Moiss., Radulopecten subinaequicostatus Kas., R fibrosodichotomus Kas., Trigonia planulata Ag., Chlamys viminea Sow., Avicula argoviensis Moesch., Lima malkensus Pcel., Aviculoperna caucasica Pcel., Kosmoceras dagestanicum Kas., Lima duplicata Sow., Loboidothyris zeiteni Lor., Rhactorhynchia aff.

Rock type: 
Age: 
163 millions years

Russia, Caucasus, Karachay-Cherkess Republic, Gumbashi pass. Limestones, sandy limestones, dolomitic limestones, dolostones, marl interbeds. Gerpegemskaya series. Fossil: Quenstedtoceras cf. brasili Douv., Perisphinctes sp., "Rhynchonella" spatica Douv., Zeilleria balkarensis Moiss., Z adygensis Moiss., Radulopecten subinaequicostatus Kas., R fibrosodichotomus Kas., Trigonia planulata Ag., Chlamys viminea Sow., Avicula argoviensis Moesch., Lima malkensus Pcel., Aviculoperna caucasica Pcel., Kosmoceras dagestanicum Kas., Lima duplicata Sow., Loboidothyris zeiteni Lor., Rhactorhynchia aff.

Rock type: 
Age: 
163 millions years

Russia, Caucasus, Karachay-Cherkess Republic, Gumbashi pass. Limestones, sandy limestones, dolomitic limestones, dolostones, marl interbeds. Gerpegemskaya series. Fossil: Quenstedtoceras cf. brasili Douv., Perisphinctes sp., "Rhynchonella" spatica Douv., Zeilleria balkarensis Moiss., Z adygensis Moiss., Radulopecten subinaequicostatus Kas., R fibrosodichotomus Kas., Trigonia planulata Ag., Chlamys viminea Sow., Avicula argoviensis Moesch., Lima malkensus Pcel., Aviculoperna caucasica Pcel., Kosmoceras dagestanicum Kas., Lima duplicata Sow., Loboidothyris zeiteni Lor., Rhactorhynchia aff.

Rock type: 
Age: 
163 millions years

Russia, Caucasus, Karachay-Cherkess Republic, Gumbashi pass. Limestones, sandy limestones, dolomitic limestones, dolostones, marl interbeds. Gerpegemskaya series. Fossil: Quenstedtoceras cf. brasili Douv., Perisphinctes sp., "Rhynchonella" spatica Douv., Zeilleria balkarensis Moiss., Z adygensis Moiss., Radulopecten subinaequicostatus Kas., R fibrosodichotomus Kas., Trigonia planulata Ag., Chlamys viminea Sow., Avicula argoviensis Moesch., Lima malkensus Pcel., Aviculoperna caucasica Pcel., Kosmoceras dagestanicum Kas., Lima duplicata Sow., Loboidothyris zeiteni Lor., Rhactorhynchia aff.

Rock type: 
Age: 
135 millions years

Russia, Caucasus, Karachay-Cherkess Republic, Khasaut River Valley. Limestones, dolomitic limestones, with interlayers of marls. Fossil: Thurmanniceras cf. thurmanni Pict., Phasianela personi Chaff., Purpuroidea longa Pcel., Grammatodon cabadinensis Mordv. Lower Cretaceous. Valanginian.

Rock type: 
Age: 
135 millions years

Russia, Stavropol Territory, canyon of the river Dry Olkhovka. Limestones, limestones sandstones, oolitic limestones, interlayers of marls. Fossil: Thurmanniceras cf. thurmanni Pict., Phasianela personi Chaff., Purpuroidea longa Pcel., Grammatodon cabadinensis Mordv. Lower Cretaceous. Valanginian