Marl

Russia, Stavropol Territory, canyon of the river Alikonovka. 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

Russia, Karachay-Cherkess Republic, canyon of the river Alikonovka. 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

Russia, Karachay-Cherkess Republic, canyon of the river Alikonovka. 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

Greece, Zakynthos, Marathia Cape. On the maps that I found are marked here limestones and marls: Eocene - Oligocene. But in my opinion, we see inconsistent contact in this place with limestones and calcareous marls: lower-middle Miocene. Light on top - Miocene; gray bottom - Paleogen.

Greece, Zakynthos, Marathia Cape. Limestones, marls. Eocene - Oligocene.

Greece, Zakynthos, Marathon. Limestones and calcareous marls. Lower-middle Miocene.

Russia, Karachay-Cherkess Republic, canyon of the river Alikonovka. 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

Russia, Karachay-Cherkess Republic. White limestones with interlayers of greenish-gray thin-layered marls. Upper Cretaceous. Santonian, Campanian. Fossil: Echinocorys turritus  Lamb., Micraster rostratus Mant., Inoceramus azerbaydjanensis Aliev., In balticus Boehs, Hauericeras pseudogardeni Schlut.

Portugal, Praia das Maçãs. Limestones. Cretaceous. Upper Aptian, Albian, Cenomanian, Turonian.

Portugal, Praia das Maçãs. Limestones, sandstones, marls and dolomites. Cretaceous. Upper Aptian, Albian, Cenomanian, Turonian. In the third photo - I do not know what it is. Basaltic lava maybe?