Dolostone

Rock type: 
Age: 
160 millions years

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.

Rock type: 
Age: 
125 millions years

Greece, Kefalonia, Myrtos Beach. Limestones and dolostone. Lower Cretaceous.

Rock type: 
Age: 
100 millions years

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

Rock type: 
Age: 
100 millions years

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?

Rock type: 

Sardinia, Monte Corrasi. Calcite vein in Middle-Upper Jurassic dololostones.

Rock type: 
Age: 
165 millions years

Middle-Upper Jurassic succession of Eastern Sardinia. Dolostones, sandy dolostones, dolomitic limestones of littoral to circalittoral environment, with benthic and planktonic foraminifers, calcisphaeras, calcareous algae, cephalopods, echinoderms. Alternatively: Dogger-Malm.

Rock type: 
Age: 
165 millions years

Middle-Upper Jurassic succession of Eastern Sardinia. Dolostones, sandy dolostones, dolomitic limestones of littoral to circalittoral environment, with benthic and planktonic foraminifers, calcisphaeras, calcareous algae, cephalopods, echinoderms. Alternatively: Dogger-Malm.

Rock type: 
Age: 
165 millions years

Middle-Upper Jurassic succession of Eastern Sardinia. Dolostones, sandy dolostones, dolomitic limestones of littoral to circalittoral environment, with benthic and planktonic foraminifers, calcisphaeras, calcareous algae, cephalopods, echinoderms. Alternatively: Dogger-Malm.

Rock type: 
Age: 
165 millions years

Sardinia, Monte Corrasi. Middle-Upper Jurassic succession of Eastern Sardinia. Dolostones, sandy dolostones, dolomitic limestones of littoral to circalittoral environment, with benthic and planktonic foraminifers, calcisphaeras, calcareous algae, cephalopods, echinoderms. Alternatively: Dogger-Malm.