World rocks photo collection
Russia, Caucasus, Stavropol Territory, Kislovodsk. Yellowish-gray fine-grained massive glauconite-quartz sandstones. Contains cohesions of calcareous sandstones and rare nest-clad leafy mudstones. Shagirtskaya series. Thickness - 25 meters. Fossil: Dufrenoya furcata Kaz., Cheloniceras seminodosum Sing., Deshayesites deshyi Papp., Panope gurgitis Bron., P. akuschaensis Mordv., Thetironia minor Sow., Dosinimeria para Sow., Deshayesites weissi Neut. et Uhl., Cheloniceras seminodosum Sing., Barbatia apptiensis Pict. et Camp., Colombiceras tobleri Jac. et Tobl., C.