%0 Journal Article %T Cementstones origin in the Upper Silurian lagoon deposits of the Northern Urals %A Ponomarenko, E.S. %K Upper Silurian, cementstones, paleokarst, C and O isotopes %J Vestnik of geosciences %D 2022 %N 0 %P 11 %I FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"