TY JOUR TI Formations of the Carboniferous-Lower Permian carbonate deposits of the Upper Pechora basin (Northern Urals) KW geological formations KW carbonate deposits KW Lower Carboniferous — Lower Permian KW Northern Urals JO Vestnik of geosciences AU Sandula, A.N. PY 2024 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"