TY JOUR TI Lithological and geochemical features of the Lower Triassic reservoirs in the north of Sorokin Swell (Timan-Pechora oil and gas-bearing province) KW Triassic deposits KW sedimentation KW facies KW environments KW sandstones KW graywackes KW oil and gas reservoirs KW geochemical module JO Vestnik of geosciences AU Timonina, N.N. AU Ulnyrov, I.L. PY 2022 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"