TY JOUR TI Lithological characteristics of the pre-Greben' regional unconformity of the Sizimcelebeyshor Creek of the Chernov Uplift KW Upper Silurian KW Gerd'yu and Greben' superhorizons KW lithology description KW regional unconformity KW brachiopods KW conodonts KW Chernov Uplift JO Vestnik of geosciences AU Danshchikova, I.I. AU Ulnyrov, I.L. AU Maydl, T.V. PY 2023 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"