TY JOUR TI Tourmaline inclusions in pyrite from Riphean terrigenous deposits of the Middle Timan KW pyrite KW tourmaline KW Middle Timan JO Vestnik of geosciences AU Shaybekov, R.I. AU Isaenko, S.I. AU Tropnikov, E.M. PY 2023 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"