TY JOUR TI The peculiarities of the framboidal pyrites of the Mikheev porphyry copper deposit (Southern Ural) KW Mikheev porphyry copper deposit KW argillizites KW framboidal pyrites KW mineralized biofilms JO Vestnik of geosciences AU Leonova, L.V. AU Azovskova, O.B. AU Soroka, E.I. PY 2023 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"