TY JOUR TI The mineralogy of copper slags the Kirovgrad plant (Sverdlovsk region) KW fayalite KW pyroxenes KW sulphides KW mineralogy KW geochemistry KW cooper slags KW Kirovgrad copper plant JO Vestnik of geosciences AU Erohin, Y.V. AU Ponomarev, V.S. AU Zakharov, A.V. AU Leonova, L.V. PY 2026 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"