TY JOUR TI Technological mineralogy of strategic metal ores: achievements, problems, prospects KW technological mineralogy KW manganese ores KW Usinsk deposit KW aluminum-containing ores KW Upper Shchugor deposit KW strategic metals JO Vestnik of geosciences AU Ozhogina, E.G. AU Kotova, O.B. PY 2024 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"