TY JOUR TI Titanoniobates and thorium minerals in carbonatized fluid-explosive dikes of the Middle Timan KW fluid-explosive dikes KW rare-metal and thorium mineralization KW Middle Timan JO Vestnik of geosciences AU Golubeva, I.I. AU Grakova, O.V. AU Filippov, V.N. AU Shuyskiy, A.S. AU Burtsev, I.N. PY 2023 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"