TY - GEN AU - Rice,David A. AU - Cobble,J.R. AU - Brooks,D.R. TI - Effects of turbomilling parameters on the simultaneous grinding and ferric sulfate leaching of chalcopyrite T2 - Report of investigations PY - 1991/// CY - Washington PB - U.S. Dept. of the Interior, Bureau of Mines KW - Chalcopyrite KW - Metallurgy KW - Ore-dressing KW - Leaching KW - Size reduction of materials ER -