TY - GEN AU - Jolly,A.F. AU - Neumeier,L.A. TI - Leaching sulfidation-partitioned chalcopyrite to selectively recover copper T2 - Report of investigations ;�9343 PY - 1991/// CY - Washington, D.C. PB - U.S. Dept. of the Interior, Bureau of Mines KW - Copper KW - Metallurgy KW - Leaching KW - Chalcopyrite ER -