SULFATE MINERALS AT THE FORMER SHERRITT–GORDON Zn–Cu MINE, SHERRIDON, MANITOBA, CANADA MICHAEL C. MONCUR§...copper, silver, and gold between 1930 and 1951. Since mine closure, two high-sulfide tailings impoundments...melanterite, rozenite, halotrichite, chalcanthite, alpersite, copiapite, hexahydrite, jurbanite, pickeringite...freshet. Keywords: sulfide oxidation, alpersite, jarosite, mine tailings, modeling, efflorescent minerals...melanterite, jurbanite, metals, Sherritt–Gordon Zn–Cu Mine, Sherridon, Manitoba, Canada. INTRODUCTION Pyrite |