Milling Investigations into the Ore as Occurring at the Lake Shore Mine

FOR forty years cyanide men have been intensively engaged on the treatment of sulpho-telluride ores. So far as we know, the processes used today were- with the important exception of the concentration plus high-lime process at the Victor mill (1915)-in use, or had been tried, in the earl y years of the century.
Keywords: altaite, chalcopyrite, Gangue . . . ., Py -Pyrite Plate, ÜRE Gold, Gold, Mill, Mills, Ore, Ores, pyrite
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