Recommended canada zinc minerals ball mill. Minerals Inc. - Canada. 1 Mineral resources are exclusive of mineral reserves and do not have demonstrated economic viability. 1901 mineral resources are estimated at a minimum NSR cut-off of 170 per tonne, assuming processing recoveries of 73 for copper, 94 for zinc, 48 for gold and 47 for silver, and using long-term prices of 3.10 per pound.Free consultation 40 years of industry experience providing one-stop solution
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