By introducing the practical application of grade equivalent theory in a copper -cobalt mine, it can show maximum economic value individual ore block and maximize comprehensive utilization limited resources contains positive significance for extending service life mine. Briefly steps Micromine software process reserve estimation feasibility displaying blocks. Estimation be completed objectively...

The geochemical features of the ores present in oxidation zone gold-copper Malmyzh mineral deposit are characterized. This is located Nanaian region Khabarovsk Territory Russian Federation, and a technological assessment was carried out. initial gold content oxidized ore 0.1–1.2 ppm, leachability from different size fractions by hot cyanide revealed fact that not refractory characterized increa...