I haven't done the research.
Look for a company mining an open pit and a mill running at about 2.5 - 3 Mtpa or look for a PFS / DFS at around those numbers and you'll have a starting point.
For copper mines as a rule of thumb, reduce the resource grade by 5-10% for dilution then the value of copper produced per tonne of ore =
diluted grade in % / 100 x 2204 x 67% x copper price / lb
The 67% factor allows for mill recovery, concentrate handling and treatment, refining and royalties.
The factor for gold mines is probably 85-90%.
I haven't done the research.Look for a company mining an open...
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