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mining calculations and formulas at a gold mill

mining calculations and formulas at a gold mill

Dec 04 2011 · At a gold price of US1000 per ounce the value of the gold in the block of ore is just under 96 100031 X 3 or 1000 per ounce 31 grams troy ounce X 3 grams of gold Simply put if it were to cost more than 96 to mine treat and extract the gold from that tonne of ore it would be uneconomic to mine

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