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Alculate the b e s r in the mining and processing a 0.60 copper ore deposit given the following information selling price in con

Question: Calculate the B.E.S.R in the mining and processing a 0.60% copper ore deposit given the following information. Selling price in concentrate $1.63/kg Surface mining costs $ 6.80/ton Surface stripping costs $ 7.50/ton Overall (milling and Smelting) 92% BESR - Break Even Strip Ratio

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