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Break Even Stripping Ratio (BESR)
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Given an underground total mining cost of $8.85 per tonne, surface mining costs of $2.95 per tonne of ore, and surface mining stripping costs of $1.75 per tonne of waste, calculate the break even stripping ratio (with zero profit) between surface and underground mining.
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The expert examines a break even stripping ratio for a mining cost.
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Break Even Stripping Ratio (BESR) = (cost of underground mining per tonne of ore - ...
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