break-even stripping ratio

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break-even stripping ratio

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mining
Pit geometry
The break-even stripping ratio is a function of ore value and the costs involved.
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The break-even stripping ratio is a function of ore value and the costs involved.
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coal mining
Contour strip mining
If the break-even stripping ratio remains favourable, further cuts into the hillside will be made. Otherwise, if there are sufficient reserves under the knob of the hill, the coal may be recovered by underground mining or by augering.
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If the break-even stripping ratio remains favourable, further cuts into the hillside will be made. Otherwise, if there are sufficient reserves under the knob of the hill, the coal may be recovered by underground mining or by augering.
Read More