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For best experience or
For best experience or
Why do some mines (iron or copper, for example) have ROMs to blend high grade with low grade to make constant average feed grade throughout the entire LOM?
If NPV and DCF rule says: 1$ today worth more than 1$ tomorrow, why would some mines want to blend direct feed ore from 0.7% to 0.35% and have constant feed grade? Apart from rehandling cost, it also adds losses in
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What is worse: water eroding bench crest or water sitting on the catch bench and saturating wall behind it?
For pit dewatering purposes would you design catch bench flat and let water flow down to below benches potentially eroding crest or would design it with 1-2% incline to the wall and have water sitting on the bench a
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