International Precious Metals (IPMCF) Message Board

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Gold/Mining/Energy : International Precious Metals (IPMCF)

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To: go4it who wrote (26824)	11/16/1997 11:30:00 PM
From: Claude Cormier	Read Replies (6) of 35569

<< I have heard of mines operating in Nevada right now that are turning a profit on their ore bodies and they are doing it at a higher recovery rate than fire assays are showing. >> That is a rumor. The fact is that mines always recover less than what the average grade of the deposit (provided by assays) is. In heap leaching operations the recovery rates are between 70% and 90% with an average of probably 78%. In hard rock mining, recovery rates are above 90%. In all cases, they are never above 100%. If there is one outfit that recovers more than what was assayed, I would like to know it.

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