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Gold/Mining/Energy : ECHARTERS

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To: John Ripley who wrote (2048)	12/20/1997 6:46:00 AM
From: Aurum	of 3744

John, you need to know how much ore was required to produce this 128 pounds of concentrates. Then divide the assay figures (81 oz gold per ton for example) by the concentration factor to get the recovered grade of the ore. Assuming that the sample of ore is a valid sample of the orebody (and it is unlikely to be), you have may handle on the economics of mining the orebody. In reality it would take 20-30 ten ton bulk samples to support even a rudimentary grade estimate for a small mine.

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