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Gold/Mining/Energy : Maxam Gold Corp. OBB:MXAM

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To: Tim Hall who wrote (5438)	8/24/1998 7:19:00 PM
From: Richard Mazzarella	Read Replies (1) of 11603

Tim, I also want to relate something I recall that Runyon told me about doing a fire assay on desert dirt. I don't recall the exact details, but the technique consists of milling the ore to different screen size and then fire assaying each fraction (one of Hewlett's attachments shows an example?). There seems to be minerals (or elements) at different screen size that can kill a fire assay result. Anyone that just tries to fire assay the raw ore at 200 mesh wouldn't get a good result, little or nil. Recovery however always does extract more metals than fire assay shows because it's not sensitive to the inhibiting conditions those minerals have on the fire assay. That may be the explanation why recovery produces better results than fire assay for desert dirt. Does this make any sense? I hope we learn more about those details.

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