International Precious Metals (IPMCF) Message Board

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

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To: C L who wrote (2103)	2/9/1997 6:22:00 AM
From: Bill Jackson	of 35569

C.L. I saw a grade of around 4 gs/ton for the gold components(0.08 Oz/Ton) the platinum component was larger, but it is often hard to leach both with the same chemistry, so I spoke of the gold only. If they screen out the rocks then they cannot use vat leaching as uncrushed large grain material will take too long in the vat. If they grind it to 150 mesh and there is no shielding by sulfide they can vat leach in a reasonable time. So it is a difficult problem and I need more data befor being definitive. The company seem to know what it is doing, but one cannot just accept company data without any third party opinions. The potential is huge, and so are the problems. If the problems are solved the reward will be immense, if. I addition a grade of 0.25 is good enough for conventional milling plus flotation to make a flotation concentrate to refine on site or elsewhere, that is an option if the leach chemistry cannot be solved. Bill Jackson

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