Pacific Rim Mining V.PFG Message Board

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Gold/Mining/Energy : Pacific Rim Mining V.PFG

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To: E. Charters who wrote (4533)	5/19/1997 7:14:00 PM
From: Bill Jackson	of 14627

TO ALL: The specific gravity of the Diablillos rock is around 2.5, as it has erosion voids etc. (Typical SG of rock in Timmins is 2.7, and it is a more competent harder rock, with less voids.) A cubic meter would then weigh 2.5 tonnes(2.5 metric tonnes of 1000 kilograms[2200 Lbs]) In pounds a cubic foot of water is 62.4 lbs, and so 2.5= 156 Lbs cubic foot. and also 12.82 cubic feet per ton(short of 2000 lbs) 1 troy oz/ton = 34.29 grams/tonne 1PPM(part per million) = 1gram/tonne 1PPB(part per billion) = .001 gram/tonne With this data you can calculate values of sections etc. It is easier in Metric. Bill

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