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assay of gold ore from transvaal samples in case

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Descriptive Essay: My Country South Africa - Scholar Advisor Descriptive Essay: My Country South Africa South Africa is a country situated on the most southern tip of Africa cradled by the icy Atlantic Ocean on the west . The Simple Facts about Sampling Gold Ores - Progradex The Simple Facts about Sampling Gold Ores G J Lyman1, I G Robertson2 and T Day3 ... expected for a given gold ore as a function of sample mass is actually a simple matter. For a given ... Gy's simplified formula for the variance of the sample assay a S is of the form: a var a M K M 1 cfgd S S S S 2 95 ==, 3 #-(1) where: K S Rcovery of gold in pyritic ores - Mine Engineer.Com If the assay is 2 ounces per ton, there are generally larger gold particles present along with the typically fine micron sized gold. When the grade diminishes to say, 0.2 ounces per ton, there are generally only micron sized particles associated with the pyrites in the ore.    Read More

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