Ore Grades As Little As Mg Kg
ore grades as little as mg kg. Low grade ores – Smelt, leach or concentrate? Cited by: 226. What Does the Grade of a Gold Mine Refer To? Understanding Gold Grading All precious metals are graded by the proportion of metal in the ore Grams per tonne of milled ore, or g/t, is the most common metric used to represent the grade of ore.
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