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A: Name: Chemical symbol: Gold nonferrous metals: Au
Two: gold ore deposit in the state of nature
There are gold-bearing minerals found in 98 species, there are 47 kinds of common, direct industrial value also about 10 species exist in the form of generally divided into three categories, namely vein gold (Gold Mine, endogenous gold) and gold placer (alluvial type, alluvial, sandy type, product type and slope exogenous gold), and associated gold (in the utilization of non-ferrous minerals which can be recovered)
Three: choose another way process: flotation, re-election, amalgamation, cyanide leaching, carbon-dip
Four: rock industry standard (mining standards)
Underground mining placer: Cut-off grade: 1 g/m3, the lowest industrial grade: 3 g/m3.
Rock gold mine general industrial requirements: cutoff grade :1-2g / t; lowest industrial grade :3-5g / t.
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