FIELD: mining industry. SUBSTANCE: method for intradump concentration of gold-containing rocks includes formation of drainage layer, then, concentrated layer based on crushed gold-containing minerals gold precipitators: barite or gypsum. Then, leached layer of gold containing rocks with high (calcium with magnesium) or low (titanium with aluminium) fractionation of minerals and element affecting gold carrying out. When layers are treated with leaching solutions, taken from special source, gold is dissolved in leached layer, migrate and reprecipitated in concentrated layer. EFFECT: higher efficiency. 3 cl, 1 dwg
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Authors
Dates
1995-08-27—Published
1991-01-31—Filed