FIELD: mining industry. SUBSTANCE: method for extraction of ores intended for leaching includes exploration by means of sampling workings with separation of qualitatively different components and their slice-portion extraction from mass in revealed contours. Novelty consists in that during exploration, ore components are revealed by standardized enlarged stable ratios of main metal-containing and associated minerals and by concentrations of metals characterizing suitability of ores for leaching process. Slice-portion extraction is accomplished in contours revealed by sampling workings and forecast transition contours. EFFECT: higher efficiency.
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Authors
Dates
1995-09-27—Published
1995-05-11—Filed