Gold Extraction and Recovery Processes Semantic Scholar
common method used in the leaching of gold from the ore. This process involves the dissolution of gold ... Goldquartz lodes Hydrothermal veins Mostly precambrian To be expected in precambrian ... 4. Pyrometallurgy (in the smelting and refining of base metal ores and concentrates) 5. Hydrometallurgy (direct cyanidation, cyanidation with carbon ...