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Extraction Of Gold Process

the mining process waihi gold,the mining process 1. mining open pit and underground. to define the ore from the waste rock, samples are taken and assayed. 2. crushing 3. transport 4..method of gold extraction using borax -small scale miners ,the ore is mixed with water and crushed in a rod mill (a rotating drum with metal rods inside), after which mercury is added and milled with the ore .processing, smelting and refining gold,from ore to dor more gold is recovered by cyanidation than by any other process. in cyanidation, metallic gold is oxidised and dissolved in an alkaline cyanide .hydrometallurgical recovery of gold from mining wastes ,a possible source is represented by mine wastes resulting from the processing of polymetallic or sulfidic ores. the reprocessing of wastes and old tailings with .

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