process of a gold mine,The Mining Process – Waihi GoldMining – open pit and underground. To define the ore from the waste rock, samples are taken and assayed. Assay results are used to mark out areas of ore and.process of a gold mine,Gold mining - WikipediaCyanide extraction of gold may be used in areas where fine . by using a strong solution of caustic soda and cyanide, a process.
process of a gold mine