Gold extraction Wikipedia
Gold extraction refers to the processes required to extract gold from its ores. This may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore. Gold mining from alluvium ores was once achieved by techniques . Hydraulic mining was used widely in the Californian gold rush, and involved.
Gold processing . Britannica
Gold's chemical stability is based on the relative instability of the compounds that it forms . by oxidizing the other metals and then separating them from the molten gold as a dross. . By 3000 bc gold rings were used as a method of payment.Get Price