amalgamation beneficiation process of gold

The Use Of Mercury Amalgamation In Gold And Silver Mining. The use of Hg in the mining industry to amalgamate and concentrate precious metals probably dates back to the Phoenicians and Carthaginians who commercialized Hg from Almad233n mines in Spain as earlier as 2700 B P Pliny in his Natural History provided the first detailed description of the amalgamation process as a common gold and ...