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smelting of goldprocessing

Gold extraction - Wikipedia, the free encyclopedia

1 History; 2 Types of ore; 3 Concentration; 4 Leaching; 5 Refractory gold processes; 6 Gold smelting. 6.1 History of smelting; 6.2 Mercury removal; 6.3 Iron removal ...

How to Process Gold Ore | eHow

Gold can be found in quartz veins and ore throughout gold-bearing regions of the world. Ore is any mineral that contains enough precious metals to make it profitable ...