Gold extraction - WikipediaGold 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 .. up ^ (secondary)L Drude De Lacerda, W Salomons - Mercury from Gold and.what is secondary process for gold mining,Gold Process Description - Mineral Processing & Extractive MetallurgyJan 23, 2016 . In our Gold Process Description EXAMPLE, the ore will be received by the . The secondary crusher product is combined with the primary.
what is secondary process for gold mining