Gold mining - Wikipedia, the free encyclopedia

Gold mining is the process of mining of gold or gold ores from the ground. There are several .... These operations typically include diesel powered, earth moving equipment, including excavators, bulldozers, wheel loaders, and ... Other gold mines use underground mining, where the ore is extracted through tunnels or shafts.

Gold: History of Use, Mining, Prospecting, Assay & Production

A USGS publication on the history of gold uses, gold mining, gold prospecting, assays and gold production.

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Gold Mining in the US. ... The rocker is a crude gold concentrating machine that combines shaking motion of the pan with some features of the sluice. Riffles or ... Using the rocker both gravel and water were introduced by hand. Using a sluice...

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