gold mining method

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    13-12-2016· By 1866, lots of the independent miners, who had come to California during the gold rush, were losing their lust for gold. New mining methods required more ...

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    Gold Extraction Methods. Alluvial gold is extracted using a rocker and cradle or simple sluice and various panning techniques. Reef gold is imbedded in quartz rock ...

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    Topic 5: Mining Methods-Part I-Surface mining

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    Gold mining underground and the extraction of gold A gold bar being cast Even though the precious metal gold only occurs very rarely indeed, it can be found

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    Underground Mining Methods and Applications FIGURE 1.3 Post room-and-pillar mining mined out Numbers indicate sequence of extraction FIGURE 1.4 Step-room mining .

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    In the hydraulic mining of gold the rebounding stream of water and mineral fragments is directed into ... In placer mining. In sluicing or hydraulicking methods, ...

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