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Gold is mined by 4 different methods. Placer mining, hard rock mining, byproduct mining and by processing gold ore.
How Underground Mining Works. ... The least common method in hard-rock mining, ... The collapsed ore is hauled out the mine for processing [source: ...
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Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals such as those containing metals like gold, copper, zinc ...
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Gold Mining Methods ... digging solid veins of gold out of rock, ... A tunnel is drilled or blasted to the source of the ore, which is transported out for processing ...
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Extracting gold from rock . Updated Tuesday ... In some cinnabar ores, ... The next step in the process is to separate the gold amalgam from any 'unreacted' mercury.
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