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Small Scale Mineral Prospecting And Placer Mining

1.1.3.2 placer mining placer mining is used when the metal of interest is associated with sediment in a stream bed or floodplain. bulldozers, dredges, or hydraulic jets of water (a process called hydraulic mining) are used to extract the ore. placer mining is usually aimed at removing gold from stream sediments and floodplains. because placer.

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