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出典:Wiktionary
出典:『Wiktionary』 (2015/04/05 07:33 UTC 版)
hydraulic mining (uncountable)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/03 02:04 UTC 版)
Hydraulic mining, or hydraulicking, is a form of mining that uses high-pressure jets of water to dislodge rock material or move sediment. In the placer mining of gold or tin, the resulting water-sediment slurry is directed through sluice boxes to remove the gold.
hydraulic mining