placer mining
Mining technique where raw materials deposited on the surface are extracted by removing the detritus with running water. The mineral may be found in deep channels, in navigable streams, or in estuaries or creeks and rivers where the sea ebbs and flows. When water under pressure is used, the term hydraulic mining is usually employed. Source: Infomine, Mining Dictionary.
- Part of Speech: adjective
- Industry/Domain: Mining
- Category: General mining
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(Nanaimo, Canada)