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placerA surficial mineral deposit formed by mechanical concentration of valuable minerals from weathered debris, usually through the action of stream currents or of waves.
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placerDescribing the environment of a placer deposit.
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placera surface deposit of heavy mineral particles like gold or platinum. In the mid-1800s, placer mining by pick and pan gave way to powerful hydraulic hoses that washed away entire hillsides.
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placer(n) an alluvial deposit that contains particles of some valuable mineral
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placerA deposit of valuable minerals in a lake-, river-, or seabed.
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placerA concentrated deposit of heavy mineral particles that formed through the gravitational sorting action of moving water.
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placeralluvial deposit containing particles or larger pieces of gold or other minerals.
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