USGS: Science Topics: placer deposit mining

Science Topics

Placer deposit mining

Extraction of minerals, typically metal ores, from unconsolidated surficial materials such as stream sediments.

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The principal rare earth elements deposits of the United States-A summary of domestic deposits and a global perspective [More info]: Explains the geologic setting in which these deposits are found, with information about production and the processes used to extract these valuable mineral resources.

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U.S. Department of the Interior | U.S. Geological Survey
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