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Definitions from WordNet | ||||
Definitions from the WebPlacer MiningDescription:Placer mining refers to the extraction of valuable minerals from alluvial deposits, such as sand, gravel, or soil, typically using simple tools and techniques. This form of mining does not involve extensive excavation or tunneling but relies on the natural process of water erosion to separate the valuable materials from the sediment. Senses and Usages:Sense 1:Noun A method of mining where valuable minerals are extracted from sediments and gravels found in riverbeds, stream terraces, or other similar deposits. Sample Sentence: Placer mining was a common practice during the gold rushes of the 19th century. Sense 2:Verb The act of engaging in placer mining to extract valuable minerals. Sample Sentence: The miners spent months placer mining along the riverbanks in search of gold. Related Products: | ||||
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