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单词 placer mining
释义

placer mining


placer mining

n. The obtaining of minerals from placers by washing or dredging.
placer miner n.
Thesaurus
Noun1.placer mining - mining valuable minerals from a placer by washing or dredgingplacer mining - mining valuable minerals from a placer by washing or dredgingmining, excavation - the act of extracting ores or coal etc from the earth
Translations
orpaillage

placer mining


placer mining:

see miningmining,
extraction of solid mineral resources from the earth. These resources include ores, which contain commercially valuable amounts of metals, such as iron and aluminum; precious stones, such as diamonds; building stones, such as granite; and solid fuels, such as coal and
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placer mining

[′plās·ər ‚mīn·iŋ] (mining engineering) The extraction and concentration of heavy metals from placers. Mining of gold by washing the sand, gravel, or talus.
MedicalSeemining

placer mining


Related to placer mining: Hydraulic mining, Open pit mining
  • noun

Words related to placer mining

noun mining valuable minerals from a placer by washing or dredging

Related Words

  • mining
  • excavation
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更新时间:2024/11/11 23:39:09