| 释义 |
placer mining
placer miningn. The obtaining of minerals from placers by washing or dredging.
placer miner n.Thesaurus| Noun | 1. |  placer mining - mining valuable minerals from a placer by washing or dredgingmining, excavation - the act of extracting ores or coal etc from the earth |
Translations
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
..... Click the link for more information. .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. MedicalSeeminingplacer mining
Related to placer mining: Hydraulic mining, Open pit miningWords related to placer miningnoun mining valuable minerals from a placer by washing or dredgingRelated Words |