- fine gold placer
- россыпь мелкого золота
English-Russian mining dictionary. В.П. Манышев.
English-Russian mining dictionary. В.П. Манышев.
Gold mining in Alaska — Gold mining in Alaska, a state of the United States, has been a major industry and impetus for exploration and settlement since a few years after the United States acquired the territory from Russia. Russian explorers discovered placer gold in… … Wikipedia
Placer mining — (pronounced plass er ) refers to the mining of alluvial deposits for minerals. This may be done by open pit (also called open cast mining) or by various forms of tunneling into ancient riverbeds. Excavation may be accomplished using water… … Wikipedia
Gold mining — Gold mine redirects here. See Goldmine for other uses of the term. Gold mining consists of the processes and techniques employed in the removal of gold from the ground. There are several techniques by which gold may be extracted from the Earth.… … Wikipedia
Gold — This article is about the metal. For the color, see Gold (color). For other uses, see Gold (disambiguation). platinum ← gold → mercury … Wikipedia
Gold mining in Nevada — [ Rawhide, Nevada, 1915] Gold mining in Nevada, a state of the United States, is a major industry, and one of the largest sources of gold in the world. Nevada currently produces 82% of all the gold mined in the United States. [ Mining review,… … Wikipedia
placer deposit — Natural concentration of heavy minerals caused by the effect of gravity on moving particles. When heavy, stable minerals are freed from their matrix by weathering processes, they are slowly washed downslope into streams that quickly winnow the… … Universalium
gold processing — Introduction preparation of the ore for use in various products. For thousands of years the word gold has connoted something of beauty or value. These images are derived from two properties of gold, its colour and its chemical stability.… … Universalium
Gold dust — Dust Dust (d[u^]st), n. [AS. dust; cf. LG. dust, D. duist meal dust, OD. doest, donst, and G. dunst vapor, OHG. tunist, dunist, a blowing, wind, Icel. dust dust, Dan. dyst mill dust; perh. akin to L. fumus smoke, E. fume. [root]71.] 1. Fine, dry… … The Collaborative International Dictionary of English
placer — noun /ˈpleɪsə/ a) Someone who places or arranges something. Placer gold comes from the weathering of the primary veins releasing the gold to be transported by water action and concentrated in gravel or sand beds. b) Someone who deals in stolen… … Wiktionary
Gold nugget — A gold nugget is a naturally occurring piece of native gold. Watercourses often concentrate the nuggets and they are recovered by placer mining, but they may also be found in residual deposits where the gold bearing veins or lodes have decayed.… … Wikipedia
Mining methods of the Klondike Gold Rush — See also: Klondike Gold Rush, Mining Contents 1 During the Klondike Gold Rush (1896 1910) 1.1 Methods of bringing out the gold 1.1.1 Underground mining … Wikipedia