riffles

См. также в других словарях:

• riffles — rif·fle || rɪfl n. act of shuffling cards; part of a stream with a strong swift current, rapid v. shuffle cards; leaf through, thumb through; turn pages quickly …   English contemporary dictionary

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• placer mining — ☆ placer mining [plas′ər ] n. mining of placer deposits by washing, dredging, or other hydraulic methods * * * Oldest method of recovering gold from alluvial deposits. It takes advantage of gold s high density, which causes it to sink more… …   Universalium

• river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

• 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

• Clanwilliam Yellowfish — Conservation status Vulnerable (IUCN 2.3) Scientific classification Ki …   Wikipedia

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

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• List of place names in Canada of Aboriginal origin — This list of place names in Canada of Aboriginal origin contains Canadian places whose names originate from the words of the First Nations, Métis, or Inuit, collectively referred to as Aboriginal peoples in Canada. When possible the original word …   Wikipedia

• Gold rush tools and methods — A variety of tools and methods were used during the Gold rushes of the 19th century. This article covers the tools and methods used during the California Gold Rush, the Fraser River Gold Rush, the Cariboo Gold Rush, and the Klondike Gold Rush.… …   Wikipedia