river placer

См. также в других словарях:

• 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

• Placer — (spr. Plassär), Grafschaft im Norden des Staates Californien (Nordamerika), an Utah grenzend; ungefähr 60 QM.; im Süden vom Middle Fork des American River, im Norden vom Bear River begrenzt, im Osten gebirgig (durch die Sierra Nevada od. Snowy… …   Pierer's Universal-Lexikon

• Placer — Plac er, n. [Sp.] A deposit of earth, sand, or gravel, containing valuable mineral in particles, especially by the side of a river, or in the bed of a mountain torrent. [U.S.] [1913 Webster] …   The Collaborative International Dictionary of English

• placer — ► NOUN ▪ a deposit of sand or gravel in the bed of a river or lake, containing particles of valuable minerals. ORIGIN Latin American Spanish, deposit, shoal …   English terms dictionary

• Placer County, California — Coordinates: 39°04′N 120°44′W / 39.06°N 120.73°W / 39.06; 120.73 …   Wikipedia

• 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

• Placer deposit — In geology, a placer deposit or placer is an accumulation of valuable minerals formed by deposition of dense mineral phases in a trap site. The name is from the Spanish word placer , meaning alluvial sand . Types of placer deposits include… …   Wikipedia

• Placer Dam — Infobox lake lake name = Placer Dam image lake = caption lake = image bathymetry = caption bathymetry = location = 68km South West of Bundaberg, Queensland coords = coord|25.2367|S|151.7991|E|type:waterbody region:AU|display=inline,title type =… …   Wikipedia

• placer — placer1 noun 1》 a person who places something. 2》 a person or animal gaining a specified place. 3》 Brit. informal a dealer in stolen goods. placer2 noun [often as modifier] a deposit of sand or gravel in the bed of a river or lake, containing… …   English new terms dictionary

• Motagua River — River, eastern Guatemala. It is the country s longest river, flowing about 340 mi (550 km) east and northeast into the Gulf of Honduras near the Honduran border. Locally the river is called the Silbapec near its source and the Río Grande farther… …   Universalium

• Koyukuk River — River, central Alaska, U.S. It rises on the southern slope of the Brooks Range and flows southwest for 500 mi (800 km) to join the Yukon River, of which it is a major tributary. It was named for the Koyukon, a local Indian people. * * * ▪ river,… …   Universalium