coal-face operation

очистная выемка

English-Russian dictionary of geology. 2011.

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  • coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …   Universalium

  • Coal upgrading technology — refers to a class of technologies developed to remove moisture and certain pollutants from low rank coals such as sub Bituminous coal and lignite (brown coal) and raise their calorific values. Companies located in Australia, Germany and the… …   Wikipedia

  • Coal Hill Coal Railroad — Dates of operation about 1861–1871 Successor Pittsburgh and Castle Shannon Railroad Track gauge 3 ft 4 in (1,016 mm) Length 1.5 miles The Coal Hill Coal Railroad began as a coal mine on the north face of Mt. Washington, then… …   Wikipedia

  • Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo …   Wikipedia

  • Underground coal gasification — (UCG) is an in situ gasification process carried out in non mined coal seams using injection and production wells drilled from the surface, which enables the coal to be converted into product gas. The process is flexible in operation and is… …   Wikipedia

  • The Coal Question — Infobox Book | name = The Coal Question; An Inquiry Concerning the Progress of the Nation, and the Probable Exhaustion of Our Coal Mines image caption = Graph included in the treatise author = William Stanley Jevons translator = illustrator =… …   Wikipedia

  • tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   Universalium

  • Denniston, New Zealand — Denniston …   Wikipedia

  • Pleasley Colliery — is a former English coal mine. It is located to the NW of Pleasley village which sits astride the River Meden on the Nottinghamshire/Derbyshire border. HistoryTimelineIt was sunk in the 1870s and produced coal until 1983. By some miracle it… …   Wikipedia

  • Mine railway — Preserved typical mine train at the Museu de Les Mines d Eschucha, Spain A mine railway is a railway constructed to carry materials and workers in and out of a mine.[1] Materials transported typically include ore, coal and spoil. Today most mine… …   Wikipedia

  • Underground mining equipment —   A coal cutting machine is used in conventional mining to undercut, top cut, or shear the coal face so that coal can be fractured easily when blasted. It cuts 9 to 13 feet into the bed.   Continuous auger machine is used in mining coalbeds less… …   Energy terms

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