coal seam

coal seam
A stratum of coal between strata of other rocks.

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  • Coal seam fire — A coal seam fire near Denniston, New Zealand A coal seam fire or mine fire is the underground smouldering of a coal deposit, often in a coal mine. Such fires have economic, social and ecological impacts. They are often started by lightning, grass …   Wikipedia

  • coal seam gas mine — noun a facility for extracting coal seam gas from an underground coal seam for processing and delivery as a source of energy …  

  • coal seam gas — noun gas, mostly methane, coming from fractures and cleats in coal seams and released when pressure on the coal seam is reduced, usually by the removal of water; mined as a source of energy. Abbrev.: CSG Also, coal bed methane …  

  • coal seam — noun a seam of coal • Hypernyms: ↑seam, ↑bed • Part Meronyms: ↑coalface * * * noun : a bed of coal usually thick enough to be mined with profit * * * a bed of coal. [1840 50] …   Useful english dictionary

  • coal seam — n the stratum, layer, or bed of coal that lies between two other rock layers whose compositions differ significantly from that of coal …   Coke&Coal Terminology

  • coal seam — noun Date: 1811 a bed of coal usually thick enough to be profitably mined …   New Collegiate Dictionary

  • coal seam — a bed of coal. [1840 50] * * * …   Universalium

  • coal seam — thin layer of coal …   English contemporary dictionary

  • Coal seam —   A mass of coal, occurring naturally at a particular location, that can be commercially mined.   California Energy Comission. Dictionary of Energy Terms …   Energy terms

  • 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

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