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coal deposits

См. также в других словарях:

  • 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 — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur …   Wikipedia

  • Coal mining in Kentucky — Coal was discovered in Kentucky in 1750. Since the first commercial coal mine opened in 1820 coal has gained both economic importance and controversy regarding its environmental consequences. As of 2010 there are 442 operating coal mines in the… …   Wikipedia

  • Coal Palace — Motto: Coal is light, heat, and power. General information Architectural style …   Wikipedia

  • Coal bed methane extraction — (CBM extraction) is a method for extracting methane from a coal deposit. Contents 1 Basic principles 2 Areas with coal bed methane extraction 3 Measuring the gas content of coal …   Wikipedia

  • coal age — or coal age, the Carboniferous period, during which most of the coal deposits were formed: »By the latter part of the Coal Age, this continent had begun to crack up and the pieces to drift apart (White and Renner) …   Useful english dictionary

  • Coal Age — or coal age, the Carboniferous period, during which most of the coal deposits were formed: »By the latter part of the Coal Age, this continent had begun to crack up and the pieces to drift apart (White and Renner) …   Useful english dictionary

  • coal measures — coal′ meas ures n. pl. 1) gel coal bearing strata 2) gel (caps.) a portion of the Carboniferous System characterized by widespread coal deposits …   From formal English to slang

  • coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… …   Universalium

  • Coal-mining region — World coal producers and consumers. Coal reserves in BTUs as of 2009 …   Wikipedia

  • coal measures — Geol. 1. coal bearing strata. 2. (caps.) in Europe, a portion of the Carboniferous System, characterized by widespread coal deposits. [1655 65] * * * Major division of Upper Carboniferous (323–290 million years ago) rocks and time in Great… …   Universalium

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