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coal-bearing strata

См. также в других словарях:

  • coal measures — n. 1. coal beds or strata 2. sedimentary Carboniferous rocks that include coal bearing strata …   English World 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 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

  • 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 Measures — /ˈkoʊl mɛʒəz/ (say kohl mezhuhz) plural noun Geology 1. a portion of the carboniferous system in Europe or North America, characterised by coal deposits. 2. a portion of the Permian system in the Southern Hemisphere and India characterised by… …  

  • 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 Measures Group — The Coal Measures Group is a lithostratigraphical term coined to refer to the coal bearing succession of rock strata which occur in Great Britain within the Westphalian Stage of the Carboniferous Period. The Coal Measures Group is preceded… …   Wikipedia

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

  • Bituminous coal — is a relatively soft coal containing a tarlike substance called bitumen. It is of higher quality than lignite coal but poorer quality than anthracite coal. Bituminous coal is an organic sedimentary rock formed by diagenetic and submetamorphic… …   Wikipedia

  • geochronology — geochronologic /jee oh kron l oj ik/, geochronological, adj. geochronologist, n. /jee oh kreuh nol euh jee/, n. the chronology of the earth, as based on both absolute and relative methods of age determination. [1890 95; GEO + CHRONOLOGY] * * *… …   Universalium

  • Polystrate fossil — [ Nova Scotia, Canada (printed 1868).] Polystrate or upright fossil describes fossils of single organisms (such as tree trunks) that run through more than one geological strata. Entire fossil forests have been discovered [… …   Wikipedia

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