- impure coal
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• зольный минерализованный уголь• нечистый уголь
English-Russian dictionary of geology. 2011.
impure coal
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impure coal — n coal having 25 weight % or more, but less than 50 weight %, of ash on the dry basis. DISCUSSION Bone coal with more than 50 weight % ash is properly called coaly or carbonaceous shale or siltstone. Types of impure coal other than bone coal and… … Coke&Coal Terminology
Coal breaker — A coal breaking plant, depicted on a postcard in 1907. A coal breaker was a coal processing plant which broke coal into various useful sizes. Coal breakers also removed impurities from the coal (typically slate) and deposited them into a culm… … Wikipedia
Coal sampling — The collection and proper storage and handling of a relatively small quantity of coal for laboratory analysis. Sampling may be done for a wide range of purposes, such as: coal resource exploration and assessment, characterization of their… … Energy terms
coal — n a brown to black combustible sedimentary rock (in the geological sense) composed principally of consolidated and chemically altered plant remains. DISCUSSION Conditions required for formation of coal are believed to include accumulation of… … Coke&Coal Terminology
coal-tar creosote — impure phenol or carbolic acid, distinct from the creosote of wood tar. * * * … Universalium
coal-tar creosote — noun a dark oily liquid obtained by distillation of coal tar; used as a preservative for wood • Syn: ↑creosote • Derivationally related forms: ↑creosote (for: ↑creosote) • Hypernyms: ↑organic compound … Useful english dictionary
coal-tar creosote — /ˌkoʊl ta ˈkriəsoʊt/ (say .kohl tah kreeuhsoht) noun impure phenol, distinct from the creosote of wood tar …
mineralized coal — n impure coal that is heavily impregnated with mineral matter, either dispersed or discretely localized along cleat joints or other fissures. Pyritic or calcareous mineralized coal is most common … Coke&Coal Terminology
bone coal — n impure coal that contains much clay or other fine grained detrital mineral matter … Coke&Coal Terminology
Minden Coalfield — This spoil tip (the Schwarzer Hucken i.e. the Black Back ) in Bölhorst, for a long time recalled mining in the area The Minden Coalfield (German: Mindener Revier) is located in the norther Wiehen foothills near the German town of Minden. Here,… … Wikipedia
Late Triassic — The Late Triassic (also known as Upper Triassic, or Keuper) is the third and final of three epochs of the Triassic period. It spans the time between 228 ± 2 Ma and 199.6 ± 0.6 Ma (million years ago). The Late Triassic is divided into the Carnian … Wikipedia
