- bright coal
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coal consisting of alternating layers of clarain and vitrain.
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Universalium. 2010.
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Universalium. 2010.
bright coal — noun : a bituminous coal distinguished by its fine banding, higher moisture, nitrogen and sulfur content, and its smaller percentage of ash compare splint coal * * * coal consisting of alternating layers of clarain and vitrain … Useful english dictionary
Bright — may refer to:*Brightness, the perception of how dark or light a source of luminance is *Being bright , describing colloquially, something with intelligence (trait) *The Brights movement, a social movement promoting the naturalistic… … Wikipedia
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 Seams of the South Yorkshire Coalfield — The coal seams worked in the South Yorkshire coalfield lie mainly in the middle coal measures. These are a series of mudstones, shales, sandstones, and coal seams laid down during the Carboniferous period about 350 million years ago. The total… … Wikipedia
Coal type — The classification is based on physical characteristics or microscopic constituents. Examples of coal types are banded coal, bright coal, cannel coal, and splint coal. The term is also used to classify coal according to heat and sulfur content … Energy terms
Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur … Wikipedia
Coal Tit — Adult British Coal Tit, P. a. britannicus (note greenish grey back) Conservation status … Wikipedia
Coal phase out — A coal phase out is a type of fossil fuels policy that dictates the gradual shutdown of operating coal fired power plants while prohibiting construction of new plants. Main Causes Environment Global warming The primary reasons for a government to … Wikipedia
Coal gas — Towngas redirects here. For the company in Hong Kong trading as Towngas , see The Hong Kong and China Gas Company Limited. See also: Coal gasification and Coal seam gas Coal gas (also town gas and illumination gas) is a flammable gaseous… … Wikipedia
Coal River (West Virginia) — For other uses, see Coal River (disambiguation). The Coal River at Upper Falls … Wikipedia