shallow coal bed

См. также в других словарях:

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

• Fluidized bed — For other uses, see Fluidized bed (disambiguation). Oldest power station utilizing circular fluidized bed technology, in Lünen, Germany A fluidized bed is formed when a quantity of a solid particulate substance (usually present in a holding… …   Wikipedia

• Carboniferous Period — Interval of geologic time 354–290 million years ago, marked by great changes in world geography. All the landmasses drew closer together as a result of tectonic plate movements. The supercontinent Gondwana occupied much of the Southern Hemisphere …   Universalium

• natural gas — a combustible mixture of gaseous hydrocarbons that accumulates in porous sedimentary rocks, esp. those yielding petroleum, consisting usually of over 80 percent methane together with minor amounts of ethane, propane, butane, nitrogen, and,… …   Universalium

• Marcellus Formation — Stratigraphic range: Middle Devonian …   Wikipedia

• New Exploration Licensing Policy — (NELP) was conceptualised by the Government of India, during 1997 98 to provide an equal platform to both Public and Private sector companies in exploration and production of hydrocarbons with Directorate General of Hydrocarbons (DGH) as a nodal… …   Wikipedia

• South Yorkshire Coalfield — The South Yorkshire Coalfield is defined by a triangle lying between Barnsley, Doncaster and Sheffield, though a few mines within the coalfield lie outside this area. It is part of the larger Midland coal field which stretches from Nottingham in… …   Wikipedia

• geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …   Universalium

• Carbon dioxide — Carbon dioxide …   Wikipedia

• Methane — Methane …   Wikipedia