overburden thickness

overburden thickness
мощность перекрывающих отложений
мощность покрывающей толщи

English-Russian dictionary of geology. 2011.

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Смотреть что такое "overburden thickness" в других словарях:

  • Overburden ratio —   Overburden ratio refers to the amount of overburden that must be removed to excavate a given quantity of coal. It is commonly expressed in cubic yards per ton of coal, but is sometimes expressed as a ratio comparing the thickness of the… …   Energy terms

  • Bemolanga — is the name of a large tar sands deposit in the onshore Morondava Basin of Madagascar discovered in the early 1900s. Madagascar Oil is current license holder of the Bemolanga field. It describes the field as being a giant bitumen field of 8… …   Wikipedia

  • 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

  • mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

  • Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo …   Wikipedia

  • List of unusual units of measurement — For units of measure primarily used in countries where English is not the main language, see the article specific to that country, a list of which can be found in the systems of measurement article. An unusual unit of measurement is a unit of… …   Wikipedia

  • Strip or stripping ratio —   The amount of overburden that must be removed to gain access to a unit amount of coal. A stripping ratio may be expressed as (1) thickness of overburden to thickness of coal, (2) volume of overburden to volume coal, (3) weight of overburden to… …   Energy terms

  • Salt tectonics — is concerned with the geometries and processes associated with the presence of significant thicknesses of rock salt within a sequence of rocks. This is due both to the low density of salt, which does not increase with burial, and its low strength …   Wikipedia

  • metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …   Universalium

  • Oil well control — is the management of the dangerous effects caused by unexpected high pressures upon surface equipment of oil or gas drilling rigs. Technically, oil well control involves preventing Formation fluid, usually referred to as kick, from entering into… …   Wikipedia

  • permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …   Universalium


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