Contour strip mining definition

Contour strip mining means that strip-mining method commonly carried out in areas of rough
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Contour strip mining means that strip-mining method commonly carried out in areas of rough and hilly topography in which the coal or mineral seam outcrops along the side of the slope and entrance are made to the seam by excavating a bench or table cut at and along the site of the seam outcropping, with the excavated overburden commonly being cast down the slope below the mineral seam and the operating bench.
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Examples of Contour strip mining in a sentence

  • Contour strip mining" means that strip-mining method commonly carried out in areas of rough and hilly topography in which the coal or mineral seam outcrops along the side of the slope and entrance are made to the seam by excavating a bench or table cut at and along the site of the seam outcropping, with the excavated overburden commonly being cast down the slope below the mineral seam and the operating bench.

  • Contour strip mining (a method of surface mining)—that is, mining along the contour of a mountain ridge—began with steam technology in the early 20th century (Montrie 2003: 21).

  • The Contour strip mining in Martin County, Ky. Photo credit OTA deeper the mine, the bigger the relative to the mined-out areaspillars must be I n some cases,anized undercutting, drilling, and loading.

Related to Contour strip mining

  • Uppermost aquifer means the geologic formation nearest the natural ground surface that is an aquifer, as well as lower aquifers that are hydraulically interconnected with this aquifer within the facility's property boundary.

  • Surface mining means mining by removing the overburden lying above the natural deposits and excavating directly from the natural deposits exposed, or by excavating directly from deposits lying exposed in their natural state and shall include dredge operations conducted in or on natural waterways or artificially created waterways within the state.

  • Underground mining means all methods of mining other than surface mining.

  • Channel migration zone (CMZ) means the area where the active channel of a stream is prone to move and this results in a potential near-term loss of riparian function and associated habitat adjacent to the stream, except as modified by a permanent levee or dike. For this purpose, near-term means the time scale required to grow a mature forest. (See board manual section 2 for descriptions and illustrations of CMZs and delineation guidelines.)

  • Groceries means food as defined in 7 U.S.C. 2012(k), but does not include cannabinoid

  • Sailboat means the same as that term is defined in Section 73-18-2.

  • Dewatering means the removal of water for construction activity. It can be a discharge of appropriated surface or groundwater to dry and/or solidify a construction site. It may require Minnesota Department of Natural Resources permits to be appropriated and if contaminated may require other MPCA permits to be discharged.

  • Stormwater management planning area means the geographic area for which a stormwater management planning agency is authorized to prepare stormwater management plans, or a specific portion of that area identified in a stormwater management plan prepared by that agency.

  • Pipeline means any pipe, pipes, or pipelines used for the intrastate transportation or transmission of any solid, liquid, or gaseous substance, except water.

  • Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.

  • cogeneration means the simultaneous generation in one process of thermal energy and electrical or mechanical energy;

  • Co-generation means the sequential production of electricity

  • Flowgate means a representative modeling of facilities or groups of facilities that may act as potential constraint points.

  • Underground area means an underground room, such as a basement, cellar, shaft or vault, providing enough space for physical inspection of the exterior of the tank situated on or above the surface of the floor.

  • Drainage area means a geographic area within which stormwater, sediments, or dissolved materials drain to a particular receiving waterbody or to a particular point along a receiving waterbody.

  • Underground storage means storage of hazardous liquid in a subsurface stratum or formation of the earth.

  • townsite in relation to the townsite to be established near the harbour means a townsite (whether or not constituted and defined under section 10 of the Land Act) primarily to facilitate the Company’s operations in and near the harbour and for employees of the Company and in relation to the mining areas means such a townsite or townsites or any other townsite or townsites which is or are established by the Company for the purposes of its operations and employees on or near the mining areas in lieu of a townsite constituted and defined under section 10 of the Land Act;

  • Vegetation means trees, shrubs, nursery stock and other vegetation and includes the limbs or growth of any Vegetation.

  • Water Main means (subject to Section 219(2) of the 1991 Act) any pipe, not being a pipe for the time being vested in a person other than the water undertaker, which is used or to be used by a water undertaker or licensed water supplier for the purpose of making a general supply of water available to customers or potential customers of the undertaker or supplier, as distinct from for the purpose of providing a supply to particular customers;