- longwall method
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• система разработки длинными забоями• сплошная система разработки
English-Russian dictionary of geology. 2011.
longwall method
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Longwall mining — is a form of underground coal mining where a long wall (typically about 250 400 m long) of coal is mined in a single slice (typically 1 2 m thick). The longwall panel (the block of coal that is being mined) is typically 3 4 km long and 250 400 m… … Wikipedia
longwall system — ˈ ̷ ̷ˌ ̷ ̷ noun Etymology: longwall from long (I) + wall : a method of coal mining in which the working face extends entirely across the seam, the work proceeds either away from or toward the main shaft, and the roof is allowed to cave in behind… … Useful english dictionary
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
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Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo … Wikipedia
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 companies of Australia — Contents 1 Anglo Coal Australia Ltd 1.1 Anglo Coal Callide Mine 1.2 Anglo Coal Capcoal Mine … Wikipedia
