- thin overburden
-
маломощная вскрыша
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
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
Oil shale in Estonia — Outcrop of Ordovician kukersite oil shale, northern Estonia Oil shale in Estonia is an important resource for the national economy. Estonia s oil shale deposits account for just 17% of total deposits in the European Union but the country… … Wikipedia
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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
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strip mining — mining in an open pit after removal of the overburden. * * * Technique for the surface mining of coal by removing the soil and rock overburden above a seam and extracting the exposed mineral. The method is used to best advantage where the coal… … Universalium
Surface mining equipment — An Auger machine is a large, horizontal drill, generally 3 feet or more in diameter and up to about 100 feet long. It can remove coal at a rate of more than 25 tons per minute. A bucket wheel excavator is a continuous digging machine equipped … Energy terms
Surface mining — is a type of mining in which soil and rock overlying the mineral deposit are removed. It is the opposite of underground mining, in which the overlying rock is left in place, and the mineral removed through shafts or tunnels. Surface mining is… … Wikipedia