- thickness of coal
- мощность угольного пласта
English-Russian mining dictionary. 2015.
English-Russian mining dictionary. 2015.
Coal bed methane extraction — (CBM extraction) is a method for extracting methane from a coal deposit. Contents 1 Basic principles 2 Areas with coal bed methane extraction 3 Measuring the gas content of coal … Wikipedia
Coal sampling — The collection and proper storage and handling of a relatively small quantity of coal for laboratory analysis. Sampling may be done for a wide range of purposes, such as: coal resource exploration and assessment, characterization of their… … Energy terms
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
Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo … Wikipedia
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 Seams of the South Yorkshire Coalfield — The coal seams worked in the South Yorkshire coalfield lie mainly in the middle coal measures. These are a series of mudstones, shales, sandstones, and coal seams laid down during the Carboniferous period about 350 million years ago. The total… … Wikipedia
coal measures — noun plural : beds of coal with the associated rocks varying in thickness from a few feet to several thousand feet and consisting of shales, sandstones, limestones, and conglomerates with interstratified beds of coal and occasionally of iron ore … Useful english dictionary
Problems in coal mining — Coal mining cannot be done everywhere with coal, due to certain restrictions.ProblemsDip of strataDue to current machinery, a permament feedback is required.FaultingIf a fault hits a rock with a coal seam inside, the coal seam moves. Machinery… … Wikipedia
Measured resources, coal — Coal resources for which estimates of the rank, quality, and quantity have been computed, within a margin of error of less than 20 percent, from sample analyses and measurements from closely spaced and geologically well known sample sites.… … Energy terms
Underground coal gasification — (UCG) is an in situ gasification process carried out in non mined coal seams using injection and production wells drilled from the surface, which enables the coal to be converted into product gas. The process is flexible in operation and is… … Wikipedia
Big Pit National Coal Museum — Coordinates: 51°46′21″N 3°06′18″W / 51.7724°N 3.1050°W / 51.7724; 3.1050 … Wikipedia