- brown-coal mining area
- <min> ■ Braunkohlerevier n
English-german technical dictionary. 2013.
English-german technical dictionary. 2013.
Coal mining in Kentucky — Coal was discovered in Kentucky in 1750. Since the first commercial coal mine opened in 1820 coal has gained both economic importance and controversy regarding its environmental consequences. As of 2010 there are 442 operating coal mines in the… … Wikipedia
Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo … Wikipedia
Coal-mining region — World coal producers and consumers. Coal reserves in BTUs as of 2009 … Wikipedia
History of coal mining — Due to its abundance, coal has been mined in various parts of the world throughout history and continues to be an important economic activity today. Compared to wood fuels, coal yields a higher amount of energy per mass and could be obtained in… … Wikipedia
Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur … Wikipedia
Coal Palace — Motto: Coal is light, heat, and power. General information Architectural style … Wikipedia
Coal gasification — is the process of producing coal gas, a type of syngas–a mixture of carbon monoxide (CO), hydrogen (H2), carbon dioxide (CO2) and water vapour (H2O)–from coal. Coal gas, which is a combustible gas, was traditionally used as a source of energy for … 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 seam fire — A coal seam fire near Denniston, New Zealand A coal seam fire or mine fire is the underground smouldering of a coal deposit, often in a coal mine. Such fires have economic, social and ecological impacts. They are often started by lightning, grass … Wikipedia
Coal in Australia — Australian Energy resources and major export ports … Wikipedia
Coal Region — This article is about coal mining region in northeast Pennsylvania. For coal mining regions in general, see coal mining region. Anthracite Coal fields of Pennsylvania … Wikipedia