thick seam mining

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• 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

• 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 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

• 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

• 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

• Open-pit mining — El Chino, located near Silver City, New Mexico, is an open pit copper mine …   Wikipedia

• 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

• Consol Energy — Consolidation Coal Company redirects here. For the unrelated company that formerly operated under the same name in Iowa, see Consolidation Coal Company (Iowa). Consol Energy Consol Energy logo Type Public …   Wikipedia

• Consolidation Coal Company — Infobox Company company name = Consolidation Coal Company company company type = Private before 1966 and a subsidiary thereafter until 1999 foundation = Cumberland, Maryland(1864) industry = Coal Railroad dates = 1860 1999The Consolidation Coal… …   Wikipedia

• History of West Virginia — Trans Allegheny at Hawks Nest, New River Valley West Virginia is one of two American states formed during the American Civil War (1861–1865), along with Nevada, and is the only state to form by seceding from a Confederate state. It was originally …   Wikipedia

• History of Cumberland, Maryland — Cumberland, Maryland is named after the son of King George II, Prince William, the Duke of Cumberland. It is built on the site of the old Fort Cumberland, a launch pad for British General Edward Braddock s ill fated attack on the French strong… …   Wikipedia