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the mining process The Mining Process Once a mining lease has been awarded to an operator, exploration (i.e. evaluation of the resource) takes place, followed by a planning and development process before excavation or mining begins.

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Longwall Mining Longwall mining is a highly productive underground coal mining technique. Longwall mining machines consist of multiple coal shearers mounted on a series of self-advancing hydraulic ceiling supports.

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EVALUATION OF MINING ACTIVITIES USING A SCENARIO INTERVIEW APPROACH Fred Turin Lisa Steiner Kim Cornelius NIOSH, Pittsburgh Research Laboratory Pittsburgh, PA NIOSH researchers have been examining underground coal mining activities in order to evaluate work crew hazards. In 1994 a continuous mining machine operator was killed by

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When coal seams are near the surface, it may be economical to extract the coal using open cut (also referred to as open cast, open pit, mountaintop removal or strip) mining methods. Open cast coal mining recovers a greater proportion of the coal deposit than underground methods, as more of the coal seams in the strata may be exploited. This equipment can include the following: Draglines …

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This method recovers a higher proportion of the coal deposit than underground mining as all coal seams are exploited - 90% or more of the coal can be recovered. Large opencast mines can cover an area of many square kilometres and use very large pieces of equipment, such as draglines, power shovels, large trucks, bucket wheel excavators and ...

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section describes underground mining equipment, with particular focus on excavation machinery such as boomheaders, coal cutters, continuous miners and shearers. 1.

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Fatality #18 - September 24, 2004 Electrical - Underground - VA Cumberland River Coal Co. - Fork Ridge Mine Coal Mine Fatality - On September 24, 2004, at approximately 8:40 P.M., a 46 year-old face equipment operator with 30 years mining experience was fatally injured in an underground coal