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2 #0183;#32;Coal mining Coal mining Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many
Terminology Some of the terms used in the Coal Mining Industry Adit: A horizontal passageway, open on both ends ~ usually called a tunnel Adze: A curved tool for dressing timber Afterdamp: Gas formed from the products of an explosion of firedamp, composed mainly of carbonic acid and free nitrogen gas
Glossary of Mining Terminology. monoxide. This is a loose term implying any fatal gas in a mine after an explosion or fire. Air Shaft A vertical opening into a mine for the passage of air. equipment, and who issues these items for use upon instruction of competent authority....
Coal mining Coal mining Underground mining: In underground coal mining, the working environment is completely enclosed by the geologic medium, which consists of the coal seam and the overlying and underlying strata. Access to the coal seam is gained by suitable openings from the surface, and a network of roadways driven in the seam then facilitates the installation of service facilities
The Glossary of Mining Terminology is a first attempt to improve Inuktitut terminology in the resource development field. The aim of the glossary is to clarify some technical words associated with resource development using everyday language. The Glossary of Mining Terminology is a living document that will continue to be improved as the industry develops and Inuktitut speakers become more
Bootleg Coal The mining and/or selling of coal from an area not owned by the miner or without the owner''s permission. Bord A chamber excavated in coal, off a balance. In some coal fields, a bord is called a room. Bore Hole A hole of small diameter drilled or bored to explore the strata beneath, above, beside or ead.
Bootleg Coal The mining and/or selling of coal from an area not owned by the miner or without the owner''s permission. Bord A chamber excavated in coal, off a balance. In some coal fields, a bord is called a room. Bore Hole A hole of small diameter drilled or bored to explore the strata beneath, above, beside or ead.
Download Coal Exploration and Mining Geology Encyclopedia of Life book pdf free download link or read online here in PDF. Read online Coal Exploration and Mining Geology Encyclopedia of Life book pdf free download link book now. All books are in clear copy here, and all
This is a partial glossary of coal mining terminology commonly used in the coalfields of the United Kingdom. Some words were in use throughout the coalfields, some are historic and some are local to the different British coalfields.
Glossary of Mining Terms A Abutment In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is
Glossary of coal mining terminology From Wikipedia, the free encyclopedia This is a partial glossary of coal mining terminology commonly used in the coalfields of the United Kingdom. Some words were in use throughout the coalfields, some are historic and some are local to the different British coalfields.
(Coal mining technique) Auger mining is a technique for recovering coal from a seam located behind a highwall (can also be used underground). One of the lower cost techniques for coal mining, it is usually carried out horizontally or slightly angled into a coal seam behind the highwall.
Glossary of Mining Terminology Glace Bay
Having trouble understanding mining terminology? Heres a comprehensive AZ guide of mining terms you need to know if you are considering investing in the mining industry or are just curious about how mining works. AC drilling: Air core drilling; Air blast drilling technique with limited coring capability.
INTRODUCTION. The intended purpose of this Website . is to provide a reference document for all aspects of underground coal mining in Australia (though there may be references to overseas practices where these could be of interest).. The aim is to be of use to all levels of expertise from people with no, or at least a very limited knowledge of mining through to practicing mining engineers
4 99 Glossary of Mining Terms RPMGlobal 99 Glossary of Mining Terms RPMGlobal 5 Angle of Draw in coal mine subsidence, this angle is assumed to bisect the angle between the vertical and the angle of repose of the material and is 20#176; for flat seams. For dipping seams, the angle of break increases, being #176; from the vertical for a 40#176; dip.
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Dictionary of terms related to Coal Mining, Coal, Lease, geography, maps, the Bureau of Land Management, and The Coal Fields.
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