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A. Abutment A coal mining term to describe the weight of the rocks above a narrow roadway transfering to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway.; Angle of dip The angle at which strata or mineral deposits are inclined to the horizontal plane.; Anorthosite A plutonic rock composed almost entirely of plagioclase, which is usually ...
A Glossary of Terms used in the Coal Trade of Northumberland and Durham By G. C. Greenwell,,, Colliery Viewer, Past President of the North of England Institue of Mining .
Glossary of Terms Authorisation. An Authorisation was granted under the NSW Mining Act 1973, which permitted a company to explore for coal. An Authorisation may still exist however new titles, which are granted under the NSW Mining Act 1992, are now known as an Exploration Lease. ... Coal Mining (underground) Underground coal mining in ...
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 transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.
GLOSSARY OF MINING TERMS(B) Back, the plane of cleavage in coal having a smooth parting, an easy parting in the coal at a high angle to the roof and floor. To work with the cleavage is said to work the ''back of the slip'' or ''on the back''. When working against the cleavage it is said to be working ''on end''; or a term describing coal projecting from the line of the face after cutting; or a ...
universal mining machine roll plant powered Glossary of Mining Terms Kentucky Coal Education. Belt idler A roller, usually of cylindrical shape, which is supported on a frame and .. Canopy A protective covering of a cab on a mining machine. ... to remove fly ash from the gases prior to the release from a power plant''s smokestack. ..
Glossary of Coal Mining Terms Abandoned areas section, panels and other areas that are not ventilated and examined in the manner required for work places. Active workings any place in any mine where miners are normally required to work or travel.
Note.Glossary terms and specific criteria are crossreferenced within this report. To aid the reader, glossary items, beginning below, are printed in boldface type and specific criteria are printed in boldface italics. ... Lostinmining coal is subtracted from the reserve base and is divisible into subeconomic coal or noneconomic coal ...
T his is a partial glossary of common coal mining terms used in the United Kingdom. Some words were in use throughout the coalfields, some are historic and others are local to the different British coalfields. A. Adit: an underground level or tunnel to the surface for access or drainage. [1] [2] Afterdamp Damps is the collective name given to all gases other than air found in coal mines in ...
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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 . Get Price; Glossary of Mining Terms Mineral. Glossary of Mining Terminology ...
DE. Deep Mine An underground coal mine.. Demonstrated Reserve Base A collective term for the sum of coal in both measured and indicated resource categories of reliability that represents 100 percent of coal in place as of a certain date. Includes beds of bituminous coal and anthracite 28 inches or more thick and beds of subbituminous coal 60 inches or more thick that occur at depths of up to ...
Mining Dictionary of Terms. Mining has given rise to potentially hundreds of terms for processes, techniques and equipment, many of these terms vary by region or were specific to the type of mine. In an attempt to create a good mining dictionary / lexicon any registered AditNow member can add new terms.
Dictionary of terms related to Mining, Mining, Claim, geography, maps, the Bureau of Land Management, ... Law Glossary. Dictionary. Advertise With Us. Blog Twitter Facebook Pinterest Youtube Vimeo LinkedIn ... The Coal Fields ...
A glossary of terms used in coal mining Item Preview removecircle Share or Embed This Item. Get Price And Support Online; coal mining terms wildpeppersf. Glossary of Selected Coal Mining Terms TECO Energy, Inc, Coal which has been committed by the coal company to operating mine shafts, mining equipment, .
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 transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.
Learn about mining with this dictionary full of mining terms methods, from base metals to stopes more.
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° for flat seams. For dipping seams, the angle of break increases, being ° from the vertical for a 40° dip.
May 04, 2018· Here''s a comprehensive AZ guide of mining terms you need to know. ... A Glossary of the most common mining terms. Published at May 4, 2018, in Investor 101. ... Coking coal (metallurgical coal): A grade of coal that meets the requirements for making coke. It must have a low ash and sulfur content and form a coke that is capable of supporting ...
Appendix G: Glossary of Mining Terms ... Rob the pillars: The mining of coal pillars left to support the roof during development mining, often resulting in caveins. Roomandpillar: Method of mining where flat lying beds of coal are mined in rooms separated by pillars of undisturbed rock left for roof support.
EX99 15 GLOSSARY OF MINING TERMS Glossary of Mining Terms ... Anthracite A hard, black coal containing a high percentage of fixed carbon and a low percentage of volatile matter. Anticline An arch or fold in layers of rock shaped like the crest of a wave.
Glossary of Standards to define delivery terms. Mining terms. Glossary of Mining Terms
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 transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.
Search results for: aglossaryoftermsusedincoalmining Glossary of terms used in the coal mining districts of South Wales Bristol and Somersetshire William Fairley () — 1868 in
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