what is the meaning of coal mining
what is the meaning of coal mining
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what is the meaning of coal mining

Coal mining - Wikipedia

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the 1880s has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine is called a 'pit', and the above-ground structures are a 'pit head'. In Australia, "colliery" generally refers to an underground coal mine.

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coal mining Definition, History, Types, Facts Britannica

Coal mining, extraction of coal deposits from the surface of Earth and from underground.. Coal is the most abundant fossil fuel on Earth. Its predominant use has always been for producing heat energy. It was the basic energy source that fueled the Industrial Revolution of the 18th and 19th centuries, and the industrial growth of that era in turn supported the large-scale exploitation of coal ...

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COAL MINING Definition of COAL MINING by Oxford ...

What is the definition of COAL MINING? What is the meaning of COAL MINING? How do you use COAL MINING in a sentence? What are synonyms for COAL MINING?

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Glossary of Coal Mining Terms - DOL

Butt entry - a coal mining term that has different meanings in different locations. It can be synonymous with panel entry, sub-main entry, or in its older sense it refers to an entry that is "butt" on to the coal cleavage (that is, at right angles to the face).

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COAL MINING meaning in the Cambridge English Dictionary

coal mining definition: 1. the business, job, or process of removing coal from the ground: 2. the business, job, or. Learn more.

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Coal mine Definition of Coal mine at Dictionary

Coal mine definition, a mine or pit from which coal is obtained. See more.

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Coal mining - Wikipedia

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the 1880s has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine

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COAL MINING Definition of COAL MINING by Oxford ...

What is the definition of COAL MINING? What is the meaning of COAL MINING? How do you use COAL MINING in a sentence? What are synonyms for COAL MINING?

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COAL MINING meaning in the Cambridge English Dictionary

coal mining definition: 1. the business, job, or process of removing coal from the ground: 2. the business, job, or. Learn more.

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Coal mine - definition of coal mine by The Free Dictionary

Define coal mine. coal mine synonyms, coal mine pronunciation, coal mine translation, English dictionary definition of coal mine. Noun 1. coal mine - a mine where coal is dug from the ground coalpit colliery, pit - a workplace consisting of a coal mine plus all the buildings and...

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Glossary of Mining Terms - Coal Education

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.

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Glossary of Mining Terminology - Miners' Museum

Coal Analysis - The determination by chemical methods of the amounts of various components of coal. Coal Ash - Non-combustible material in coal. Coal Bank - Exposed seam of coal. Coal Basin - A coal field with a synclinal basin structure. Coal Bump - Sudden outbursts of coal and rock that occur when stresses in a coal pillar,

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Glossary of coal mining terminology - Wikipedia

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. A. Adit. An adit is an underground level or tunnel to the surface for access or drainage purposes. ...

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What does It Mean to be a "Canary in a Coal Mine"?

Dec 15, 2012  "Canary in a coal mine" refers to an early safety measure taken by coal miners. Even as gas detection technology improved, some mining companies still relied on the canary method well into the 20th century. Other animals were used occasionally, but only the canary had the ability to detect small concentrations of gas and react instinctively.

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MINING meaning in the Cambridge English Dictionary

mining definition: 1. the industry or activity of removing substances such as coal or metal from the ground by. Learn more.

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Pithead Definition of Pithead by Merriam-Webster

Pithead definition is - the top of a mining pit or coal shaft; also : the immediately adjacent ground and buildings.

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Mining industry - definition of Mining industry by The ...

mining (mī′nĭng) n. 1. The process or business of extracting ore or minerals from the ground. 2. a. The process of digging under an enemy emplacement or fortification to destroy it by explosives, cause it to collapse, or gain access to it for an attack. b. The process of laying explosive mines. American Heritage® Dictionary of the English ...

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Only a Coal Miner Will Know the Meaning of All These Words ...

It's a dirty job, but somebody's gotta do it. Along with oil and natural gas, coal is one of the most energy-packed sources of fuel in the world, keeping power plants running at high speed.In this black-smeared quiz, you'll get to demonstrate how much you really know about coal mining terms.

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Coal mining - Choosing a mining method Britannica

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

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CDC - Mining Topic - Respirable Dust - NIOSH

Oct 16, 2020  A continuous miner machine generates dust while cutting coal from the coal face. NIOSH’s Pittsburgh Mining Research Division (PMRD) conducts ongoing intramural research that addresses respirable dust control problems in both the coal and metal/nonmetal mining industries. Links to active research projects can be found through the link in the ...

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Coal mining - Wikipedia

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the 1880s has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine

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Coal mining definition and meaning Collins English ...

Coal mining definition: the act, process, or industry of extracting coal from the earth Meaning, pronunciation, translations and examples

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Underground Coal Mining - Pennsylvania DEP

Underground mining activity includes the surface operations incidental to the underground area of extraction. The permit area includes support areas, facilities and roads. Permits are also required for underground exploration activities and processing plants. A coal mining

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Mining - Wikipedia

Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef, or placer deposit.These deposits form a mineralized commodity that is of economic interest to the miner. Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay.

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Glossary of Mining Terms - Mineral

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.

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Coal mining - Choosing a mining method Britannica

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

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Only a Coal Miner Will Know the Meaning of All These Words ...

It's a dirty job, but somebody's gotta do it. Along with oil and natural gas, coal is one of the most energy-packed sources of fuel in the world, keeping power plants running at high speed.In this black-smeared quiz, you'll get to demonstrate how much you really know about coal mining terms.

More

Coal Definition of Coal at Dictionary

Coal definition, a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. See more.

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COAL MINING SAFETY AND HEALTH ACT 1999 - As at 7

Meaning of coal mine operator 22. Meaning of geographically separated 23. Meaning of physical overlapping of coal mining operations 24. When is a coal mine operator not in control 25. Meaning of site senior executive 26. Meaning of supervisor 27. Meaning of industry safety and health representative 28.

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Company store - Wikipedia

A company store is a retail store selling a limited range of food, clothing and daily necessities to employees of a company. It is typical of a company town in a remote area where virtually everyone is employed by one firm, such as a coal mine.In a company town, the housing is owned by the company but there may be independent stores there or nearby. A company store may also refer to a company ...

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coal - Kids Britannica Kids Homework Help

The major source of fuel throughout the world is coal. Coal is a black or brown rock that, when burned, releases energy in the form of heat. One of coal’s main uses is the production of electricity.

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Mining Definition of Mining at Dictionary

Mining definition, the act, process, or industry of extracting ores, coal, etc., from mines. See more.

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Annual Coal Reports - U.S. Energy Information ...

Oct 05, 2020  The Annual Coal Report (ACR) provides annual data on U.S. coal production, number of mines, productive capacity, recoverable reserves, employment, productivity, consumption, stocks, and prices. All data for 2019 and previous years are final. Highlights for 2019. U.S. coal production decreased 6.6% year over year to 706.3 million short tons (MMst).

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Portal mining Britannica

In coal mining: Access. to a coal seam, called portals, are the first to be completed and generally the last to be sealed. A large coal mine will have several portals. Their locations and the types of facilities installed in them depend on their principal use, whether for

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