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mining definition coal

Define coal mining. coal mining synonyms, coal mining pronunciation, coal mining translation, English dictionary definition of coal mining. coal mining. Translations. English coal mining n estrazione f del carbone.

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Coal mining   definition of coal mining by The Free …

Coal mining definition of coal mining by The Free …

Define coal mining. coal mining synonyms, coal mining pronunciation, coal mining translation, English dictionary definition of coal mining. coal mining. Translations. English coal mining n estrazione f del carbone.

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What does coal mining mean    definitions

What does coal mining mean definitions

Definition of coal mining in the Definitions.net dictionary. Meaning of coal mining. Information and translations of coal mining in the most comprehensive dictionary definitions resource on the web.

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Coal mining   definition of Coal mining by The Free …

Coal mining definition of Coal mining by The Free …

Coalmining synonyms, Coalmining pronunciation, Coalmining translation, English dictionary definition of Coalmining. coal mining. Translations. English coal mining n estrazione f del carbone.

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coal mine noun   Definition  pictures  pronunciation and

coal mine noun Definition pictures pronunciation and

Culture coal mining 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 areas where coal is mined were in northeast England, the north Midlands and the valleys of South Wales, especially the Rhondda Valley.

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Colliery  How Coal Mining Works    Science ABC

Colliery How Coal Mining Works Science ABC

Dec 11, 2018018332Underground Mining. Room and pillar and longwall are two dominant methods that account for the vast majority of underground coal mining.. Room and Pillar Mining. In this mining strategy, seams of the coal are mined partially, leaving large pillars of coal intact in a bid to support the overlying layers of rock.

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Coal   National Geographic Society

Coal National Geographic Society

Dec 22, 2012018332Coal mining also provides economic stability for millions of people worldwide. The coal industry relies on people with a wide range of knowledge, skills, and abilities. Jobs associated with coal include geologists, miners, engineers, chemists, geographers, and executives. Coal is an industry that is critical to countries in both the developed ...

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What is coal    USGS

What is coal USGS

Coal is a sedimentary rock made predominantly of carbon that can be burned for fuel. Coal is readily combustible, black or brownishblack, and has a composition that, including inherent moisture, consists of more than 50 percent by weight and more than 70 percent by volume of carbonaceous material. It is formed from plant remains that have been compacted, hardened, chemically

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What Is the Metals and Mining Sector

What Is the Metals and Mining Sector

Jul 05, 2020018332Coal is a significant mining product produced in substantial amounts all over the world. This mineral provides around 38 of global energy and is heavily relied upon for electricity production.

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Stackrock mine roofs  Coal  Kentucky Geological Survey

Stackrock mine roofs Coal Kentucky Geological Survey

Sep 18, 2019018332Definition and formation Miners refer to alternating horizontal or slightly inclined flat beds of sandstone, shale, siltstone, and sometimes coal as “stackrock.”In general, the term is used when individual beds are inches to less than 3 feet thick. The stacking of alternating beds of sandstone and shale in coalbearing strata is common in rocks deposited in levee and channelmargin ...

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About Mining and Minerals   Bureau of Land Management

About Mining and Minerals Bureau of Land Management

About Mining and MineralsThe Mining Law, as amended, opened the public lands of the United States to mineral acquisition by the location and maintenance of mining claims. Mineral deposits subject to acquisition in this manner are generally referred to as quotlocatable minerals.quot Locatable minerals include both metallic minerals gold, silver, lead, copper, zinc, nickel, etc.

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Mining   Britannica

Mining Britannica

Mining, process of extracting useful minerals from the surface of the Earth, including the seas. A mineral, with a few exceptions, is an inorganic substance occurring in nature that has a definite chemical composition and distinctive physical properties or molecular structure. One organic

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Coal definition and meaning   Collins English Dictionary

Coal definition and meaning Collins English Dictionary

Aug 25, 2020018332Coal definition Coal is a hard black substance that is extracted from the ground and burned as fuel. Meaning, pronunciation, translations and examples

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Glossary of Mining Terms   Mineral

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 mine   Dictionary Definition   Vocabulary com

coal mine Dictionary Definition Vocabulary com

coal mine 1 n a mine where coal is dug from the ground Synonyms coalpit Type of mine excavation in the earth from which ores and minerals are extracted

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Coal mining definition and meaning   Collins English

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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Coal mine   Definition of Coal mine at Dictionary com

Coal mine Definition of Coal mine at Dictionary com

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

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Coal mining   definition of coal mining by The Free …

Coal mining definition of coal mining by The Free …

Define coal mining. coal mining synonyms, coal mining pronunciation, coal mining translation, English dictionary definition of coal mining. coal mining. Translations. English coal mining n estrazione f del carbone.

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What does coal mining mean    definitions

What does coal mining mean definitions

Definition of coal mining in the Definitions.net dictionary. Meaning of coal mining. Information and translations of coal mining in the most comprehensive dictionary definitions resource on the web.

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Coal mining   definition of Coal mining and synonyms of

Coal mining definition of Coal mining and synonyms of

The goal of coal mining is to obtain 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 States, United Kingdom, and South Africa, a coal mine and its structures are a quotcollieryquot.

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Coal mining   definition of Coal mining by The Free …

Coal mining definition of Coal mining by The Free …

Coalmining synonyms, Coalmining pronunciation, Coalmining translation, English dictionary definition of Coalmining. coal mining. Translations. English coal mining n estrazione f del carbone.

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Coal Mine   Definition of Coal Mine by Oxford Dictionary

Coal Mine Definition of Coal Mine by Oxford Dictionary

Definition of coal mine in English coal mine. Pronunciation ˈkōl ˌmīn ˈkoʊl ˌmaɪn Translate coal mine into Spanish. noun. An excavation in the earth for extracting coal. ‘Gas power plants wiped out jobs in British coal mines.’ ...

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10 Different Types of Mining Operations and Mines

10 Different Types of Mining Operations and Mines

This form of mining involves mining the coal seam in a checkerboard style, which leaves pillars of coal that support the roof. This, in turn, makes it faster to get to the coal access with low invest, when compared to longwall mining. In roomandpillar mining, however, only 50 to 75 of the coal …

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Underground Coal Mining   Pennsylvania DEP

Underground Coal Mining Pennsylvania DEP

This type of mining is the traditional method of underground mining used in Pennsylvania and can result in as much as 75 recovery of the target coal seam. Longwall Mining A mechanized coal shearer is mounted between a conveyer system and a series of selfadvancing hydraulic roof supports.

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Mining definitions Flashcards

Mining definitions Flashcards

mining by washing sand and dirt away with water whick leaves the desired mineral. In underground hydraulic mining, the extraction of coal by highvelocity water jets, directed at the seam from a monitor or powerful jet, which can withstand high water pressures.

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Surface mining   Britannica

Surface mining Britannica

coal mining Surface mining Surface coal mining generally involves the following sequence of unit operations 1 clearing the land of trees and vegetation, 2 removing and storing the top layers of the unconsolidated soil topsoil, 3 drilling the hard strata over the coal seam, 4 fragmenting or…

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COAL   meaning in the Cambridge English Dictionary

COAL meaning in the Cambridge English Dictionary

coal definition 1. a hard, black substance that is dug from the earth in pieces, and can be burned to produce heat…. Learn more.

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Mining Industry   NASA

Mining Industry NASA

Definition Source Standard Industrial Classification. Mining Industry Categories 1.1.2.3.5.1 Coal Mining Industry All establishments primarily engaged in producing bituminous coal, anthracite, and lignite. This includes mining operations and preparation plants cleaning plants and washeries.

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coal   Kids   Britannica Kids   Homework Help

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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What does coal mining mean    definitions

What does coal mining mean definitions

Definition of coal mining in the Definitions.net dictionary. Meaning of coal mining. Information and translations of coal mining in the most comprehensive dictionary definitions resource on the web.

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Coal mining definition and meaning   Collins English

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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Mining   Definition of Mining at Dictionary com

Mining Definition of Mining at Dictionary com

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

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Coal mining   definition of Coal mining and synonyms of

Coal mining definition of Coal mining and synonyms of

The goal of coal mining is to obtain 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 States, United Kingdom, and South Africa, a coal mine and its structures are a quotcollieryquot.

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Glossary of Mining Terms   Coal Education

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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What is Coking Coal   Aspire Mining Limited

What is Coking Coal Aspire Mining Limited

Coking coal, also known as metallurgical coal, is used to create coke, one of the key irreplaceable inputs for the production of steel. There are many varieties of coal in the world, ranging from brown coal or lignite to anthracite.

Get Price

coal   Kids   Britannica Kids   Homework Help

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.

Get Price

Surface mining   Britannica

Surface mining Britannica

coal mining Surface mining Surface coal mining generally involves the following sequence of unit operations 1 clearing the land of trees and vegetation, 2 removing and storing the top layers of the unconsolidated soil topsoil, 3 drilling the hard strata over the coal seam, 4 fragmenting or…

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Basic Information about Surface Coal Mining in Appalachia

Basic Information about Surface Coal Mining in Appalachia

Coal seams are removed with excess soil and rock placed in an adjacent valley. Large scale earth moving equipment is used to excavate and remove coal from lower layers. The equipment used depends on the method and scale of the surface mining method being employed. Regrading begins as coal excavation continues.

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Mining   Definition of Mining by Merriam Webster

Mining Definition of Mining by Merriam Webster

Mining definition is the process or business of working mines. How to use mining in a sentence.

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Coal definition and meaning   Collins English Dictionary

Coal definition and meaning Collins English Dictionary

Aug 25, 2020018332Coal definition Coal is a hard black substance that is extracted from the ground and burned as fuel. Meaning, pronunciation, translations and examples

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Coal Mine   Definition of Coal Mine by Oxford Dictionary

Coal Mine Definition of Coal Mine by Oxford Dictionary

Definition of coal mine in English coal mine. Pronunciation ˈkōl ˌmīn ˈkoʊl ˌmaɪn Translate coal mine into Spanish. noun. An excavation in the earth for extracting coal. ‘Gas power plants wiped out jobs in British coal mines.’ ...

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Underground Coal Mining   Pennsylvania DEP

Underground Coal Mining Pennsylvania DEP

This type of mining is the traditional method of underground mining used in Pennsylvania and can result in as much as 75 recovery of the target coal seam. Longwall Mining A mechanized coal shearer is mounted between a conveyer system and a series of selfadvancing hydraulic roof supports.

Get Price

coal mining definition   English definition dictionary

coal mining definition English definition dictionary

coal mining definition in English dictionary, coal mining meaning, synonyms, see also coal gas,coal heaver,coal hole,Coal Measures. Enrich your vocabulary with the English Definition dictionary

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coal mining   Definition  History  Types   amp  Facts   Britannica

coal mining Definition History Types amp Facts Britannica

Jul 07, 2020018332Coal mining, extraction of coal deposits from the surface of Earth and from underground. Schematic diagram of an underground coal mine, showing surface facilities, access shaft, and the roomandpillar and longwall mining methods. CONSOL Coal Group. Coal is the most abundant fossil fuel on Earth. Its predominant use has always been for producing heat energy.

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COAL MINING   meaning in the Cambridge English Dictionary

COAL MINING meaning in the Cambridge English Dictionary

the business, job, or process of removing coal from the ground The lawsuit seeks to limit coal mining in that area. She grew up in a rural coal mining town.

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COAL MINE   definition in the Cambridge English Dictionary

COAL MINE definition in the Cambridge English Dictionary

coal mine meaning 1. the deep hole or system of holes under the ground from which coal is removed 2. the deep hole or…. Learn more. Cambridge Dictionary Plus

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What does coal mining mean    definitions

What does coal mining mean definitions

Coal mining The goal of coal mining is to obtain 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.

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Coal mine   Definition of Coal mine at Dictionary com

Coal mine Definition of Coal mine at Dictionary com

a mine or pit from which coal is obtained.

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Coalmine   definition of coalmine by The Free Dictionary

Coalmine definition of coalmine by The Free Dictionary

coalmine. ˈkəʊlˌmaɪn n. Mining amp Quarrying a system of excavations made for the extraction of coal. Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 169 HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014. Translations.

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Coal   Definition of Coal by Merriam Webster

Coal Definition of Coal by Merriam Webster

Kids Definition of coal 1 a piece of glowing or charred wood ember 2 a black solid mineral substance that is formed by the partial decay of plant matter under the influence of moisture and often …

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Mining   Definition of Mining at Dictionary com

Mining Definition of Mining at Dictionary com

noun the act, process, or industry of extracting ores, coal, etc., from mines. the laying of explosive mines.

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What is Coking Coal   Aspire Mining Limited

What is Coking Coal Aspire Mining Limited

Coking coal, also known as metallurgical coal, is used to create coke, one of the key irreplaceable inputs for the production of steel. There are many varieties of coal in the world, ranging from brown coal or lignite to anthracite.

Get Price

Glossary of Mining Terms   Coal Education

Glossary of Mining Terms Coal Education

Coal mine An area of land and all structures, facilities, machinery, tools, equipment, shafts, slopes, tunnels, excavations, and other property, real or personal, placed upon, under, or above the surface of such land by any person, used in extracting coal from its natural deposits in the earth by any means or method, and the work of preparing the coal so extracted, including coal preparation facilities. British …

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What does coal mining mean    definitions

What does coal mining mean definitions

Definition of coal mining in the Definitions.net dictionary. Meaning of coal mining. Information and translations of coal mining in the most comprehensive dictionary definitions resource on the web.

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Coal mining   definition of Coal mining by The Free …

Coal mining definition of Coal mining by The Free …

Coalmining synonyms, Coalmining pronunciation, Coalmining translation, English dictionary definition of Coalmining. coal mining. Translations. English coal mining n estrazione f del carbone.

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Coal Mining   Definition of Coal Mining by Oxford

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 mine noun   Definition  pictures  pronunciation and

coal mine noun Definition pictures pronunciation and

Culture coal mining 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 areas where coal is mined were in northeast England, the north Midlands and the valleys of South Wales, especially the Rhondda Valley.

Get Price

Coal definition and meaning   Collins English Dictionary

Coal definition and meaning Collins English Dictionary

Sep 02, 2020018332Coal definition Coal is a hard black substance that is extracted from the ground and burned as fuel. Meaning, pronunciation, translations and examples

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Colliery  How Coal Mining Works    Science ABC

Colliery How Coal Mining Works Science ABC

Dec 11, 2018018332Underground Mining. Room and pillar and longwall are two dominant methods that account for the vast majority of underground coal mining.. Room and Pillar Mining. In this mining strategy, seams of the coal are mined partially, leaving large pillars of coal intact in a bid to support the overlying layers of rock.

Get Price

Coal   National Geographic Society

Coal National Geographic Society

Dec 22, 2012018332Coal mining also provides economic stability for millions of people worldwide. The coal industry relies on people with a wide range of knowledge, skills, and abilities. Jobs associated with coal include geologists, miners, engineers, chemists, geographers, and executives. Coal is an industry that is critical to countries in both the developed ...

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What are the types of coal    USGS

What are the types of coal USGS

The biggest coal deposit by volume is the Powder River Basin in Wyoming and Montana, which the USGS estimated to have 1.07 trillion short tons of inplace coal resources, 162 billion short tons of recoverable coal resources, and 25 billion short tons of economic coal resources also called reserves in …

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Mining Industry Profile   Department of Energy

Mining Industry Profile Department of Energy

The U.S. mining industry consists of the search for, extraction, beneficiation, and processing of naturally occurring solid minerals from the earth. These mined minerals include coal, metals such as iron, copper, or zinc, and industrial minerals such as potash, limestone, and other crushed rocks. Oil and natural gas extraction NAICS code 211 is not included in this industry.

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Mining   Britannica

Mining Britannica

Mining, process of extracting useful minerals from the surface of the Earth, including the seas. A mineral, with a few exceptions, is an inorganic substance occurring in nature that has a definite chemical composition and distinctive physical properties or molecular structure. One organic

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About Mining and Minerals   Bureau of Land Management

About Mining and Minerals Bureau of Land Management

About Mining and MineralsThe Mining Law, as amended, opened the public lands of the United States to mineral acquisition by the location and maintenance of mining claims. Mineral deposits subject to acquisition in this manner are generally referred to as quotlocatable minerals.quot Locatable minerals include both metallic minerals gold, silver, lead, copper, zinc, nickel, etc.

Get Price

What Is the Metals and Mining Sector

What Is the Metals and Mining Sector

Jul 05, 2020018332Coal is a significant mining product produced in substantial amounts all over the world. This mineral provides around 38 of global energy and is heavily relied upon for electricity production.

Get Price

Glossary of Mining Terms   Mineral

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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Types of Jobs in Coal Mining   Work   Chron com

Types of Jobs in Coal Mining Work Chron com

Mar 29, 2019018332The definition of a coal miner isnt just simply someone who mines for coal underground. There are a variety of jobs that come with it. What makes it a mining job is when the employee is working at a coal mine and whose job works towards getting coal …

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What does coal mining mean    definitions

What does coal mining mean definitions

Definition of coal mining in the Definitions.net dictionary. Meaning of coal mining. Information and translations of coal mining in the most comprehensive dictionary definitions resource on the web.

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Coal mining definition and meaning   Collins English

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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Mining   Definition of Mining at Dictionary com

Mining Definition of Mining at Dictionary com

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

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Coal mining   definition of Coal mining and synonyms of

Coal mining definition of Coal mining and synonyms of

The goal of coal mining is to obtain 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 States, United Kingdom, and South Africa, a coal mine and its structures are a quotcollieryquot.

Get Price

Coal definition and meaning   Collins English Dictionary

Coal definition and meaning Collins English Dictionary

Sep 02, 2020018332Coal definition Coal is a hard black substance that is extracted from the ground and burned as fuel. Meaning, pronunciation, translations and examples

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Coal   Definition of Coal by Merriam Webster

Coal Definition of Coal by Merriam Webster

Coal definition is a piece of glowing carbon or charred wood ember. How to use coal in a sentence.

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What is Coking Coal   Aspire Mining Limited

What is Coking Coal Aspire Mining Limited

Coking coal, also known as metallurgical coal, is used to create coke, one of the key irreplaceable inputs for the production of steel. There are many varieties of coal in the world, ranging from brown coal or lignite to anthracite.

Get Price

Glossary of Mining Terms   Coal Education

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.

Get Price

coal   Kids   Britannica Kids   Homework Help

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.

Get Price

Surface mining   Britannica

Surface mining Britannica

coal mining Surface mining Surface coal mining generally involves the following sequence of unit operations 1 clearing the land of trees and vegetation, 2 removing and storing the top layers of the unconsolidated soil topsoil, 3 drilling the hard strata over the coal seam, 4 fragmenting or…

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Mining   Definition of Mining by Merriam Webster

Mining Definition of Mining by Merriam Webster

Mining definition is the process or business of working mines. How to use mining in a sentence.

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Basic Information about Surface Coal Mining in Appalachia

Basic Information about Surface Coal Mining in Appalachia

Coal seams are removed with excess soil and rock placed in an adjacent valley. Large scale earth moving equipment is used to excavate and remove coal from lower layers. The equipment used depends on the method and scale of the surface mining method being employed. Regrading begins as coal excavation continues.

Get Price

Underground coal mine   Article about Underground coal

Underground coal mine Article about Underground coal

Underground coal mining is the extraction of coal from below the surface of the earth. The coal is worked through tunnels, passages, and openings that are connected to the surface for the purpose of the removal of the coal. Mechanical equipment breaks the coal to a size suitable for haulage.

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coal mining definition   English definition dictionary

coal mining definition English definition dictionary

coal mining definition in English dictionary, coal mining meaning, synonyms, see also coal gas,coal heaver,coal hole,Coal Measures. Enrich your vocabulary with the English Definition dictionary

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Coal mining definition and meaning   Collins English

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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Coal mining   definition of coal mining by The Free …

Coal mining definition of coal mining by The Free …

Define coal mining. coal mining synonyms, coal mining pronunciation, coal mining translation, English dictionary definition of coal mining. coal mining. Translations. English coal mining n estrazione f del carbone.

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Coal mine   Definition of Coal mine at Dictionary com

Coal mine Definition of Coal mine at Dictionary com

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

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Coal Mining   Definition of Coal Mining by Oxford

Coal Mining Definition of Coal Mining by Oxford

Late 18th century earliest use found in Bath Chronicles. From coal mining.

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Coal mining   definition of Coal mining and synonyms of

Coal mining definition of Coal mining and synonyms of

The goal of coal mining is to obtain 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 States, United Kingdom, and South Africa, a coal mine and its structures are a quotcollieryquot.

Get Price

Coal mining   definition of Coal mining by The Free …

Coal mining definition of Coal mining by The Free …

Coalmining synonyms, Coalmining pronunciation, Coalmining translation, English dictionary definition of Coalmining. coal mining. Translations. English coal mining n estrazione f del carbone.

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MINING   meaning in the Cambridge English Dictionary

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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coal   Kids   Britannica Kids   Homework Help

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.

Get Price

Surface mining   Britannica

Surface mining Britannica

coal mining Surface mining Surface coal mining generally involves the following sequence of unit operations 1 clearing the land of trees and vegetation, 2 removing and storing the top layers of the unconsolidated soil topsoil, 3 drilling the hard strata over the coal seam, 4 fragmenting or…

Get Price

10 Different Types of Mining Operations and Mines

10 Different Types of Mining Operations and Mines

This form of mining involves mining the coal seam in a checkerboard style, which leaves pillars of coal that support the roof. This, in turn, makes it faster to get to the coal access with low invest, when compared to longwall mining. In roomandpillar mining, however, only 50 to 75 of the coal …

Get Price

Coal Mine   Definition of Coal Mine by Oxford Dictionary

Coal Mine Definition of Coal Mine by Oxford Dictionary

Definition of coal mine in English coal mine. Pronunciation ˈkōl ˌmīn ˈkoʊl ˌmaɪn Translate coal mine into Spanish. noun. An excavation in the earth for extracting coal. ‘Gas power plants wiped out jobs in British coal mines.’ ...

Get Price

Coal   National Geographic Society

Coal National Geographic Society

Dec 22, 2012018332Coal mining also provides economic stability for millions of people worldwide. The coal industry relies on people with a wide range of knowledge, skills, and abilities. Jobs associated with coal include geologists, miners, engineers, chemists, geographers, and executives. Coal is an industry that is critical to countries in both the developed ...

Get Price

coal mining definition   English definition dictionary

coal mining definition English definition dictionary

coal mining definition in English dictionary, coal mining meaning, synonyms, see also coal gas,coal heaver,coal hole,Coal Measures. Enrich your vocabulary with the English Definition dictionary

Get Price

Mining definitions Flashcards

Mining definitions Flashcards

mining by washing sand and dirt away with water whick leaves the desired mineral. In underground hydraulic mining, the extraction of coal by highvelocity water jets, directed at the seam from a monitor or powerful jet, which can withstand high water pressures.

Get Price

coal mining   Definition  History  Types   amp  Facts   Britannica

coal mining Definition History Types amp Facts Britannica

Jul 07, 2020018332Coal mining, extraction of coal deposits from the surface of Earth and from underground. Schematic diagram of an underground coal mine, showing surface facilities, access shaft, and the roomandpillar and longwall mining methods. CONSOL Coal Group. Coal is the most abundant fossil fuel on Earth. Its predominant use has always been for producing heat energy.

Get Price

COAL MINING   meaning in the Cambridge English Dictionary

COAL MINING meaning in the Cambridge English Dictionary

the business, job, or process of removing coal from the ground The lawsuit seeks to limit coal mining in that area. She grew up in a rural coal mining town.

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COAL MINE   definition in the Cambridge English Dictionary

COAL MINE definition in the Cambridge English Dictionary

coal mine meaning 1. the deep hole or system of holes under the ground from which coal is removed 2. the deep hole or…. Learn more. Cambridge Dictionary Plus

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What does coal mining mean    definitions

What does coal mining mean definitions

Coal mining The goal of coal mining is to obtain 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.

Get Price

Coal mine   Definition of Coal mine at Dictionary com

Coal mine Definition of Coal mine at Dictionary com

a mine or pit from which coal is obtained.

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Coalmine   definition of coalmine by The Free Dictionary

Coalmine definition of coalmine by The Free Dictionary

coalmine. ˈkəʊlˌmaɪn n. Mining amp Quarrying a system of excavations made for the extraction of coal. Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 169 HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014. Translations.

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Coal   Definition of Coal by Merriam Webster

Coal Definition of Coal by Merriam Webster

3 a a black or brownishblack solid combustible substance formed by the partial decomposition of vegetable matter without free access of air and under the influence of moisture and often increased …

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Mining   Definition of Mining at Dictionary com

Mining Definition of Mining at Dictionary com

noun the act, process, or industry of extracting ores, coal, etc., from mines. the laying of explosive mines.

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What is Coking Coal   Aspire Mining Limited

What is Coking Coal Aspire Mining Limited

Coking coal, also known as metallurgical coal, is used to create coke, one of the key irreplaceable inputs for the production of steel. There are many varieties of coal in the world, ranging from brown coal or lignite to anthracite.

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Glossary of Mining Terms   Coal Education

Glossary of Mining Terms Coal Education

Coal mine An area of land and all structures, facilities, machinery, tools, equipment, shafts, slopes, tunnels, excavations, and other property, real or personal, placed upon, under, or above the surface of such land by any person, used in extracting coal from its natural deposits in the earth by any means or method, and the work of preparing the coal so extracted, including coal preparation facilities. British …

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Crusher Gap Setting By Ultrasonic Measurement

Crusher gap setting by ultrasonic measurement 16a method for determining the adjustment of a crusher gap setting andor crusher rate of wear in a gyratory crusher with hydraulic adjustment of the crusher cone height the invention allows measuremen fig 1 is a side view showing a vertical c

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