coal mining defined

  • Coal National Geographic Society

    Dec 22 2012 · Coal 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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  • 10 Different Types of Mining Operations and Mines

    Mountaintop removal mining refers to any method of surface coal mining whereby a mountaintop or ridgeline is destroyed regardless of whether the mined area is going to be returned to what is known as its "approximate original contour." There are different methods of mountaintop removal coal mining including the box-cut method steep-slope

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  • Coal National Geographic Society

    Dec 22 2012 · Underground mining sometimes called deep mining is a process that retrieves coal from deep below the Earth s surface—sometimes as far as 300 meters (1 000 feet). Miners travel by elevator down a mine shaft to reach the depths of the mine and operate heavy machinery that extracts the coal and moves it above ground.

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  • Coalface Definition of Coalface by Merriam-Webster

    Coalface definition isthe place inside a mine where the coal is cut out of the rock. How to use coalface in a sentence.

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  • Surface Coal MiningPennsylvania DEP

    Surface Coal Mining. The primary methods of surface coal mining used in Pennsylvania are Strip Mining Layers of soil and rock overburden are removed the coal exposed coal seam is excavated.The area is then backfilled regraded and replanted during the reclamation process.

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  • Urban Dictionary coal mining

    The act of consuming alcohol at a drinking establishment during day time hours or immediately after a work day usually in solidarity or a small group. Conversation is nonexistent or light and the participant(s) need to appear preoccupied in thought typically staring into the bar top.

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  • Coal Mining Terms Dictionary The Coal Fields™

    Dictionary of terms related to Coal Mining Coal Lease geography maps the Bureau of Land Management and The Coal Fields™.

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  • 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 "colliery".

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  • Glossary of Mining TerminologyMiners Museum

    Bootleg CoalThe mining and/or selling of coal from an area not owned by the miner or without the owner s permission. BordA chamber excavated in coal off a balance. In some coal fields a bord is called a room. Bore HoleA hole of small diameter drilled or bored to explore the strata beneath

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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 mining World Coal Association

    Coal mining is only a temporary use of land so it is vital that rehabilitation of land takes place once mining operations have stopped. In best practice a detailed rehabilitation or reclamation plan is designed and approved for each coal mine covering the period from the start of operations until well after mining

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  • 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 "colliery".

    Get Price
  • Glossary of Mining TermsCoal Education

    AbutmentIn 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 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 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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  • Glossary of Mining TerminologyMiners Museum

    Bootleg CoalThe mining and/or selling of coal from an area not owned by the miner or without the owner s permission. BordA chamber excavated in coal off a balance. In some coal fields a bord is called a room. Bore HoleA hole of small diameter drilled or bored to explore the strata beneath

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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.

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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.

    Get Price
  • Coal National Geographic Society

    Dec 22 2012 · Coal 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
  • The Economics of CoalFactSet

    Apr 24 2019 · Interestingly due to rapid technological innovations that boosted labor productivity employment in the coal industry fell dramatically over this same time period. Between 1979 when employment in coal mining peaked and 2000 the industry lost nearly 75 of its jobs. As output stabilized after 2000 so did employment. This began to change in

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  • Coal mining World Coal Association

    Coal mining is only a temporary use of land so it is vital that rehabilitation of land takes place once mining operations have stopped. In best practice a detailed rehabilitation or reclamation plan is designed and approved for each coal mine covering the period from the start of operations until well after mining

    Get Price
  • Coal Uses Types Pollution Facts Britannica

    Nov 13 2020 · Coal is defined as having more than 50 percent by weight (or 70 percent by volume) carbonaceous matter produced by the compaction and hardening of altered plant remains—namely peat deposits. Different varieties of coal arise because of differences in the kinds of plant material (coal type) degree of coalification (coal rank) and range of

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  • How Coal Miners Shaped American Labor History Time

    Oct 13 2020 · The often deadly hazards of being a coal miner were on full display during the early morning hours of Nov. 20 1968 when Consolidation Coal Company s Number 9 mine

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  • 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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  • Coal Mining and Processing Energy Trends Insider

    Surface mining can be used when the coal is buried less than 200 feet underground. In surface mining giant machines remove the top-soil and layers of rock to expose large beds of coal. Once the mining is finished the dirt and rock are returned to the pit the topsoil is replaced and the area is replanted.

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  • 10 Different Types of Mining Operations and Mines

    Mountaintop removal mining refers to any method of surface coal mining whereby a mountaintop or ridgeline is destroyed regardless of whether the mined area is going to be returned to what is known as its "approximate original contour." There are different methods of mountaintop removal coal mining including the box-cut method steep-slope

    Get Price
  • Coal Uses Types Pollution Facts Britannica

    Nov 13 2020 · Coal is defined as having more than 50 percent by weight (or 70 percent by volume) carbonaceous matter produced by the compaction and hardening of altered plant remains—namely peat deposits. Different varieties of coal arise because of differences in the kinds of plant material (coal type) degree of coalification (coal rank) and range of

    Get Price
  • 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.

    Get Price
  • 4 Coal Mining and Processing Coal Research and

    Although the United States has the vast coal resource described in the previous chapter perhaps as much as 4 trillion tons the key issue for policy makers is the amount of coal that is economically recoverable.This is not a fixed quantity but depends on the geological resource the market price and the cost of mining. The particular characteristics of the coal mining industry create unique

    Get Price
  • 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.

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  • Coal Uses Types Pollution Facts Britannica

    Nov 13 2020 · Coal is defined as having more than 50 percent by weight (or 70 percent by volume) carbonaceous matter produced by the compaction and hardening of altered plant remains—namely peat deposits. Different varieties of coal arise because of differences in the kinds of plant material (coal type) degree of coalification (coal rank) and range of

    Get Price
  • 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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  • 4 Coal Mining and Processing Coal Research and

    Although the United States has the vast coal resource described in the previous chapter perhaps as much as 4 trillion tons the key issue for policy makers is the amount of coal that is economically recoverable.This is not a fixed quantity but depends on the geological resource the market price and the cost of mining. The particular characteristics of the coal mining industry create unique

    Get Price
  • 10 Biggest Mining CompaniesInvestopedia

    Sep 14 2020 · The company also manufactures coal mining and excavating equipment and operates power generation railway transport and heating businesses. is defined

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  • Glossary of coal mining terminologyWikipedia

    Overview

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  • Coal mining World Coal Association

    Coal is mined by two methods s urface or opencast mining or underground or deep mining. The choice of mining method largely depends on the geology of the coal deposit.

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  • Coal miningdefinition of coal mining by The Free Dictionary

    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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