why are coal mines deep inside the earth

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Why Coal Miners Still Die

Jul 14, 2017· Why Coal Miners Still Die Rescuers resumed drilling on Wednesday to ventilate toxic gas blocking their attempt to reach four workers still trapped in a West ia mine,...

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Nation's Deepest Coal Mine Now Ranks Among Deadliest

Sep 26, 2001· Nation's Deepest Coal Mine Now Ranks Among Deadliest , ''It's like no other job on earth,'' said Bowens, 44, a third-generation miner ,...

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Coal mining

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 - a pit, and the ....

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12 Environmental Effects of Coal Mining

Coal is either extracted from deep inside the earth or removed from its surface The former is known as underground mining, the latter as strip mining or mountaintop removal Either process contributes a high level of damage to the environment: #12 Noise pollution...

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Deepest Mines In The World

Apr 25, 2017· Mponeng Gold Mine is located to the southwest of the city of Johannesburg in South Africa, and is presently one of the deepest mines in the world The ownership of the Mponeng gold mine lies with the firm AngloGold Ashanti The depth of the mine is around 4 kilometers inside the earth...

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How deep were Victorian coal mines

May 20, 2013· because coal is deep inside the earth , Later mines in that area were about 360 ft deep Other mines are deeper- but much coal is still mined from the surface in high wall or long wall mining...

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why is coal mine is warm inside

Why a miner is never permitted to smoke inside a coal mine Fire and explosion are MAJOR safety hazards Coal , and coal dust, is readily ignitable, and most coal mines have some level of ,...

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Why do coal mines need so much water?

Apr 13, 2017· From accidental water spills into coastal wetlands, to proposed taxpayer-funded loans, Adani's planned Carmichael coal mine and the associated Abbot Point coal terminal can't keep out of ,...

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How deep are underground coal mines

Aug 15, 2011· because coal is deep inside the earth , Underground mining, sometimes called deep mining, is used when the coal is buried several hundred feet below the surface Some underground mines are 1,000 ....

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