Coal mining Wikipedia

OverviewHistoryMethods of extractionProductionModern miningSafetyEnvironmental impactsLegality of 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 is a 'pit', and the above-ground structures are a 'pit head'. In Australia, "colliery" generally refers to an underground coal mine. In the United States, "collier

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Coal mining in the United States Wikipedia

Coal mining in the United States is an industry in transition. Production in 2017 was down 33% from the peak production of 1,162.7 million short tons (1,055 million metric tons) in 2006.Employment of 50,000 coal miners is down from a peak of 883,000 in 1923. Generation of electricity is the largest user of coal, being used to produce 50% of electric power in 2005 and 27% in 2018.

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History of coal mining Wikipedia

The history of coal mining goes back thousands of years. It became important in the Industrial Revolution of the 19th and 20th centuries, when it was primarily used to power steam engines, heat buildings and generate electricity. Coal mining continues as an important economic activity today. Compared to fuels, coal yields a higher amount of energy per mass and can often be obtained

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Surface mining Wikipedia

OverviewTypesTransportEnvironmental and health issuesSee alsoExternal links

Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed, in contrast to underground mining, in which the overlying rock is left in place, and the mineral is removed through shafts or tunnels. Surface mining began in the mid-16th century and is practiced throughout the world, although the major

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Coal mining Simple English Wikipedia, the free encyclopedia

Coal mining is the process of getting coal out of the ground. It is part of the mining industry.Coal is used as a resource for making electricity.. Extraction. Surface mining is done when the coal is near the surface. Coal miners remove the soil above the coal. The coal can then be removed without the coal miners having to go deep underground..

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Centralia mine fire Wikipedia

The Centralia mine fire is a coal-seam fire that has been burning underneath the borough of Centralia, Pennsylvania, United States, since at least May 27, 1962.Its original cause is still a matter of debate. It is burning in underground coal mines at depths of up to 300 feet (90 m) over an 8-mile (13 km) stretch of 3,700 acres (15 km 2). At its current rate, it could continue to burn for over

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Hobet Coal Mine Wikipedia

The Hobet 21 Coal Mine in West Virginia was operational between 1974 and 2015. Straddling the border of Boone County and Lincoln County in the Appalachian Mountains, the Hobet 21 mine was one of the largest mountaintop-removal coal mining operations in West Virginia. Originally owned by Fil Nutter, the mine used both underground mining and strip mining techniques, and later even more intensive

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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 package 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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Hobet Coal Mine Wikipedia

The Hobet 21 Coal Mine in West Virginia was operational between 1974 and 2015. Straddling the border of Boone County and Lincoln County in the Appalachian Mountains, the Hobet 21 mine was one of the largest mountaintop-removal coal mining operations in West Virginia. Originally owned by Fil Nutter, the mine used both underground mining and strip mining techniques, and later even more intensive

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Coal mining Simple English Wikipedia, the free encyclopedia

Coal mining is the process of getting coal out of the ground. It is part of the mining industry.Coal is used as a resource for making electricity.. Extraction. Surface mining is done when the coal is near the surface. Coal miners remove the soil above the coal. The coal can then be removed without the coal miners having to go deep underground..

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Coal Wikipedia

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams.Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.

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wikipedia org wiki file strip coal mining

Coal Wikipedia, the free encyclopedia . An estimated 5 million people work in China's coal-mining industry. ↑Jump back a section. located in an abandoned anthracite strip mine pit.

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History of coal mining in the United States Wikipedia

The history of coal mining in the United States goes back to the 1300s, when the Hopi Indians used coal. [citation needed] The first commercial use came in 1701, within the Manakin-Sabot area of Richmond, Virginia.Coal was the dominant power source in the United States in the late 1800s and early 1900s, and although in rapid decline it remains a significant source of energy in 2019.

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Mining Simple English Wikipedia, the free encyclopedia

Mining is the process of digging things out of the ground. Any material that cannot be grown must be mined. Mining things from the ground is called extraction.Mining can include extraction of metals and minerals, like coal, diamond, gold, silver, platinum, copper, tin and iron.Mining can also include other things like oil and natural gas.. Some mining is done by scraping away the soil (dirt

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Mine Simple English Wikipedia, the free encyclopedia

In English, the term mine can stand for different concepts: . Mining, a process where materials are taken from the ground . Coal mining, taking coal from the ground; Mining (military), the act of placing explosive weapons that will explode when they are hit or approached. Naval mines; Land mines

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Mine reclamation Wikipedia

Germany. In view of the end of coal mining in Germany in 2018, the Research Institute of Post-Mining (FZN) was set up at the Technische Hochschule Georg Agricola (THGA) in Bochum in 2015. It is the very first institute of its kind in the world, which takes a holistic view of the consequences of mining, and pools the know-how required, in order to shape the post-mining period from a technical

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Coal Simple English Wikipedia, the free encyclopedia

Coal, when burnt, gives off almost a third more carbon dioxide per unit of energy than oil, and 80% more than natural gas.Almost half of the carbon dioxide from people is because of burning coal so it is the biggest single cause of global warming. Coal contributes to acid rain and smog, especially when burned without scrubbers.Burning coal releases toxic chemicals, including soot, mercury, and

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Wikipedia

Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

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Colstrip, Montana Wikipedia

Colstrip was established by the Northern Pacific Railway in 1924 as a company town to provide coal for their steam locomotives.The mining at Rosebud Mine two miles south of the town is open pit strip mining, where draglines remove soil above the layer of bituminous coal from the Fort Union Formation.. During World War II, the Colstrip mine was identified as strategically important because it

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Surface Mining Control and Reclamation Act of 1977 Wikipedia

Coal had been mined in the United States since the 1740s, but surface mining did not become widespread until the 1930s. At the end of that decade, states began to enact the first laws regulating the coal mining industry: West Virginia in 1939, Indiana in 1941, Illinois in 1943, and Pennsylvania in 1945.

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File:Fushun Coal Mine2.JPG 维基百科,自由的百科全书

Fushun_Coal_Mine2.JPG ‎ (547 × 360像素,文件大小:58 KB,MIME类型: image/jpeg ) 本文件并不在 中文维基百科 上,而是来自 维基共享资源 。 请参阅共享资源上的 详细描述 、 讨论页 、 页面历史 、

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Bear Valley Strip Mine Wikipedia

The Bear Valley Strip Mine is an abandoned coal strip mine located in Coal Township, Northumberland County, to the southwest of the town of Shamokin, Pennsylvania.It lies in the Western Middle Field of the Anthracite belt in the Ridge-and-Valley Appalachians, where the Pennsylvanian Llewellyn Formation is exposed. The property is owned by the Reading Anthracite Company.

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wikipedia org wiki file strip coal mining

Coal Wikipedia, the free encyclopedia . An estimated 5 million people work in China's coal-mining industry. ↑Jump back a section. located in an abandoned anthracite strip mine pit.

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Colstrip, Montana Wikipedia

Colstrip was established by the Northern Pacific Railway in 1924 as a company town to provide coal for their steam locomotives.The mining at Rosebud Mine two miles south of the town is open pit strip mining, where draglines remove soil above the layer of bituminous coal from the Fort Union Formation.. During World War II, the Colstrip mine was identified as strategically important because it

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Coal Simple English Wikipedia, the free encyclopedia

Coal, when burnt, gives off almost a third more carbon dioxide per unit of energy than oil, and 80% more than natural gas.Almost half of the carbon dioxide from people is because of burning coal so it is the biggest single cause of global warming. Coal contributes to acid rain and smog, especially when burned without scrubbers.Burning coal releases toxic chemicals, including soot, mercury, and

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ITECH 1001 Week 2 Tutorial 5 Ws eg b.docx Coal mining

o 7.11 Spain o 7.12 South Africa o 7.13 Taiwan o 7.14 Ukraine o 7.15 United Kingdom o 7.16 United States o 7.17 US Coal Mining Jobs History 8 See also 9 Notes 10 References 11 Further reading 12 External links History Main article: History of coal mining Ships have been used to haul coal since Roman times. Small-scale mining of surface deposits dates back thousands of years.

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File:Fushun Coal Mine2.JPG 维基百科,自由的百科全书

Fushun_Coal_Mine2.JPG ‎ (547 × 360像素,文件大小:58 KB,MIME类型: image/jpeg ) 本文件并不在 中文维基百科 上,而是来自 维基共享资源 。 请参阅共享资源上的 详细描述 、 讨论页 、 页面历史 、

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50026978 viaf

Virtual International Authority File. Search. Select Field: Select Index: Search Terms: Lesage, Augustin, 1876-1954 Augustin Lesage Lesage, Augustin (French painter and naive artist, 1876-1954)

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Bestand:BUTTES, MESAS AND CANYONS RESULT FROM STRIP MINING

buttes, mesas and canyons result from strip mining for coal after the machinery has moved on Afgebeelde plaats Cadiz (Ohio) ( 40°16′01″N 80°58′59″W  /  40.267°N 80.983°W  / 40.267; -80.983 ; NARA geographical record

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The Centralia Mine Fire Home

On a cold day in December of 1915, miners working for the Red Ash Coal Company in Laurel Run Borough crashed a fully loaded coal car and dumped everything from it amongst the mine floor, including a lantern (Laurel Run Mine Fire).

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Topic 5: Mining Methods-Part I-Surface mining

Nov 02, 2011"Strip mining" is the practice of mining a seam of mineral by first removing a long strip of overlying soil and rock (the overburden). It is most commonly used to mine coal or tar sand. Strip mining is only practical when the ore body to be excavated is relatively near the surface.

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Mountaintop Removal Mining Wikipedia

Mountaintop removal mining (auch mountaintop mining, deutsch Bergbau durch Gipfelabsprengung, im weiteren MTR) ist eine spezielle Form des Tagebaus in den USA.Angewandt wird dieses Verfahren vor allem in den Appalachen, einem großflächigen Mittelgebirge im Osten der Vereinigten Staaten hier vorwiegend im Bereich des Appalachen-Plateaus; betroffen sind die Bundesstaaten Kentucky, Ohio

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Uranium mining Simple English Wikipedia, the free

Uranium mining takes uranium ore from the ground for processing. Kazakhstan, Canada, and Australia are the top three producers and together account for 64% of world uranium production. Uranium from mining is mostly used as fuel for nuclear power plants.Health and environmental studies show that radiation exposure poses a risk for uranium miners.

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Open-pit mining Britannica

mining: Open-pit mining Deposits mined by open-pit techniques are generally divided into horizontal layers called benches. The thickness (that is, the height) of the benches depends on the type of deposit, the mineral being mined, and the equipment being used; for large mines it

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Fossil fuel Simple English Wikipedia, the free encyclopedia

The three most important fossil fuels are coal, petroleum, and natural gas. Oil and gas are hydrocarbons (molecules that have only hydrogen and carbon in them). Coal is mostly carbon. These fuels are called fossil fuels because they are dug up from underground. Coal mining digs up solid fuel; gas and oil wells bring up liquid fuel.

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Mine wastes management Mining and Blasting

As demand for coal increases to meet the country’s energy requirement, the coal companies are digging deeper and deeper and even opting for lower grades of coal. The country is even planning for production from 300 m depths at stripping ratio of 1:15 for D and F grade quality of coal.17 If

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