what is coal mines

Coal mining Wikipedia

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Coal mining | 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 19thОнлайн-запрос

What Is Coal Mining Some Interesting Facts

Coal miners literally move mountains to feed our insatiable appetite for cheap energy. There’s something brutally simple about coal mining. Take away the monstrous new machinery and eco-friendly marketing jargon and it’s the same dirty, dangerous job it’s always been: find the black stuff and dig it up. The two major schools of coal mining []Онлайн-запрос

Coal Wikipedia

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Coal prices and outlook U.S. Energy Information

Apr 27, 2020· Coal prices at surface mines are generally lower than prices at underground mines. In locations where coal beds are thick and near the surface, such as in Wyoming, mining costs and coal prices tend to be lower than in locations where the beds are thinner and deeper, such as in Appalachia.Онлайн-запрос

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 wood fuels, coal yields a higher amount of energy per mass and can often be obtainedОнлайн-запрос

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 miningОнлайн-запрос

Colliery: How Coal Mining Works? Science ABC

Dec 11, 2018· Coal mining (also called colliery) is the process of extracting coal from the ground’s surface or from deep underground. Coal miners literally raze entire mountain ranges to feed our insurmountable desire for cheap energy. There’s something brutally simple about coal mining.Онлайн-запрос

The Coal Facts: thermal coal vs. metallurgical coal

Jun 10, 2013· Metallurgical coal or coking coal is used in the process of creating coke necessary for iron and steel-making.Coke is a porous, hard black rockОнлайн-запрос

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 manyОнлайн-запрос

Types of Jobs in Coal Mining | Work Chron

Mar 29, 2019· Types of Jobs in Coal Mining. Coal mining is a vital industry in the world's economy. According to the World Coal Association, coal provides 42 percent of global electricity generation. Coal mining occurs both on the surface and underground, lending itself to a wide variety of jobs. The U.S. Bureau of LaborОнлайн-запрос

Coal mining Facts for Kids

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.Онлайн-запрос

Digging for Hope: Inside an Ohio coal mine

Mar 29, 2017· Matt Beaver and other miners describe their difficult working conditions and how they hope President Donald Trump can save their struggling industry. They work at the Vail Mine, owned by the

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Top Coal Stocks for Q2 2020 Investopedia

Mar 24, 2020· Arch Coal Inc.: Arch Coal is a top producer of thermal and metallurgical coal from surface and underground mines. The company has mining locations across the U.S. Arch Coal recently announced thatОнлайн-запрос

Interactive map of coal mines in West Virginia | American

The West Virginia Geological and Economic Survey provides an interactive map of underground and surface coal mining activity in West Virginia. The map shows areas of active and historical coal mining in both underground and surface mines, with separate colors for auger and highwall mining. Users can zoom in on mining areas and retrieve information for individual mines,Онлайн-запрос

Coal Mine Museum of Science and Industry

Since 1933, Coal Mine has taken MSI guests down the mineshaft, along the rails, and through the walls of a true-to-life coal mine. It was the Museum's very first exhibit, and it's been a guest favorite ever since. You'll dig this descent into a "working" coal mine, an engaging tour of mining methods and machinery through the years.Онлайн-запрос

Division of Geology and Mineral Resources Coal

Coal was likely being used for domestic purposes even earlier than that by Huguenot settlers (Wilkes, 1988). The earliest records of commercial coal mining in the state date to 1748, when mines in the Richmond basin began supplying coal for local needs and expanding markets along the Atlantic coast (Brown and others, 1952).Онлайн-запрос

Spoil tip Wikipedia

A spoil tip (also called a boney pile, gob pile, culm bank, waste tip or bing) is a pile built of accumulated spoil – waste material removed during mining. These waste materials are typically composed of shale, as well as smaller quantities of carboniferous sandstone and various other residues. Spoil tips are not formed of slag, but in some areas [where?] [example needed] they are referredОнлайн-запрос

Coal Mines

Jun 17, 2016· Coal mining has had many developments over the recent years, from the early days of men tunneling, digging and manually extracting the coal on carts to large open cut and long wall mines.

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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.Онлайн-запрос

Coal Region Wikipedia

The Coal Region is a historically important coal-mining area in Northeastern Pennsylvania in the central Ridge-and-valley Appalachian Mountains, comprising Lackawanna, Luzerne, Columbia, Carbon, Schuylkill, Northumberland, and the extreme northeast corner of Dauphin counties. Academics have made the distinction between North Anthracite Coal Field and South Anthracite Coal Field, the lowerОнлайн-запрос

Coal mining and transportation U.S. Energy Information

Mining coal . Coal miners use large machines to remove coal from the earth. Many U.S. coal deposits, called coal beds or seams, are near the earth's surface, while others are deep underground.Modern mining methods allow coal miners to easily reach most of the nation's coal reserves and to produce about three times more coal in one hour than in 1978.Онлайн-запрос

Coal | National Geographic Society

Coal is a nonrenewable fossil fuel that is combusted and used to generate electricity. Mining techniques and combustion are both dangerous to miners and hazardous to the environment; however, coal accounts for about half of the electricity generation in the United States.Онлайн-запрос

Coal, Metallic and Mineral Resources | WA DNR

Mining of coal and metallic minerals in Washington began in the mid to late 1800s. Coal production in Washington hit a high in 2003 with an estimated total production of 6,232,000 short tons, yet production ceased in 2006. Metals mining during the same general time period occurred on both sides of the Cascade divide, but was largely concentrated in the northeastern portion ofОнлайн-запрос

Coal Region Wikipedia

Coal mining and transportation U.S. Energy Information

Coal | National Geographic Society

Coal, Metallic and Mineral Resources | WA DNR

Coal mining: What are the largest coal mines in the world?

Jan 03, 2020· Arch Coal's Black Thunder coal mine in Wyoming, US, is the fifth largest coal mine in the world. Image courtesy of Max Phillips (Jeremy Buckingham MLC). Peak Downs coal mine in the Bowen Basin of Central Queensland, Australia, is the sixth biggest coal mine in the world.Онлайн-запрос

Coal and Air Pollution | Union of Concerned Scientists

Jul 28, 2008· Coal and global warming. Of coal’s many environmental impacts, none are as harmful, long term, and irreversible as global warming. Global warming is driven by emissions of heat-trapping gases, primarily from human activities, that rise into the atmosphere and actОнлайн-запрос

'Coal is over': the miners rooting for the Green New Deal

Aug 12, 2019· As the coal industry declined, so did union membership, and now the town’s local miners’ union, United Mine Workers of America (UMWA) Local 1440, consists entirely of retired miners.Онлайн-запрос

Coal and Water Pollution | Union of Concerned Scientists

Dec 06, 2017· Coal mining. Mining operations can negatively impact water supplies, often with long-lasting effects. The fundamental issue involves contamination of nearby rivers, lakes, and aquifers by what comes out of a coal mine—usually highly acidic water containing heavy metals like arsenic, copper, and lead. The process is known as acid mine drainage.It happens when certain substances (typicallyОнлайн-запрос

Coal Mining | Encyclopedia of Alabama

Jefferson County Coal Miners The discovery of coal along Alabama's rivers can be traced back to 1815, when several veterans of the Battle of New Orleans made their way into present-day central Alabama. One group of early settlers, led by Major Jonathan Mahan, found a Creek Indian village at the confluence of three creeks. Two-thirds of the party settled in the town and married Creek women; sixОнлайн-запрос

U.S. Coal Mining Statistics & Facts | Statista

Nov 12, 2019· The most famous coal mines are in West Virginia, but Wyoming is by far the leading U.S. state in coal production, and Pennsylvania has the highest number of coal mines.Онлайн-запрос

What's the Future for Coal?

The use and production of coal is on the decline, pressured by cheap natural gas and policies to promote cleaner sources of energy. In a recent article in The Regional Economist, Regional Economist Charles Gascon and Senior Research Associate Jonas Crews took a deeper look at the future of coal production as a source for both electricity and jobs in the U.S.Онлайн-запрос

Mine gas | mining | Britannica

Mine gas, any of various harmful vapours produced during mining operations. The gases are frequently called damps (German Dampf, “vapour”). Firedamp is a gas that occurs naturally in coal seams. The gas is nearly always methane (CH 4) and is highly inflammable and explosive when present in the air in a proportion of 5 to 14 percent.White damp, or carbon monoxide (CO), is a particularlyОнлайн-запрос

Coal in the Industrial Revolution ThoughtCo

During the period of the industrial revolution, as demand for coal soared thanks to iron and steam, as the technology to produce coal improved and the ability to move it increased, coal experienced a massive escalation.From 1700 to 1750 production increased by 50% and nearly another 100% by 1800. During the later years of the first revolution, as steam power really took a firm grip, this rateОнлайн-запрос

Coal | Geoscience Australia

Mining. In Australia, nearly 80% of coal is produced from open-cut mines, in contrast to the rest of the world where open-cut mining only accounts for 40% of coal production. Open-cut mining is possible because coal seams are close to the surface. Such mining is cheaper than underground mining and enables up to 90% recovery of the resource.