Coal mining | Britannica.com

Coal mining: 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 19th

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Coal is a fossil fuel, which has found a wide range of applications and uses in the modern world. Coal was believed to form during the carboniferous age (about 298 to 358.9 million years ago), from the dead plant and organic matter that accumulated at the bottom of the water bodies.

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The machine, the only Bucyrus 4250-W ever built, was the largest single bucket digging machine ever developed. It cost approximately $159 million in today's terms and took nearly two years to build.

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Peabody is the leading global pure-play coal company and a member of the Fortune 500, serving power and steel customers in more than 25 countries on six continents. The company offers significant scale, high-quality assets, and diversity in geography and products.

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India has emerged as the third largest coal producer in the world after China and USA with a 9% share of the total global coal production. While the coal production from underground mining in countries like China, USA and Australia are about 95, 33 and 20% respectively, India produces only about 15% of coal from underground mines (Prasad 2009).

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In 2016, Australia was the biggest net exporter of coal, with 32% of global exports (389 Mt out of 1,213 Mt total), and was the fourth-highest producer with 6.9% of global production (503 Mt out of 7,269 Mt total). 77% of production was exported (389 Mt out of 503 Mt total).

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Draglines. Draglines are enormous earth moving machines that miners use to drag away dirt and expose underlying coal or mineral deposits. Draglines are some of the largest machines on the planet, and can remove several hundred tons of material in a single pass, according to Kentucky Coal Education.

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1908. Machine used in Gary, West ia digs the coal and loads it onto the car. With it, three men could do the work of 50 in the old way.

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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.

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Coal | Student Energy

Coal is a combustible black or dark brown rock consisting of carbonized plant matter, found mainly in underground deposits and widely for electricity production.

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