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Meaning Of Coal Mining

  • What is captive (coal) mining? - Quora

    Let's try to understand this with NTPC context. NTPC use coal for its thermal power projects to produce electricity. NTPC has contracts with many companies like Coal India which produces coal and sell it to NTPC and takes huge money in return. Now.

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  • coal - Kids | Britannica Kids | Homework Help

    The major source of fuel throughout the world is coal. Coal is a black or brown rock that, when burned, releases energy in the form of heat. One of coal's main uses is the production of electricity.

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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 - U.S. Energy Information Administration (EIA)

    Longwall mining machine shears coal from a long straight coal face (up to about 700 feet) by working back and forth across the face under a movable, hydraulic-jack roof-support system. The broken coal is transported by conveyor. Longwall machines can mine coal at the rate of 1,000 tons per shift.

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  • Coal mining - Wikipedia

    What does a Coal Miner do? (with pictures) - wiseGEEK

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  • Coal Mining Safety and Health Act 1999

    Mar 30, 2017 · Contents Coal Mining Safety and Health Act 1999 Page 2 23 Meaning of physical overlapping of coal mining operations . . . . 23 24 When is a coal mine operator not in .

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  • 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 many .

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  • Coal Mining: The History of Scrip | Appalachian Magazine

    As mining operations in company towns grew, coal companies would introduce other buildings, including schools and churches. Ever increasing their power and control, mining companies soon began paying workers with scrip, a private currency issued by mining companies to their employees.

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  • Coal | Meaning of Coal by Lexico

    'Surface mining began in the United States in the late eighteenth century, when farmers and others dug coal from exposed coal seams on hillsides and stream banks.' 'The breathing of coal and rock dust causes black lung, the common name given to the lung diseases pneumoconiosis and silicosis.'

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  • What You Should Know About Metallurgical Coal

    Jul 15, 2019 · Metallurgical coal, also known as coking coal, is used to produce coke, the primary source of carbon used in steelmaking.Coal is a naturally occurring sedimentary rock formed over millions of years as plants and other organic materials are buried and subjected to geological forces.

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  • What Is Mountaintop Removal Mining? | Earthjustice

    Mountaintop removal coal mining, often described as "strip mining on steroids," is an extremely destructive form of mining that is devastating Appalachia. In the past few decades, over 2,000 miles of streams and headwaters that provide drinking water for millions of Americans have been permanently buried and destroyed. An area the size of Delaware has been flattened. Local coal field .

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  • Coal Ash Beneficial Use - Pennsylvania DEP

    Coal Ash Beneficial Use. Coal ash is fly or bottom ash, or boiler slag resulting from the combustion of coal. Coal ash is beneficially used on mine sites to fill pits, create or amend soil, and as a low-permeability or high alkalinity material.

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  • coal - Kids | Britannica Kids | Homework Help

    The major source of fuel throughout the world is coal. Coal is a black or brown rock that, when burned, releases energy in the form of heat. One of coal's main uses is the production of electricity.

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  • Mining definition and meaning | Collins English Dictionary

    Mining definition: Mining is the industry and activities connected with getting valuable or useful minerals. | Meaning, pronunciation, translations and examples

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  • Glossary of Mining Terms - Coal Education

    A. Abutment - In 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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  • Glossary of coal mining terminology - Wikipedia

    Define coal mine. coal mine synonyms, coal mine pronunciation, coal mine translation, English dictionary definition of coal mine. Noun 1. coal mine - a mine where coal is dug from the ground coalpit colliery, pit - a workplace consisting of a coal mine plus all the buildings and.

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  • Glossary of Mining Terminology - Glace Bay

    Glossary of Mining Terminology After Damp - Gasses resulting from underground combustion, normally carbon monoxide. This is a loose term implying any fatal gas in a mine after an explosion or fire. Air Shaft - A vertical opening into a mine for the passage of air. Airway - Any passage in a mine along which an air current moves. Some passages are

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  • The Story of the Real Canary in the Coal Mine | Smart News .

    Dec 30, 2016 · How West ia Coal Mining Helped Shaped U.S. Labor History On this day in 1986, a mining tradition dating back to 1911 ended: the use of canaries in coal mines to .

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  • Glossary - U.S. Energy Information Administration (EIA)

    Longwall mining machine shears coal from a long straight coal face (up to about 700 feet) by working back and forth across the face under a movable, hydraulic-jack roof-support system. The broken coal is transported by conveyor. Longwall machines can mine coal at the rate of 1,000 tons per shift.

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  • Division of Coal Mine Workers' Compensation (DCMWC)

    The Division of Coal Mine Workers' Compensation in the U.S. Department of Labor administers the Black Lung benefits program. It accepts, reviews and makes eligibility determinations on benefit claims. Benefits are paid to both eligible miners and former miners and their eligible survivors, with supplementary allowances for dependents. Former miners are also entitled to receive medical .

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  • Coal mining | definition of Coal mining by Medical dictionary

    coal face A popular UK term that is the metaphorical equivalent of the "trenches" or "front line". Example "Doctors who work in non-clinical roles often forget the challenges of the coal face".

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  • Coal mining - definition 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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  • 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 19th

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  • Coal | dreamhawk.com

    Coal can also depict parts of yourself – memories or experiences – that were deeply buried but are being, or have been brought to the surface, perhaps to be burnt out and therefore cleansed. There is usually great wisdom in such coal and it needs to be unfolded from the symbol by exploring the feelings and ideas connected with the image.

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  • Coal mining definition and meaning | Collins English .

    Coal mining definition: the act, process, or industry of extracting coal from the earth | Meaning, pronunciation, translations and examples

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  • 15 Important Facts About Coal Mining and Burning

    Jul 26, 2017 · Coal mining has detrimental impacts on human health, the environment, and water supplies. Here are 15 important facts related to coal mining and burning that cannot be ignored. Types of Coal Mining. 1. Different types of coal are used depending on the amount of heat released when it .

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  • What are environmental regulations on mining activities .

    Material adapted from: Hudson, T.L, Fox, F.D., and Plumlee, G.S. 1999. Metal Mining and the Environment, p. 48-49. Published by the American Geosciences Institute Environmental Awareness Series. Click here to download the full handbook. An extensive regulatory system has been developed to govern current mining operations in the United States, as well as to guide the cleanup of

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  • Coal - definition of coal by The Free Dictionary

    coal a combustible mineral used as fuel: They used coal for heating their homes. Not to be confused with: cole – cabbage or rape plant: cole slaw kohl – a preparation used as eye makeup: She accented her eyes with kohl. coal (kōl) n. 1. a. A natural dark brown to black graphitelike material used as a fuel, formed from fossilized plants and .

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  • Mining | Definition of Mining at Dictionary.com

    Mining definition, the act, process, or industry of extracting ores, coal, etc., from mines. See more.

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  • Coal mine | Definition of Coal mine at Dictionary.com

    Coal mine definition, a mine or pit from which coal is obtained. See more.

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