• 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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  • Mining dictionary of terms for explorers, historians and ...

    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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  • Commercial coal mining: Empowered Committee of Secretaries ...

    May 31, 2020· The Centre has set up an Empowered Committee of Secretaries (ECoS) to deliberate on issues with regard to auction methodology and operationalisation of coal blocks allocated for commercial mining.

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  • Cabinet approves commercial coal mining policy; auctions ...

    May 21, 2020· New Delhi: India will soon begin auction of coal blocks for commercial mining purpose as the Union cabinet led by Prime Minsiter Narendra Modi on Wednesday approved the methodology which puts an end to the monopoly of staterun Coal India. “The auction methodology based on revenuesharing model has been approved by the Cabinet,” sources said adding the formal announcement is …

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  • Full text of "A glossary of terms used in coal mining"

    Full text of "A glossary of terms used in coal mining" See other formats ...

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  • A Glossary of the most common mining terms

    May 04, 2018· Having trouble understanding mining terminology? Here’s a comprehensive AZ guide of mining terms you need to know if you are considering investing in the mining industry or are just curious about how mining works. AC drilling: Air core drilling; Air …

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  • Glossary of Mining Terminology Glace Bay

    Bootleg Coal The mining and/or selling of coal from an area not owned by the miner or without the owner's permission. Bord A chamber excavated in coal, off a balance. In some coal fields, a bord is called a room. Bore Hole A hole of small diameter drilled or bored to explore the strata beneath,

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  • Mining Terms Dictionary | The Diggings™

    Dictionary of terms related to Mining, Mining, Claim, geography, maps, the Bureau of Land Management, and The Diggings™.

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  • Glossary of Mining Terms SEC

    EX99 15 GLOSSARY OF MINING TERMS Glossary of Mining Terms ... Anthracite A hard, black coal containing a high percentage of fixed carbon and a low percentage of volatile matter. Anticline An arch or fold in layers of rock shaped like the crest of a wave.

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  • Mining | Britannica

    Large stripping machines with excavating wheels used in surface coal mining are employed in other types of openpit mines. Water inflow was a very important problem in underground mining until James Watt invented the steam engine in the 18th century. After that, steamdriven pumps could be used to remove water from the deep mines of the day.

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  • Glossary of coal mining terminology Wikipedia

    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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  • Mining Glossary Energy Glossary | Australian Shares

    A. Abutment A coal mining term to describe the weight of the rocks above a narrow roadway transfering to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway.; Angle of dip The angle at which strata or mineral deposits are inclined to the horizontal plane.; Anorthosite A plutonic rock composed almost entirely of plagioclase, which is usually ...

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  • Types of Jobs in Coal Mining | Work

    Coal mining is a significant part the energy industry worldwide, and in specific regions of the United little over 60 percent of the United States' electricity industry is comprised of fossil fuels, including coal. Its usage is not only part of the job market in the country it;s also cultural and political shaping aspects of what makes a town thrive, or not do very well.

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  • Wordnik: Coal Mining Terms

    Coal mining has engendered fascinating subcultures in industry, labor, music, folklore, environment and energy. It has a rich vocabulary as well, and I've encountered some gorgeous mining words. I'd like to collect as many as I can here, whether Appalachian or British.

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