machine use in open cast mining

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  • Surface Mining, Industry of Metals, Minerals, Precious Stones ...

    Surface mining is forms of mining in which the soil and the rock layer the mineral deposit are removed. It is the other way of insubordinate mining, in which the overlying rock is left behind, and the required mineral deposits are separate through shafts or tunnels.

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  • Coal mining - Wikipedia

    When coal seams are near the surface, it may be economical to extract the coal using open cut (also referred to as open cast, open pit, mountaintop removal or strip) mining methods.

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    Cryptocurrencies are here to stay, and mining them is the hottest topic today. It is easy to understand the logic with the cryptocurrency prices hitting their all-time peaks...

  • Selection of relevant features and examples in machine ...

    In this survey, we review work in machine learning on methods for handling data sets containing large amounts of irrelevant information. We focus on two key issues: the problem of selecting relevant features, and the problem of selecting relevant examples.

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  • Iron processing | Britannica.com

    Iron processing: Iron processing, use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting.

  • HSE Approved specifications for fire resistance and hygiene ...

    HSE Approved specifications for fire resistance and hygiene of hydraulic fluids for use in machinery and equipment in mines Reference HSE (M) File L11.6/3

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  • Tunnel boring machine - Wikipedia

    A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.They may also be used for microtunneling.

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  • Glossary of Mining Terms - rocksandminerals.com

    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 ...

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  • Glossary of Mining Terms - Kentucky 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 ...

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  • Mining - Atomic Rockets

    "Demandite" is the word used by mineral economists to describe the materials that must be provided— usually by mining— to meet the needs of civilization.

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