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difference between open pit mining and underground mining

Apr 02, 2018· The Witwatersrand gold mine in South Africa is an excellent example of underground mining that exploits gold from ancient rocks at depths of up to 4 km underground. What is open pit mining On the other hand,open-pit mining is the most common mining and ranges from very low-priced minerals to finely disseminated gold deposits.

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  • The Mining Life Open Pit vs. Underground MICROMINE
    The Mining Life Open Pit vs. Underground MICROMINE

    Aug 22, 2017· There’s an obvious distinction between open pit mines and underground mines that leads to themain differencesfrom the miners’ perspectives.Open pit mines allow for heavy machinery and workers to do their jobs in the open and usually with more maneuverability.

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  • Opencut Mining or Underground Mining Which Is Better
    Opencut Mining or Underground Mining Which Is Better

    Oct 21, 2017· Bothopen-cut and underground mining is used in modern mining. The approaches are different, and there are advantages to each. Open-cut mining. Opencut mining gets its name because that’s exactly what this type of mining looks like, a big open pit. This type of mining allows for the extraction of minerals that aren’t very far under the surface.

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  • Difference Between Open Cast Mining And Underground Mining
    Difference Between Open Cast Mining And Underground Mining

    Differences between open pit and underground miningMainDifference. Insurface mining, theoreis accessed directly from the Earth's surface, and contact is maintained with the surface throughout the operation.Undergroundorsubsurface miningis accomplished with the help of tunnels going into the Earth, and does not occur on the surface. Working Principle

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  • Open Cut and Underground Mining iMINCO
    Open Cut and Underground Mining iMINCO

    OpenCutMining. There are manydifferences between opencutand underground mining. When minerals and deposits are found close to the surface and spread across a large distance, the best way tomineis to use theopencutminingmethod. In this process, the area is cleared of all topsoil and vegetation, this material is stockpiled and used ...

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  • What's The Difference Between Open Pit Mining, Underground
    What's The Difference Between Open Pit Mining, Underground

    Dec 10, 2012·Open pit miningis just digging a large area like a quarry & coal taken out from thepit.Underground miningis where they sink shafts into the ground & tunnels run off from that point. Strip...

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  • The Actual Difference Between Surface and Underground Mining
    The Actual Difference Between Surface and Underground Mining

    Open-pit Mining: Removing ore to leave a crater. Quarrying: Anopen-pit minefor construction materials.Strip Mining: Ore is removed in parallel strips. Mountaintop Removal: Top of a mountain is blasted to removedeep ore. Dredging: Ore is removed from a river bottom. The main methods ofunderground mining…

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  • What is thedifference betweenopencast underground mining
    What is thedifference betweenopencast underground mining

    Underground mininguses differentunderground miningtechniques to excavate hard minerals, such as ore which contains, gold, copper, silver zinc.Underground miningnot only produces gold, copper & silver but also precious gems like diamonds & rubies. The advantages ofunderground mining:

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  • Difference Between OpenCastMining And Underground Mining
    Difference Between OpenCastMining And Underground Mining

    Differences between open pit and underground miningMainDifference. In surfacemining, the ore is accessed directly from the Earth's surface, and contact is maintained with the surface throughout the operation.Undergroundor subsurfaceminingis accomplished with the help of tunnels going into the Earth, and does not occur on the surface ...

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  • What are thedifferences between open pit mining
    What are thedifferences between open pit mining

    Apr 07, 2017· Stripminingand subsurfaceminingStripmining(or surfacemining) is performed when surface soil and rock are stripped off to reach the mineral of concern. When such operations are done, surface water bodies (lakes, streams, etc) gets acidity. Acidminedrainage occurs when water molecules infiltrates the spoil banks. The water reacts with sulfide minerals to produce sulfuric acid. The acid ...

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  • What is thedifference betweenstripminingand
    What is thedifference betweenstripminingand

    Oct 10, 2016· Stripminingis done on the surface;underground miningis done below the surface. In stripmining, the ore is extracted from the surface in layers resulting in a deepening artificial valley. This is done when the ore is relatively near the surface. Inunderground mining,mineshafts are bored or dug from the surface to theundergroundlayers where the ore is located, and ore extraction takes ...

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  • TheDifference Between Underground MiningAnd SurfaceMining
    TheDifference Between Underground MiningAnd SurfaceMining

    Apr 21, 2014· TheDifference Between Underground MiningAnd SurfaceMining1. TheDifference Between Underground MiningAnd SurfaceMiningThe process of removal of essential mineral ores or geological substances from soil or sand is calledmining. These minerals are of great value and are abundantly available in rocks and earth’s surface.

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  • Mining Underground mining Britannica
    Mining Underground mining Britannica

    Mining-Mining-Underground mining: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surfaceminingbecomes prohibitive,and undergroundtechniques must be considered. Counting againstunderground miningare the costs, which, for each ton of material mined, are much higherundergroundthan on the ...

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  • Digging deeper Miningmethods explained Anglo American
    Digging deeper Miningmethods explained Anglo American

    Learn more aboutopen-pit mining. 2.Underground mining.Underground miningis used to extract ore from below the surface of the earth safely, economically and with as little waste as possible. The entry from the surface to anunderground minemay be through a horizontal or vertical tunnel, known as an adit, shaft or decline.

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