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disadvantages of underground mining

disadvantages of underground mining

Apr 02 2018 · Advantages and disadvantages of open pit mining Open pit mining is profitable when the deposit is not very deep or when the terrain is sandy or delicate so that underground mining is not possible Labor costs are lower both in excavation and transportation and allow the use of

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  • Pros and Cons of Mining Pros an Cons
    Pros and Cons of Mining Pros an Cons

    Dec 08 2018 · Mining involves the extraction of valuable minerals from the earth surface Mining can either be surface mining or subsurface underground mining Mining not only beneficial to the surrounding community and public in general but it can also pose a lot of risks to the surrounding community Let’s look at the pros and cons of mining in an area

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

    The main methods of underground mining are Room and Pillar Mining Removing ore while leaving behind some for roof support Longwall Mining An edge of the ore is sliced off in a toandfro pattern Cut and Fill Mining Ore removed from the tunnel which is then filled with waste Advantages and Disadvantages

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  • Surface Mining Sustainable Development Environmental
    Surface Mining Sustainable Development Environmental

    Surface mines offer advantages and disadvantages when compared to underground mining Amongst the advantages are that it is cheaper can recover more of the resource usually up to 100 within the mining excavation is safer and can use largerscale mining equipment offering higher production rates

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  • Advantages Of Underground Mining
    Advantages Of Underground Mining

    What are the disadvantages of underground mining Underground mining is very expensive to conduct It requires management of a fresh air supply along with drainage

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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 surface mining becomes prohibitive and underground techniques must be considered Counting against underground mining are the costs which for each ton of material mined are much higher underground than on

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  • Types of Underground Mining Method Comparison
    Types of Underground Mining Method Comparison

    Table of ContentsFactors Affecting Choice of MethodReview of Stoping MethodsUnderhand Stoping Mining MethodOverhand Stoping MethodLongitudinal Back FlatBack Mining MethodLongWall StopingmMining MethodRillCut Stoping MiningSawTooth Back StopingShrinkage StopingMining by Combination StopingSide StopingBreast StopingSublevel StopingSquareSet StopingFilling

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  • What Are the Advantages and Disadvantages of Mining
    What Are the Advantages and Disadvantages of Mining

    Apr 13 2020 · Mining gives people a portion of the resources needed for modern civilization but it can also lead to environmental harm While some are in favor of mining due to the resources it produces and the jobs it provides in the US some are opposed to mining based on opposition to destructive mining practices and environmental concerns

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  • advantages of open cast mining
    advantages of open cast mining

    The Advantages of Open Pit Mining SciencingOpen pit mining does offer some advantages over traditional deep shaft mining Pit mining is more cost effective tha

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  • Environmental Risks of Mining
    Environmental Risks of Mining

    Underground Mining Underground mining has the potential for tunnel collapses and land subsidence Betournay 2011 It involves largescale movements of waste rock and vegetation similar to open pit mining Additionally like most traditional forms of mining underground mining can release toxic compounds into the air and water

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  • Open Pit Mining Disadvantages Mineral Production
    Open Pit Mining Disadvantages Mineral Production

    Disadvantages of open pit mining However disadvantages when compared to Underground Mining also exist Very large amounts of waste rock are mined This creates costs as well as environmental issues with waste rock disposal Major disruption of surface pit footprint waste dumps High visual impact especially strip mining

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  • What Are the Advantages and Disadvantages of Mining
    What Are the Advantages and Disadvantages of Mining

    Apr 13 2020 · Mining gives people a portion of the resources needed for modern civilization but it can also lead to environmental harm While some are in favor of mining due to the resources it produces and the jobs it provides in the US some are opposed to mining based on opposition to destructive mining practices and environmental concerns

    Read More
  • Surface Mining Sustainable Development Environmental
    Surface Mining Sustainable Development Environmental

    Surface mines offer advantages and disadvantages when compared to underground mining Amongst the advantages are that it is cheaper can recover more of the resource usually up to 100 within the mining excavation is safer and can use largerscale mining equipment offering higher production rates

    Read More
  • advantages and disadvantages of mining metal ores
    advantages and disadvantages of mining metal ores

    advantages disadvantages mining metals Jan MC What are the advantages and disadvantages of mining The advantages of surface mining are It is cheaper to extract the ore or metal than underground mining Less chance of workers dying from toxic fumes therefore it is safer unlike underground mining

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  • The Advantages And Disadvantages Of Surface Mining
    The Advantages And Disadvantages Of Surface Mining

    What are the advantages and disadvantages of surface mining The advantages of surface mining are It is cheaper to extract the ore or metal than underground mining Less chance of

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  • How Underground Mining Works HowStuffWorks
    How Underground Mining Works HowStuffWorks

    Underground mines are the alternative to surface mines Surface mines excavate from the top down a method that can become inefficient at depths greater than about 200 feet 60 meters sources Illinois Coal Association De BeersUndergrounds coal mines can drive 2500 feet 750 meters into the Earth and other types even deeper uranium mines can reach 6500 feet or 2 kilometers

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  • What are the advantages of underground mining Answers
    What are the advantages of underground mining Answers

    Advantages of Underground Mining are It allows minerals to be extracted from deep underground It doesnt create a mess like open cut or surface mining Does not affect the physical

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  • Surface Mining Methods and Equipment
    Surface Mining Methods and Equipment

    with respect to the advantages and disadvantages of various mining methods Figures 1a and 1b show histograms of production sizes for metal mines operated during between 1988 and 1997 in the western world Open pit mining is the most common method for largescale operations whereas underground mining is generally the most

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  • disadvantages from open cut mining Jack Higgins
    disadvantages from open cut mining Jack Higgins

    4 Disadvantages of open pit mining However disadvantages when compared to Underground Mining also exist Very large amounts of waste rock are mined This creates costs as well as environmental issues with waste rock disposal Major disruption of surface pit footprint waste dumps High visual impact especially strip mining Read More

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  • Advantages And Disadvantages Of Mining Minerals
    Advantages And Disadvantages Of Mining Minerals

    Mine Headgears Structural Engineering and Underground Mining Describes Mine Headgears and Headframes should be done prior to the headframe design based on the advantages and disadvantages of each steel concrete wood masonry preferably in the mining and mineral processing industry Read more

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  • What are disadvantages of underground mining Yahoo
    What are disadvantages of underground mining Yahoo

    Mar 18 2008 · disadvantages of underground mining The problems then that seem most necessary to address in order to make oil shale mining in the United States economically feasible and profitable are as follows First the impact of drilling and mining upon the environment must be minimized as many oil shale reserves lie in national parks or other

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  • disadvantages of mining and mineral processing
    disadvantages of mining and mineral processing

    Open Pit Mining Disadvantages Mineral Production 4 Disadvantages of open pit mining However disadvantages when compared to Underground Mining also exist Very large amounts of waste rock are mined This creates costs as well as environmental issues with waste rock disposal Major disruption of surface pit footprint waste dumps

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  • disadvantages of gold mine
    disadvantages of gold mine

    The many advantages of underground mining Apr 27 2015· According to longwall mining a type of underground mining that utilizes a longwall shearer accounts for 50 percent of coal mines in the world and is much safer than other methods of coal mining

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

    Oct 21 2017 · In underground mining there are two methods bordandpillar and longwall Bordandpillar Bordandpillar is the oldest mining method A grid of tunnels is created in the areas of mineral content The process chips away at the panels into the coal seam Pillars of coal are left intact to support the mine

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  • Underground Mining Methods New Pacific Metals
    Underground Mining Methods New Pacific Metals

    Block caving is essentially the underground version of openpit mining It’s the only underground mining method that can reach similar production rates to surface mining operations up to over 100000 tonnes per day The method involves undermining an ore body then allowing it

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  • Digging deeper Mining methods explained Anglo American
    Digging deeper Mining methods explained Anglo American

    The underground mining methods we use include room and pillar narrow vein stoping and largescale mechanised mining Room and pillar mining is a style of mining where tunnels are driven in a chess board pattern with massive square pillars between them which are gradually cut away as the work proceeds We use this for mining coal

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  • Advantages of underground mining Yahoo Answers
    Advantages of underground mining Yahoo Answers

    Aug 01 2007 · 7 Underground mining may permit selective mining of a particular bed without removal of or contamination by the overlying materials or clay seams 8 Underground mining may permit allweather mining and provide greater economies through yeararound operation 9 Underground mining is more inconspicuous than openpit mining a factor that

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  • Underground Mining Methods and Equipment
    Underground Mining Methods and Equipment

    1 Underground Mining Methods 11 Classification of Underground Mining Methods Mineral production in which all extracting operations are conducted beneath the ground surface is termed underground mining Underground mining methods are usually employed when the depth of the deposit andor the waste to ore ratio stripping ratio are

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