advantages of strip mining coal

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  • CHAPTER 11 Mining Technology

    basin which produces Federal coal Area strip mining proceeds by first making a box cut into the earth to uncover the initial strip of coal that is to be mined The strip of coal uncovered will vary from 100 to 200 ft in width and from one-quarter to several miles in length The actual size of the cut will be de-termined by the thickness of...

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  • Advantages And Disadvantages Of Strip Mining

    Advantages And Disadvantages Of Strip Mining 977 Words4 Pag ABSTRACT Mining is the extraction of profitable minerals or other geographical materials from the earth normally from a metal body crease Digging forms include prospecting for metal bodies examination of the benefit capability of a proposed mine extraction of the coveted materials...

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  • Fossil fuels Definition Types Pros And Cons

    Coal mining is done in two ways underground mining uses heavy machinery to extract coal from deep underground deposits while opencast mining also known as strip mining removes entire layers of soil and rock to gain access to the coal deposits below Strip mining accounts for about two-thirds of the coal sourced in the United Stat...

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  • Strip Mining

    Strip Mining 505 Words3 Pag Over the years countless people have tried to pass legislation to stop a endemic of destruction The purpose of this research is to inform the uniformed and curious about the ecological and some economical effects that strip mining of Appalachia and spread information of the deleterious effects in has inflicted...

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  • Surface subsidence prediction method of backfill

    Mar 15 2019 0183 32 Backfill-strip mining is a partial backfilling technology that combines the advantages of backfill mining and strip mining In this technology longwall partial backfill mining is conducted first After the backfill materials achieve a certain bearing capacity the residual coal pillar is recycled...

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  • What are the advantages and disadvantages of underground

    Feb 13 2016 0183 32 Shallow mineral or coal deposits can be economically mined by open-pit or strip min However with deeper mineral or coal deposits it becomes very costly to remove a great deal of overburden in these kinds of settings So in these cases underground mining is more cost effective The downside is that human health and safety are at greater...

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  • What are the advantages of strip mining

    Jun 02 2020 0183 32 Advantag It provides employment opportunities to communiti It provides product useful to the societies such as steel and cement made from coal in coal mining It facilitate the development of social service such as hospital water Construction of infrastructure that is important to people around mining area...

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  • Open Pit Mining

    Open-pit mining is the process of extracting rock or minerals from the earth through their removal from an open pit or borrow Figure 88 Open-pit mine 16 Surface mining is usually used to develop coal seams and deposits of many other minerals but their feasibilities vary with the nature of the body ore...

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  • Coal Contour Surface Strip Mining

    The Contour or Bench method of surface or strip mining is usually associated with coal where a seam or multiple seams are located at a certain elevation or elevations through a mountain or hill Contour mining allows for the extraction of coal from mountainous areas where it is not feasible to extract the entire seam using mountain top...

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  • Strip Mining A Destructive Way of Coal Extraction

    Mar 12 2017 0183 32 The process of strip mining also lowers groundwater levels around the mine In order to remove the coal vast quantities of groundwater are pumped out of the mine and as a result surrounding ecosystems and farmland may become drier and erosion may start to change the landscape Strip mining also uses significant amount of water to suppress dust...

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  • Strip Mining

    Andrew P Schissler in Encyclopedia of Energy 2004 23 Strip Mining Strip mining is employed in coal reserves where the overburden is removed in rectangular blocks in plan view called pits or strips The pits are parallel and adjacent to each other Strip mining is fundamentally different from contour or area mining on how the overburden is displaced called spoil handling...

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  • Surface mining

    Strip mining is the practice of mining a seam of mineral by first removing a long strip of overlying soil and rock the overburden this activity is also referred to as overburden removalIt is most commonly used to mine coal and lignite brown coal Strip mining is only practical when the ore body to be excavated is relatively near the surface and/or is mostly horizontal...

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  • 5 Pros and Cons of Strip Mining Flow Psychology

    Materials such as coal and tar sand are located relatively near the surface of the earth The method to recover such materials is called strip mining a form of surface mining where surface vegetation soil and rocks are removed in strips and often times together with controlled explosions in order to make the removal process more efficient...

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  • advantages of shaft mining

    Oct 23 2020 0183 32 Advantages 1 Mining of ores will enable people to get useful elements with significant profit The shaft is drilled in 3 stages a pilot hole 12 m dia Yet it s only viable when the materials are reachable after removing only a small layer from the Mining Production Activiti...

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  • What Are the Advantages and Disadvantages of Surface Mining

    Mar 25 2020 0183 32 Advantages of surface mining include economic and financial benefits for miners and communities and a safer alternative to pit mining but its disadvantages include environmental impacts such as erosion and contamination Surface mining also called strip mining delivers economically vital supplies of coal which powers transportation and...

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  • advantages to surface mining article

    Open Pit Mining Pros Cons Open pit mining -- or strip mining -- is an extraction process for ore or fossil fuels that takes place at the surface of a mining site Read more Mining -...

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  • Strip Mining Flashcards Quizlet

    -near surface coal or other minerals with large lateral extent and low cohesive strength clays/phosphates Strip Mining Operations 1 Remove Topsoil 2 drill/blast overburden Dragline Advantages-Flexible Operation-Large Digging Capacity...

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  • Strip mining Britannica

    Strip mining removal of soil and rock overburden above a layer or seam particularly coal followed by the removal of the exposed mineral The common strip-mining techniques are classified as area mining or contour mining on the basis of the deposit geometry and type The cycle of operations for both techniques consists of vegetation clearing soil removal drilling and blasting of...

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  • 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 larger-scale mining equipment offering higher production rat Disadvantages include its high visibility...

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  • Stripping Ratios What are They and Why are They Important

    Oct 30 2018 0183 32 A strip ratio or stripping ratio is an important measurement related to the open-pit mining process It represents the amount of waste material also known as...

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  • Coal and the environment

    Dec 01 2020 0183 32 However producing and using coal affects the environment Effects of coal mining Surface mines sometimes called strip mines were the source of about 62 of the coal mined in the United States in 2019 These mining operations remove the soil and rock above coal deposits or seams The largest surface mines in the United States are in Wyoming...

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  • What is the advantage and disadvantage of surface mining

    Mining is an activity to take out precious natural resource to satisfy humans unending demand This activity is carried out extensively and has caused major imbalance in our ecology There are several other industries dependent on mining hence an...

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  • What Are the Pros and Cons of Strip Mining with pictures

    Andrea Cross Strip mining is used to recover resources that are close to the surface Strip mining is a form of surface mining that is usually employed for the recovery of materials such as coal and tar sand which are relatively near the surface of the earth Surface vegetation soil and rocks are removed in strips often in conjunction with controlled explosions to make removal more efficient...

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  • Advantages And Disadvantages Open Pit/strip Mining

    Open Pit Mining Pros Cons Open pit mining -- or strip mining -- is an extraction process for ore or fossil fuels that takes place at the surface of a mining site Read more The Advantages of Open Pit Mining...

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  • Advantages and disadvantages of underground mining methods

    Advantages and disadvantages of underground mining methods Products As a leading global manufacturer of crushing grinding and mining equipments we offer advanced reasonable solutions for any size-reduction requirements including Advantages and disadvantages of underground mining methods quarry aggregate and different kinds of minerals...

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  • Advantages And Disadvantages Of Open Cut Mining

    Advantages And Disadvantages Of Open Cut Mining Coal mining 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 or strip mining It doesn39t create a mess like open cut or surface mining...

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  • Coal National Geographic Society

    Dec 22 2012 0183 32 Surface Mining Strip Mining Strip mining is used where coal seams are located very near the surface and can be removed in massive layers or strips Overburden is usually removed with explosives and towed away with some of the largest vehicles ever made Dump trucks used at strip mines often weigh more than 300 tons and have more than 3 000...

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  • Pros and Cons of Strip Mining APECSECorg

    Chapter 2 The Environmental Effects of Strip Mining - The...

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  • What are the advantages of strip mining

    May 03 2011 0183 32 The advantages of strip mining are to save miners in the case of an accident Instead of shaft mining where you are in a cave that could collapse at any...

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  • Chapter 2 The Environmental Effects of Strip Mining

    This section describes the five main types of surface coal mining techniques area mining open pit mining contour mining auger mining and mountaintop removal Underground mining is also considered in this section Terrain economics and custom generally dictate which technique an operator choos All surface or strip mining first removes the overlying vegetation soil and underground...

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  • Advantages of Strip Mining

    Dec 04 1971 0183 32 L W Saperstein and T V Falkie lr on Nov 7 ed that urged curbs on strip mining notes many advantages of strip mining over underground mining including safety and econ...

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  • What are the advantages of coal mining

    Nov 17 2009 0183 32 Coal is mined by two methods surface or opencast mining or underground or deep miningThe choice of mining method largely depends on the geology of the coal deposit...

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  • What Are the Disadvantages of Opencast Mining

    Mar 25 2020 0183 32 Opencast mining also known as surface mining or strip mining has disadvantages that include disturbance of the environment and local ecosystems exposure of radioactive elements and contamination of freshwater sourc The use of heavy machinery and blasting techniques also create environmental pollution...

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