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Advantages Of Strip Mining Coal

  • advantages of strip mining - educationcare

    What are the advantages of strip mining - Answers. The advantages of strip mining are to save miners in the case of an accident. Instead of shaft mining, where .

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  • Underground v.s. Surface Coal Mines: Is Deep Drilling .

    Surface mining. Opencast mining, otherwise known as surface mining consist of three different techniques: strip mining, open-pit mining, and mountain top blasting. In general, the three processes include breaking up soil and rocks via explosives and then removing debris until coal seams are .

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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 .

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  • what are the disadvantages of coal mining in south africa

    advantages and disadvantages of coal mining . advantages and disadvantages of coal mining in south africa KAMY is the worldwide leader in manufacturing hydraulic cutters, road headers, tunnel support systems, and other specialized machinery used in the tunneling, mining.

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  • Dragline Digging Methods in Australian Strip Mines - A .

    This conference paper was originally published as Mirabediny, H and Baafi, EY, Dragline Digging Methods in Austra.lian Strip Mines - A Survey, in Aziz, N (ed), Coal 1998: Coal Operators' Conference, University of Wollongong & the Australasian Institute of Mining and Metallurgy, 1998, 313-324.

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  • Coal- Geography 12: Advantages and Disadvantages of Coal .

    Jan 16, 2013 · Advantages and Disadvantages of Coal as a Energy Source Advantages: - It's easily transported to many areas in the world - Inexpensive to buy on open market due to large reserves and easy access ability . - Coal must be mined and and strip mining ruins habitats

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  • The many advantages of underground mining - Born2Invest

    Apr 27, 2015 · Historically speaking, underground mining not only saves the mining area's original form but also gives the mining company higher revenues. According to MiningGlobal, 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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  • Coal Mining Methods - EMFI

    Advantages of Longwall Mining Longwall mining is a very efficient coal producing technique. Longwall productivity is potentially higher than that of room-and-pillar mining, because longwall mining is basically a continuous operation requiring fewer workers and allowing a high rate of production to be sustained. The amount of coal recovered is also

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  • History of coal mining - Wikipedia

    In 1987 Wyoming became the largest coal producing state. It uses strip mining exclusively. Wyoming's coal reserves total about 69.3 billion tons, or 14.2% of the U.S. coal reserve. In 2008, competition was intense in the US coal mining industry with some U.S. mines approaching the end of their useful life (mine .

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  • pros and cons to strip mining? | Yahoo Answers

    Nov 27, 2010 · Best Answer: Pros Low cost method of recovering minerals (if the strip ratio and other parameters are good). If properly conducted, production rates are reliable and predictable. Results in high recovery of the resource - typically over 95% versus less than 50% for some other methods of mining.

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  • advantages of strip mining - educationcare

    What are the advantages of strip mining - Answers. The advantages of strip mining are to save miners in the case of an accident. Instead of shaft mining, where .

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  • What are the advantages of strip mining - answers

    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 given moment, you just take off layers of .

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  • What Are the Main Disadvantages of Coal Mining .

    Coal mining often causes flooding and erosion that leads to the destruction of ecosystems vital to humans and animals. Toxins and chemicals from coal mining are often released into the soil, air and water, which hinders the environment further along with the animals and people living in it.

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  • What are the advantages of strip mining - answers

    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 given moment, you just take off layers of .

    Get Support Online
  • Dragline Digging Methods in Australian Strip Mines - A .

    This conference paper was originally published as Mirabediny, H and Baafi, EY, Dragline Digging Methods in Austra.lian Strip Mines - A Survey, in Aziz, N (ed), Coal 1998: Coal Operators' Conference, University of Wollongong & the Australasian Institute of Mining and Metallurgy, 1998, 313-324.

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  • Coal- Geography 12: Advantages and Disadvantages of Coal .

    Jan 16, 2013 · Advantages and Disadvantages of Coal as a Energy Source Advantages: - It's easily transported to many areas in the world - Inexpensive to buy on open market due to large reserves and easy access ability . - Coal must be mined and and strip mining ruins habitats

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  • Contour Mining Flashcards | Quizlet

    • supplementary coal extraction techniques most often used immediately following contour strip mining • Depth of penetration is dependent on the variability of seam thickness, quality of the roof, geology, and equipment used • Recovery can vary from 40 to 60 %

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  • 6 Pros and Cons of Mountaintop Removal | Flow Psychology

    6 Pros and Cons of Mountaintop Removal Mountaintop removal refers to a type of mining that removes the summit of a mountain by using explosives to expose the coal seams underneath it, making it vastly different from the traditional mining practice of manually digging a tunnel through mountains.

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  • What are disadvantages of strip mining - answers

    Luis A. Fuste has written: 'Effects of coal strip mining on stream water quality and biology, southwestern Washington' -- subject(s): Coal mines and mining, Environmental aspects, Environmental .

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  • Opencast Mining (Quarrying): Methods, Advantages .

    Opencast mining is also known as open-put mining, open-cut mining, surface mining and also as strip mining, the later term being commonly used in the U.S.A. for opencast mining of coal. The overburden and the mineral, coal, are excavated in long strips of a few metres thickness and hence the operations are termed strip mining.

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  • Surface Mining Methods and Equipment

    UNESCO – EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING – Vol. II - Surface Mining Methods and Equipment - J. Yamatomi and S. Okubo ©Encyclopedia of Life Support Systems (EOLSS) Figure 2. Change in production and productivity of US coal mines The higher productivity for open pit mining equipment also lowers costs.

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  • What Are the Main Disadvantages of Coal Mining .

    Coal mining often causes flooding and erosion that leads to the destruction of ecosystems vital to humans and animals. Toxins and chemicals from coal mining are often released into the soil, air and water, which hinders the environment further along with the animals and people living in it.

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  • The Advantages of Open Pit Mining | Sciencing

    Mar 13, 2018 · Open pit mining does offer some advantages over traditional deep shaft mining. Pit mining is more cost effective than shaft mining because more ore can be extracted and more quickly. The working conditions are safer for the miners because there is no risk of cave in or toxic gas. Open pit mining is the preferred .

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  • The Advantages of Open Pit Mining | Sciencing

    Mar 13, 2018 · Open pit mining does offer some advantages over traditional deep shaft mining. Pit mining is more cost effective than shaft mining because more ore can be extracted and more quickly. The working conditions are safer for the miners because there is no risk of cave in or toxic gas. Open pit mining is the preferred .

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  • The Actual Difference Between Surface and Underground Mining

    Feb 23, 2018 · There are two ways to extract a mineral - by digging it up, or accessing it by tunnels. This pretty much sums up the comparison of surface vs. underground mining. But is it that simple? For a better understanding, ScienceStruck gives more differences between these two methods.

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  • What are the advantages of shaft mining - okdgroup

    What are the advantages of shaft mining Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, What are the advantages of shaft mining, quarry, aggregate, and different kinds of minerals.

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  • Advantages of Strip Mining - The New York Times

    Dec 04, 1971 · December 4, 1971, Page 30 Buy Reprints The New York Times Archives. To the Editor: In reference to your recent editorial regarding regulation of strip mining for coal.

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  • 5 Foremost Pros And Cons of Mountaintop Removal – ConnectUS

    Sep 24, 2015 · Mountaintop removal has both advantages and disadvantages. The key here is to continue the discussion in hopes that, one day, the government, coal companies and residents in mining areas can enjoy the pros without experiencing a lot of the cons.

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  • What Is Surface Mining? | Convergence Training

    Strip mining is using a lot for coal, phosphates, clays, and tar mining. Mountaintop Removal. This is an alternative, and more recent, version of strip mining. As the main suggests, mountaintop removal mining involves removing the top of steep mountains to expose desired deposits below.

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  • What are some advantages of strip mining? - Quora

    Jun 27, 2016 · They are only advantages for shallow (<150m) flat lying tabular or sheet deposits like coal. * Continuity of flow sheet or process.not batch process.so good capital utilisation * Large scale equipment, so economies of scale * Suitable for ow.

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