advantages of surface mining of coal compared to underground mining

  • underground mining,sub surface mining,mining,mining ...

    Nov 13, 2007· Underground mining Main article: Sub-surface mining. Most coal seams are too deep underground for open cast mining and thus this type of mining is called underground mining. In deep mining, the room and pillar or board and pillar method progresses along the seam, while pillars and timber are left standing to support the coal mine roof.

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  • The many advantages of underground mining

    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.com, 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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  • What are the advantages and disadvantages of surface mining

    Aug 22, 2009· 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 ...

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  • Open Cast Mining Advantages

    In the previous topic, we saw which are some of the advantages that can make the surface open pit mining methods superior method compared to the underground mining. However, underground mining has its own advantages. And finally, the ultimate decision to mine from the surface or from underground comes down to the specific characteristics of the deposit.

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  • Environmental Science Land Use Review Flashcards | Quizlet

    Start studying Environmental Science Land Use Review. Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... mining method- mining underground coal deposits, in which shafts are dug deeply into the ground and networks of tunnels are dug to follow coal seams. ... Surface mining (strip mining, open pit mining ...

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  • advantages to surface mining article

    Surface vs. Underground Mining - Truth About Surface Mining. Download as PDF; Print this Article; share on facebook ... Why do we surface mine a coal seam or group of seams instead of deep mining that reserve? Read More

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  • What is the advantage and disadvantage of surface mining ...

    Apr 15, 2019· 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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  • Types of Underground Mining Method Comparison

    In any discussion of Methods of Underground Mining Comparison, one is repeatedly confronted with the difficulty of dealing with so many variable conditions. It is not an exact science and in the choice of a method each varying factor has a certain weight, which, in many cases, experience alone can determine.

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  • Underground v.s. Surface Coal Mines: Is ... - Mining Global

    Although both methods have their benefits and drawbacks, underground drilling may just be the cost worthy selection for you Mining for coal depends on many variables. The geology and environmental aspects play a vital role, but depth and quality of the seam is what brings home the bacon. Depending on where the seam (profitable bed of coal) is located, extracting this black gold can require a ...

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  • The Actual Difference Between Surface and Underground Mining

    Feb 23, 2018· The Actual Difference Between Surface and Underground Mining 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.

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  • envi sci nonrenewable energy resources Flashcards | Quizlet

    envi sci nonrenewable energy resources study guide by emmacap123 includes 17 questions covering vocabulary, terms and more. ... how does the US compare to the rest of the world in terms of our sources of energy. ... why does surface mining of coal typically cause more environmental harm than subsurface mining.

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  • What Are the Disadvantages of Opencast Mining? | …

    Although surface mining reduces production costs and poses fewer health dangers to miners compared to underground mining, surface mining also requires blasting into rock and changing the landscape, increasing the risk of mountainside erosion, mudslides and compaction of the soil.

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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 within the mining excavation), is safer and can use larger-scale mining equipment offering higher production rates.

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  • advantages of surface mining of coal compared to ...

    Coal mining - Choosing a mining method | Britannica.com. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many technological, economic, and social factors.

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  • What are the cons of surface mining - Answers

    Surface mining occurs close to the surface (less than a mile deep), while underground mining is underground. Asked in Geology, Mining What are the advantages and disadvantages of surface …

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  • Surface mining equipment | Komatsu Mining Corp.

    Komatsu Mining Corp. is the world's largest producer of electric mining shovels and a leading producer of surface mining equipment including blasthole drills, walking draglines and wheel loaders. We offer solutions worldwide for use in the mining and processing of essential minerals.

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  • What are the pros and cons of subsurface mining? - Quora

    Advantages of underground mining: *less surface disturbance *less environmental disturbance *less waste mined per tonne of ore *ability to mine resources that are not economic as a surface mine *cheaper to set up mine development for deep ore depo...

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  • What is the advantage and disadvantage of surface mining ...

    Apr 14, 2019· 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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  • Open Pit Mining Pros & Cons | Sciencing

    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. Worldwide, 40 percent of mining occurs at the surface, according to Greenpeace International. Compared with underground mining, surface mining is …

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  • Differences in Subsurface and Surface Mining - YouTube

    Apr 30, 2017· -- Created using PowToon -- Free sign up at -- Create animated videos and animated presentations for free. PowToon is a free ...

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  • Surface mining - Wikipedia

    Surface mining began in the mid-sixteenth century [dubious – discuss] and is practiced throughout the world, although the majority of surface coal mining occurs in North America. It gained popularity throughout the 20th century, and surface mines now produce most of the coal mined in …

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  • Surface mining - SlideShare

    Oct 16, 2015· ADVANTAGES OF SURFACE MINING • Like Underground Mining no minerals are blocked as shaft pillars, supports, roadways etc. • Roof control and ventilation is not required . • Low cost as compared to Underground Mining . • Low labor requirement than Underground Mining. • Hazards and dangers are lesser than Underground Mining .

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  • What are the advantages and disadvantages of underground ...

    Shallow mineral or coal deposits can be economically mined by open-pit or strip mines. 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 Is Surface Mining? | Convergence Training

    There are two basic classes of mining: mining at the Earth's surface and mining underground…Surface mining accounts for two thirds of the world's solid minerals, and is predominantly used in obtaining sand, gravel, crushed stone, phosphates, coal, …

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