• What are the pros and cons of surface mining technology

    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 cal

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  • what are the pros of open pit mining? | Yahoo Answers

    Jan 26 2009· Best Answer Open pit mining (as opposed to underground mining) has several advantages 1) Low cost of recovery large trucks can enter the mine get filled up with rock from a large excavator and drive away to the processing plant 2) No need to leave stability pillars necessary to hold up underground

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  • Mining Facts for Kids

    All About Mining Fun Science Facts for Kids Learn more all about Mining through our free science kids site Fun Geography Facts for Kids on Mining Open pit mines are simply big open holes with terraced sid Coal copper and other minerals are dug out

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  • Pros and Cons of Strip Mining Vision Launch

    Strip mining is a form of resource collection that involves dirt removal from a very large area to sift through it Instead of working underground a pit is created deep in the ground and all work is accomplished on the surface Here are the pros and cons of strip mining to consider Mining happens

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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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  • What are some pros and cons of mining? | Socratic

    Jun 09 2017· What are some pros and cons of mining? What are the differences between open pit mining underground mining and strip mining? What is the environmental impact of diamond mining? See all questions in Mining Impact of this question 41028 views around the world

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  • Open pit mining Wikipedia

    Open pit open cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow Description This form of mining differs from extractive methods that require tunnelling into the earth such as long

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  • open pit mining disadvantages YouTube

    Aug 29 2016· Brownstone Mining Steps to Having a Working Gold Mine It is not process of gold mining open pit pros and cons disadvantages of open pit mining and disadvantages of open pit small scaleng Open

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  • What Are the Advantages of Open Pit Mining? | Reference

    Advantages of open pit mining include a lower cost compared with other methods and a higher safety level Open pit mining is also better suited to quarries containing smaller amounts of

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  • i) Mechanical excavation methods; such as Open pit and

    OPEN PIT MINING Open Pit Mining Open pit mines involve digging large open holes in the ground as opposed to a small shaft in hard rock mining This method of mining is most often used with minerals like copper and molybdenum Open pit coal mining has been popular in Europe but is used on a more limited basis in the United States for lignite

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  • Open pit mining | Britannica

    mining Open pit mining Deposits mined by open pit techniques are generally divided into horizontal layers called bench The thickness (that is the height) of the benches depends on the type of deposit the mineral being mined and the equipment being used; for large mines it

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  • Strip Mining vs Open pit mining mining reddit

    Open pits are for deposits that are tilted or even vertical Extraction is limited to a relatively smaller area and the mining operation moves down over time To dig deeper the pit also has to be widened over time increasing the ratio of overburden ore Eventually you will have to remove so much overburden that extraction no longer is

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  • Minerals and Mining Flashcards | Quizlet

    Open pit mining the recovery of materials from an open pit in the ground Quarrying identical to open pit mining except that it refers to sand stone and clay Deep Surface Mining Cons spoil often left in mine so people are not as affected by it on the surface but it can still leak to the surface as toxic gas

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  • ECONOMIC ASSESSMENT AND MINE PRODUCTION

    Open pit mining operations are long term investments and therefore are subject to possible unexpected changes during the mine exploitation stage This analysis is performed in order to appreciate the possible economic risks that could be generated on different economic and operational scenarios The Coriorcco Gold Project is located at about

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  • 5 Pros and Cons of Strip Mining | Flow Psychology

    5 Pros and Cons of Strip Mining 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

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  • Environmental Consequences of Open Pit Mining Blogger

    Mar 14 2012· An open pit mine is a type of excavation where surface and subsurface materials (soil and rock) are removed typically through use of explosives and mechanical mining and hauling equipment to gain access to commercially valuable ores or other buried natural resources including coal and gemstones that are relatively close to the surface

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  • What are the advantages and disadvantages of underground

    Feb 13 2016· 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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  • Minerals and Mining Flashcards | Quizlet

    Open pit mining the recovery of materials from an open pit in the ground Quarrying identical to open pit mining except that it refers to sand stone and clay Deep Surface Mining Cons spoil often left in mine so people are not as affected by it on the surface but it can still leak to the surface as toxic gas

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  • 2 Mining Methods copperorg

    Open pit mining is the most widely used technique of mining copper today It is accomplished by creating and using benches or terraces to gradually reach deeper under the earth's surface Underground mining is used when the copper ore is not near the earth's surface Miners dig a shaft into the ore deposit vertically or a horizontal tunnel (or

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  • What Are the Disadvantages of Opencast Mining

    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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  • Open Pit Mining Pros & Cons | Culture & Society

    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 method for mining gold silver

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  • What are some pros and cons of mining? | Socratic

    Jun 08 2017· What are some pros and cons of mining? What are the differences between open pit mining underground mining and strip mining? What is the environmental impact of diamond mining? See all questions in Mining Impact of this question 41028 views around the world

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  • Find out some pros and cons of underground mining in the

    Sep 08 2015· Find out some pros and cons of underground mining in the latest Operations Illustrated Contributed September 8 2015 By Mary Foster Contributing Editor Underground Processing An underground aggregate mine is a different world than a surface operation presenting unique challenges that surface mining does not It can be a costly undertaking

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  • Environmental Science Mining Flashcards | Quizlet

    Pros and cons of Open Pit mining It is large enough for men and machinery to move about is cost efficient and safe compared to open shaft mining Cons Leads to habitat loss creates large holes in the ground and those holes allow water to drain into them where they could become acidic

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  • Economic Impacts of Open Pit Mining | Bizfluent

    Business processes for mining include physical design methods scheduling collections expelling and removal of waste materials from the pit In the United States there are several open pit mining projects in operation extracting daily to support three levels of economics; local country and global with commodities worth billions of dollars

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  • Environmental Risks of Mining

    Open pit mining Open pit mining where material is excavated from an open pit is one of the most common forms of mining for strategic minerals This type of mining is particularly damaging to the environment because strategic minerals are often only available in small concentrations which increases the amount of ore needed to be mined

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