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Efficient OperationsOne of the major benefits to open pit mining is the increase in efficiency over deepshaft mining techniques. Because mining occurs at the surface, no space restrictions from narrow tunnels and shafts affect the rate at which ore can be extracted. Sampling each "bench" or level in an open pit before mining deeper makes it easy for surveyors to analyze the potential ...
Subsurface mines are probably what you envision when you think of mining: systems of tunnels and vertical shafts with elevators to take miners underground where they can retrieve the valuable resources.. Subsurface mines produce large amounts of environmentally hazardous acid mine keep the underground system of tunnels and mine shafts clear, mining companies have to pump out large ...
Environmental Impacts Laws Details about how the topsoil will be affected and how it will be replaced must be stated before mining begins. All affected water must be processed and cleaned before leaving the mining site. Procedures for public notice, public participation and
Apr 06, 2010· A look at surface and subsurface mining methods as well as their environmental impacts. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website.
Sep 24, 2016· 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...
Strip Mining. Strip mining is a kind of surface mining. The ore is very near to the surface of the land but has one or more layers of rock and filth on top of it. To mine the ore, these layers have to be removed. The steps in strip mining are similar to openpit mining.
Surface mining, including strip mining, openpit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed, in contrast to underground mining, in which the overlying rock is left in place, and the mineral is removed through shafts or tunnels.
Pros and Cons of Strip Mining Pros and Cons of Strip Mining. Feb 25, 2015. 0. 28217. Share on Facebook. Tweet on Twitter. For those who are unfamiliar, strip mining is a form of surface mining that focuses on the collection of tar sand and coal, which both .
the advantage and disadvantage of surface mining. advantages and disadvantages for coal mining advantages and disadvantages of surface mining The and disadvantages when compared to underground mining Pros and Cons of Strip Mining, APECSECorg For those who are unfamiliar, strip mining is a form of surface mining that focuses on the collection of tar sand and coal, which both rest .
Nov 24, 2014· Strip Mining: Generates acid drainage. Used to extract resources near the surface. Overburden is removed from mining site. Destroys large areas of wildlife habitat. Used to extract coal. Subsurface Mining: Safety requires good ventilation systems. Used to extract resources that are deep underground. One of the most dangerous occupations in the ...
What are the pros and cons of subsurface mining and surface mining? Answer. Wiki User ... Asked in Mining What are the pros and cons of strip mining? Pros: Quick, cheap Cons: Flooding and erosion ...
Strip mining is sensible when the ore body is near the surface. The practice includes some of the largest machines on earth, removing long strips of overlying soil and rock and then removing coal deposits. Openpit mining utilizes blasting and mineral removing, .
Jan 20, 2014· See what Vermeer surface mining equipment can do for you. Patented tilting capability Vertical wall capability Mine in layers Selective piling Sele...
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.
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 ...
mining advantages surface. Feb 25 2015 · For those who are unfamiliar strip mining is a form of surface mining that focuses on the collection of tar sand and coal which both rest somewhat close to Earth''s surface Those who support strip mining point to the increased ease of access and all of its attendant benefits Detractors point to the controversies surrounding this method
Start studying Environmental Science Mining. Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... Describe Strip Mining. ... Describe Subsurface mining. Strips under the surface, they create deep shafts to extract the ore. Pros and cons of Subsurface mining. Pros: faster, cheaper and reduces habitat loss. ...
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 ...
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 stripmining techniques are classified as area mining or contour mining on the basis of the deposit geometry and type. The cycle of operations for ...
Strip mining: This process involves the method of extracting the mineral by removing soil and rock which are deposited on the and Lignite are the two principle minerals that are extracted through this method. This kind of mining can be done when the mineral to be extracted almost near to the process is divided into ...
Sep 24, 2015· Surface mining refers to a category of mining where soil and rock overlying the mineral deposit are removed. There are several types of surface mining, and strip mining counts as one of them. In strip mining, a thin layer of material known as an overburden is removed so that access is made to the minerals buried underneath.
Jun 08, 2017· In a nutshell, although it is an undeniable fact that mining affects our world enormously, we ought not to demonize its practice while its benefits are constantly enjoyed by the large majority of people.. PROS: I. Economic incomes. enormous earnings by exportation, private contracts; II. Job offers/opportunities for locals.
Akshay ChavanLast Updated: Feb 23, 2018Did You Know. In the past, coal miners carried a caged canary () while working in underground tunnels. If the canary died, it was a sign that toxic gases were present inside, and the mine need to be evacuated. Throughout the 1850s, hundreds of thousands of migrants made a beeline to California in the anticipation of finding gold and making a fortune.
Jan 04, 2020· Strip mining is a form of surface mining that is primarily used for coal excavation. The rock and dirt covering the ore is removed one strip at a time. Once the ore has been taken from the first strip, a second strip is cut next to it, and the waste from the second strip is used to back fill the first.
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