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Start studying Environmental Science Land Use Review. Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... Compare and contrast the economic and environmental advantages and disadvantages of 3 types of surface mining and subsurface mining. Surface mining (strip mining, open pit mining, mountain top removal)

Environmental impacts of mining can occur at local, regional, and global scales through direct and indirect mining practices. Impacts can result in erosion, sinkholes, loss of biodiversity, or the contamination of soil, groundwater, and surface water by the chemicals emitted from mining processes.

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.

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, .

Disadvantages of Haulback Contour Mining ... • 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

Apr 02, 2018· Disadvantages of open pit mining. One of the main disadvantages of this type of mining operation is the environmental impact it causes. Since cyanide, mercury and sulfuric acid are used to remove the wastewater, groundwater and air are contaminated as toxic dust . This is absorbed by animals and plants.

What Are the Advantages and Disadvantages of Surface Mining? 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.

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 ...

The quicksilver demon: rogue goldmining is the world''s largest source of mercury pollution (11/20/2013) Mining in Indonesia taking a heavy social, environmental toll (06/03/2013) Scientists discover high mercury levels in Amazon residents, goldmining to blame (05/28/2013) Mining companies must turn to recycling as demand for metals grows ...

Surface mining, also called strip mining, delivers economically vital supplies of coal, which powers . Effects Of Mining on the Environment and Human Health. Apr 20, 2015 Strip mining accounts for about 40 percent of the world''s coal mines but in some countries, such as Australia, open cast mines make up 80 percent of mines.

5 Chief Pros and Cons of Strip Mining – ConnectUS. Sep 24, 2015List of Cons of Strip Mining Strip mining is a controversial practice owing to the fact that it affects topography, vegetation and water resources. Although it is subject to state and federal reclamation requirements, the adequacy of such requirements is a frequent source of ...

Dec 04, 1971· 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

what are the disadvantages of strip mining regencypark. Strip mining 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.

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.

The major drawback of industrial mining is the damage mining operations cause to the environment. Removal of large areas of topsoil can destroy habitats, and the chemicals used in mining operations can leach into the groundwater and pollute the area.

Aug 22, 2018· Effects Of Mining on the Environment and Human Health Impacts of strip mining: Strip mining destroys landscapes, forests and wildlife habitats at the site of the mine when trees, plants, and topsoil are cleared from the mining area. This in turn leads to .

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 ...

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 largerscale mining equipment offering higher production rates.

The negative effects of coal mining cannot be disputed: Destruction of Landscapes and Habitats: Strip mining also known as surface mining, involves the stripping away of earth and rocks to reach the coal underneath. If a mountain happens to be standing in the way of a coal seam within, it will be blasted or levelled effectively leaving a ...

Feb 13, 2016· Shallow mineral or coal deposits can be economically mined by openpit 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 ...

Mining is an inherently invasive process that can cause damage to a landscape in an area much larger than the mining site itself. The effects of this damage can continue years after a mine has shut down, including the addition to greenhouse gasses, death of flora and fauna, and erosion of land and habitat. ...

Sep 18, 2019· 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.

Jun 09, 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.

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, 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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