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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 ...
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 ...
Apr 12, 2009· Best Answer: I am assuming you are wanting an answer that is considering the advantages / disadvantages of u/ground mining compared with open pit mining? (Let me know if this isn''t the case.) Advantages Underground mining (as compared to open pit exploitation) allows a mine operation to be largely ''hidden'' having only adits or headframes protruding above the 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.
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...
advantages and disadvantages of surface mining equipment ... what are the advantages of surface mining of coal. Find the Right and the Top Advantages And Disadvantages Of Surface Mining Equipment for your coal handling plant! Read more
Feb 23, 2018· In surface mining, the ore is accessed directly from the Earth''s surface, and contact is maintained with the surface throughout the operation. Underground or subsurface mining is accomplished with the help of tunnels going into the Earth, and does not occur on the surface.
Advantages of Surface Mining. By David L. Kuck. Science 11 Jan 1974: 28 . Share This Article: Copy. Related Content . Similar Articles in: Citing Articles in: Science. 30 August 2019. Vol 365, Issue 6456. Feature The allure of monkeyflowers. Science and Democracy
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
Jun 09, 2017· List of major aspects below: 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.
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 ...
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)
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 sources.
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 ...
Although there are opponents and proponents of underground mining, the disadvantages include destruction of land, surface subsidence, abandoned shafts, extensive surface spoil heaps, mine explosions, collapses and flooding. That doesn''t incorporate the costly price tag that comes with underground mining.
Apr 02, 2018· Table of Contents What is open pit miningAdvantages and disadvantages of open pit miningTypes of opencast minesDisadvantages of open pit mining What is open pit mining Open pit mines are those mining operations that take place on the surface, unlike the underground mines. This is possible when the reservoir sprouts on the surface or at a [.]
The disadvantages include: The depletion of resources rather than the reuse of existing materials, or use of materials readily available on the surface ( hydropower, solar power instead of ...
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 much more efficient. ... The Disadvantages of Smelter.
The Surface Mining Control and Reclamation Act is a law passed by the Congress in 1977 to regulate the environmental effects coal mining has in the United States. The law created a program to regulate active coal mines and another to rehabilitate abandoned mines. Before 1977, around million coal mines had been abandoned around the country.
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.
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.
Subsurface mining often progresses below the water table, so water must be constantly pumped out of the mine in order to prevent flooding. When a mine is abandoned, the pumping ceases, and water floods the mine. This introduction of water is the initial step in most acid rock drainage situations.
What Are the Advantages and Disadvantages of Surface Mining... The advantages of surface mining include the fact that it is relatively cheaper, ... On the other hand, its disadvantages are that it scars the surface, has limited ... force amplification achieved by using a .
Surface mining is safer and easier than subsurface mining. Surface mining does more damage to the environment than subsurface. Surface mining creates more of a mess then subsurface or open cut mining.
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