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Open-pit mining is a type of mineral or rock extraction that does not necessitate tunnelling into the earth. When a desired mineral or rock is near the surface, companies typically opt for open-pit mining due to its lower costs and increased efficiency. Open-pits are typically dug in tiers and with ...
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.
May 20, 2010· Best Answer: Open-pit mining, also called strip-mining: Pros -- It's easy and cheap for the mining companies, which does translate into a lower cost to you, the consumer Con -- It's devastating to the environment, not just in the physical removal of what is sometimes a miles-wide, thousand-foot-deep hole in ...
Feb 25, 2015· Pros and Cons of Strip Mining. Feb 25, 2015. 0. 28217. Share on Facebook. Tweet on Twitter. ... The following is a closer examination of the pros and cons. The Pros of Strip Mining. 1. High Recovery Rate Other forms of mining do not guarantee the same rate of return as strip mining does. Materials are recovered at a rate of up to 90 percent ...
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 ...
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.
What are the cons for open pit mining? ... some pros are: easier extraction, costs less, the mechanichal advantage, the safer working conditions, and the cosumer benifits. some cons are the ...
Mining Industry in the Philippines has been a controversial issue once again, as the Department of Environment and Natural Resources (DENR) secretary Gina Lopez advocates the total ban of mining for responsible and sustainable mining in the country. Mining .
disadvantages of open cast mining - emozionisiciliane. open cast mining advantages and disadvantages - ugcnetnic. Open Cast Mining Disadvantages Open Pit Mining Pros Cons eHow Open Pit Mining Pros Cons. 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.
Dec 05, 2017· The Pros And Cons To Copper Mountain Mining Corp. Dec. 5, 2017 2:13 PM ET | ... 2017, the open-pit mine has a useful life of 16 years, which is .
Feb 13, 2016· 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 ...
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...
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.
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.
Sep 06, 2016· Underground Mining is a method of Mining, where the mineral is extracted without removing the top soil and rocks. In this way we do not disturb the surface feature such as forest, agriculture land, rivers and residential areas. The major disadvant...
Sep 24, 2015· 5 Chief Pros and Cons of Strip Mining Sep 24, 2015 Aug 29, 2015 by Editor in Chief Surface mining refers to a category of mining where soil .
Open pit mining is similar to coal mining operations – large shovels scoop the oil sand into trucks that then take it to crushers where the large clumps of earth are broken down. This mixture is then mixed with water to form a slurry that is transported to a plant, where the bitumen is separated from the other components in a froth process.
Feb 23, 2018· 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. But is it that simple? For a better understanding, ScienceStruck gives more differences between these two methods.
Nov 29, 2017· Mining thesis There are several pros and cons of mining including :- PROS Mining helps us to extract important and useful metallic ores, which we can use in our daily life for our own comfort to make useful commodities . CONS Because of mining we tend to cause soil erosion as after mining extraction is done, we don't re-assemble the soil particles again as due to intense mining .
Apr 02, 2018· Advantages and disadvantages of open pit mining. Open pit mining is profitable when the deposit is not very deep or when the terrain is sandy or delicate, so that underground mining is not possible. Labor costs are lower, both in excavation and transportation, and allow the use of .
Sep 05, 2016· Underground Mining is a method of Mining, where the mineral is extracted without removing the top soil and rocks. In this way we do not disturb the surface feature such as forest, agriculture land, rivers and residential areas. The major disadvant...
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 ...
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. Strip Mining Pros .
Open-pit mining. the recovery of materials from an open pit in the ground. ... Deep Surface Mining Pros ... 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 gases.
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