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Jan 14, 2020· 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.
In the previous topic, we saw which are some of the advantages that can make the surface open pit mining methods superior method compared to the underground mining. However, underground mining has its own advantages. And finally, the ultimate decision to mine from the surface or from underground comes down to the specific characteristics of the deposit. In particular, mineral deposits can ...
What is the advantages and disadvantages of surface tension? Here are 14 best answers to 'What is the advantages and disadvantages of surface tension?' - the most relevant comments and solutions are submitted by users of Wiki.answers, ChaCha and Yahoo! ... Advantages: Surface mining is safer Surface mining is cheaper, Surface mining is ...
Mining is an activity to take out precious natural resource to satisfy humans unending demand. This activity is carried out extensively and has caused major imbalance in our ecology. There are several other industries dependent on mining, hence an...
Dec 08, 2018· Spread the loveMining involves the extraction of valuable minerals from the earth surface. Mining can either be surface mining or sub-surface (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 [.]
The main methods of underground mining are: Room and Pillar Mining: Removing ore, while leaving behind some for roof support. Longwall Mining: An edge of the ore is sliced off in a to-and-fro pattern. Cut and Fill Mining: Ore removed from the tunnel, which is then filled with waste. Advantages and Disadvantages
Jan 17, 2020· Know More – Advantages and Disadvantages of Breastfeeding. HOW IS COAL OBTAINED? Underground formations called "seams" or "beds" are places where it is found. A coal bed can be as long as 1500 kilometres, and nearly 90 feet thick. It is extracted by mining, which can be surface or underground.
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.
2. Surface Mining Machinery Glossary Bibliography Biographical Sketches Summary This chapter deals with surface mining. Section 1 presents an overview of surface mining methods and practices as commonly employe d in modern surface mining operations. The description includes a comparison of the advantages and disadvantages of surface and
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 MiningGlobal, 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.
Feb 13, 2016· What are the advantages and disadvantages of underground mining? Environmental Science Land and Water Use Mining. 1 Answer Don Mac Feb 13, 2016 Economically a better option in some geological settings, but human safety a major issue. Explanation: Shallow mineral or coal deposits can be economically mined by open-pit or strip mines. ...
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 and rock overlying the mineral deposit are removed. There are several types of surface mining, and strip mining counts as one of them.
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... Chat Now. Socio-Economic and Environmental Impacts of Surface Mining in ...
What are the advantages and disadvantages of surface. The advantages of surface mining are: It is cheaper to extract the ore or metal ... The advantage is that it supplies raw materials (metals, coal) thatare needed to...
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.
Mar 30, 2011· 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 .
What are the advantages and disadvantages of surface mining. It is cheaper to extract the ore or metal than underground mining; Less chance of workers dying . What disadvantages or advantages are there for mining sand? »More detailed
Aug 22, 2009· 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 .
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 ...
Jul 26, 2015· 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 .
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 .
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 ...
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.
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
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