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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.
What are the advantages and disadvantages of surface mining. 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 mining.
Surface mining (another name for "strip mining") can severely erode the soil or reduce its . surface mining advantages and disadvantages incam2017. APES Chapter 12 & 8 Flashcards Quizlet. APES Chapter 12 & 8. advantages/disadvantages of coal. surface mining is worse for our environment. even though the soil removed for strip mining can be.
Apr 14, 2019· 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...
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 ...
Explosives are put in holes and blasted. The sizes of the chunks usually matter, considering, the miners want to be able to move the larger pieces with machinery. Advantages include easier, faster work. Most of the time, bigger quantities. Disadvantages are it ends up hurting the areas around the strip mining.
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 Advantages of Open Pit Mining.
What are the advantages of shaft mining Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, What are the advantages of shaft mining, quarry, aggregate, and different kinds of minerals.
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 or quarrying of minerals is easier than mining by underground methods. During quarrying the alluvium and rocks below which the minerals lie, are removed and dumped, in the initial stages, in a place which is not required in future for quarrying, residential or other purposes.
disadvantages of surface mining - wielerschoolaalst ... 2018-6-22 · 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 called strip mining, delivers ...
Nov 18, 2012· What are the Advantages and Disadvantages of .. 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 . »More detailed
What are the advantages and disadvantages of surface mining. 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,...
Nov 09, 2009· Best Answer: Surface mining is much easier than subsurface mining, because it's right there... on the surface, so you can "scrape it up with a shovel" (of course, there's more to it than that, but that's the essense). You don't have to drill down hundreds or thousands of feet, then drill sideways, and so on. Subsurface mining is more dangerous because of this.
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.
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 ...
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 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 25, 2013· What are advantages and disadvantages of subsurface mining. The advantage to a company and country is that gold is a storehouse of value. Mining and refining Read More. What are the advantages and disadvantages of . »More detailed
Apr 12, 2009· 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. This enables the land above the zone of mining to be reclaimed for other uses, after the mining has ceased, so much easier than in the case of an open pit.
The advantages and disadvantages of mining can be determined based on facts uncovered by scientists and by personal opinions. One definite advantage is the fact that it brings in large amount of ...
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
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 larger-scale mining equipment offering higher production rates.
Feb 23, 2018· 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
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