What are some pros and cons of mining? Socratic

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.

Business offer

Find out some pros and cons of underground mining in the

Sep 08, 2015 · An underground aggregate mine is a different world than a surface operation, presenting unique challenges that surface mining does not. It can be a costly undertaking, requiring special engineering of tunnels, rooms, and pillars that are dependent on the geology of

Business offer

Mining Underground mining Britannica

Mining Mining Underground mining: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered. Counting against underground mining are the costs, which, for each ton of material mined, are much higher underground than on

Business offer

Specific and NonSpecific Hazards in Underground Mines

The Gleision Colliery mining accident took place on Sept. 15, 2011, when seven miners intentionally detonated an explosive. Following the blast, the mine began filling with water. Three of the miners managed to escape. But rescue workers were not able to save the other four, who were trapped and died underground.

Business offer

The Advantages of Open Pit Mining Sciencing

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

Business offer

What are the advantages and disadvantages Socratic

Feb 13, 2016 · So, in these cases underground mining is more cost effective. The downside is that human health and safety are at greater risk from mine caveins, flooding from groundwater or sea water, methane explosions in coal mines, or failure of air ventilation equipment.

Business offer

Underground Mining, Underground Mining Equipment

Underground mining is carried out when the rocks, minerals, or precious stones are loed at a distance far beneath the ground to be extracted with surface mining. To facilitate the minerals to be taken out of the mine, the miners construct underground rooms to work in.

Business offer

Coal Mining Methods emfi.mines.edu

Underground Mining Longwall & Room and Pillar Mining Longwall mining and roomandpillar mining are the two basic methods of mining coal underground, with roomandpillar being the traditional method in the United States. Both has disadvantages. Development of the entries .

Business offer

How Underground Mining Works Science HowStuffWorks

The environmental toll of underground mining is significant. It includes air pollution, changes in waterflow patterns, chemical and gas seepage into water supplies and soil, inaccessible fires in abandoned mines, and dramatic changes in land composition that can make the area unusable after the mining operation is done [source: Saxena]. Then there is the human toll.

Business offer

5 Chief Pros and Cons of Strip Mining – ConnectUS

Sep 24, 2015 ·Ņ Chief Pros and Cons of Strip Mining. Sep 24, 2015 Aug 29, 2015 by Crystal Ayres. Surface mining refers to a egory 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. It is much more efficient compared to underground mining

Business offer

disadvantages of shaft mining BINQ Mining

Feb 07, 2013 · What are the disadvantages of shaft mining – The Q&A wiki. What is some mining equipment for shaft mining?Shaft mining is the earnest form of underground mining.Underground mining is selected Read More. What are the »More detailed

Business offer

disadvantages of mining coal benitomedia

Fossil Fuel » The Disadvantages of Coal. Burning coal emits harmful waste such as carbon dioxide, sulphur dioxide, adds to the expense of creating fuel via coal Coal mining can scar the landscape

Business offer

The Actual Difference Between Surface and Underground Mining

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 toandfro pattern. Cut and Fill Mining: Ore removed from the tunnel, which is then filled with waste. Advantages and Disadvantages

Business offer

What are the Advantages and Disadvantages of 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.

Business offer

What are the Advantages and Disadvantages of 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.

Business offer

What Are the Advantages and Disadvantages of Mining

Mining gives people a portion of the resources needed for modern civilization, but it can also lead to environmental harm. While some are in favor of mining due to the resources it produces and the jobs it provides in the U.S., some are opposed to mining based on opposition to destructive mining practices and environmental concerns.

Business offer

disadvantages of underground mining

Openpit mining is much safer than shaft mining. In underground mining, the threat of a cavein or release of toxic gas is a constant concern. When shaft mining was the most common method of ore extraction, thousands died in caveins, gas events and accidents involving equipment. In 1907 alone, more than 3,200 deaths related to mining occurred.

Business offer

Environmental Risks of Mining

Underground Mining. Underground mining has the potential for tunnel collapses and land subsidence (Betournay, 2011). It involves largescale movements of waste rock and vegetation, similar to open pit mining. Additionally, like most traditional forms of mining, underground mining can release toxic compounds into the air and water.

Business offer

Earth Science: Underground Coal Mining.

Mar 14, 2013 · Varieties of continuous mining machines have been in use since the 1940''s. Advantages are it produces the lowest cost per ton a customer. Continuous mining accounts for about 45% of the underground mining. Disadvantages are not a lot of roof support. It''s slowly become one of the more efficient way to mine. 5: Longwall Mining.

Business offer

LECTURE 2 OPENCAST AND UNDERGROUND MINING

Nov 21, 2018 · In this video we talk about types of mining method and advantages and disadvantages of them. Do subscribe my channel if you think we are doing a great job. Like, comment and share our video as

Business offer

Earth Science: Underground Coal Mining.

Mar 14, 2013 · Varieties of continuous mining machines have been in use since the 1940''s. Advantages are it produces the lowest cost per ton a customer. Continuous mining accounts for about 45% of the underground mining. Disadvantages are not a lot of roof support. It''s slowly become one of the more efficient way to mine. 5: Longwall Mining.

Business offer

Environmental Science Land Use Review Flashcards Quizlet

mining method mining underground coal deposits, in which shafts are dug deeply into the ground and networks of tunnels are dug to follow coal seams. Minerals A naturally occurring solid element or inorganic compound with a crystal structure, a specific chemical composition, and

Business offer

What are disadvantages of underground mining? Yahoo Answers

Mar 18, 2008 · disadvantages of underground mining: The problems then, that seem most necessary to address in order to make oil shale mining in the United

Business offer

disadvantages of underground mining

Openpit mining is much safer than shaft mining. In underground mining, the threat of a cavein or release of toxic gas is a constant concern. When shaft mining was the most common method of ore extraction, thousands died in caveins, gas events and accidents involving equipment. In 1907 alone, more than 3,200 deaths related to mining occurred.

Business offer

Underground Coal Gasifiion netl.doe.gov

Underground Coal Gasifiion (UCG) takes advantage of the same chemical reactions of coal to produce product gases, as those occurring in conventional gasifier reactors. The main difference is that in UCG the underground coal seam itself becomes the reactor, so that the gasifiion of the coal takes place underground instead of in a manufactured gasifiion vessel at the surface.1 Obviously

Business offer

Opencast Mining (Quarrying): Methods, Advantages

1. What is Opencast Mining? : 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.

Business offer

Underground Mining, Underground Mining Equipment

Underground mining is carried out when the rocks, minerals, or precious stones are loed at a distance far beneath the ground to be extracted with surface mining. To facilitate the minerals to be taken out of the mine, the miners construct underground rooms to work in.

Business offer

What are disadvantages of underground mining? Yahoo Answers

Mar 18, 2008 · disadvantages of underground mining: The problems then, that seem most necessary to address in order to make oil shale mining in the United

Business offer

advantages and disadvantages of deep mining BINQ Mining

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

Business offer

Types of Underground Mining Method Comparison

In any discussion of Methods of Underground Mining Comparison, one is repeatedly confronted with the difficulty of dealing with so many variable conditions. It is not an exact science and in the choice of a method each varying factor has a certain weight, which, in many cases, experience alone can determine.

Business offer

INTRODUCTION TO MINING Ciência Viva

INTRODUCTION TO MINING 1.1 MINING''S CONTRIBUTION TO CIVILIZATION Mining may well have been the second of humankind''s earliest endeavors— granted that agriculture was the first. The two industries ranked together as the primary or basic industries of early civilization. Little has changed in the

Business offer

The Advantages of Open Pit Mining Sciencing

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

Business offer

Specific and NonSpecific Hazards in Underground Mines

The Gleision Colliery mining accident took place on Sept. 15, 2011, when seven miners intentionally detonated an explosive. Following the blast, the mine began filling with water. Three of the miners managed to escape. But rescue workers were not able to save the other four, who were trapped and died underground.

Business offer

advantages and disadvantage of mining res59

Advantages and Disadvantages of Data Mining ZenTut. Data mining brings a lot of benefits to businesses, society, governments as well as individual. However privacy, security and misuse of information are the big Chat online

Business offer

Environmental impact of mining Wikipedia

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. These processes also have an impact on the atmosphere from the emissions of carbon which have

Business offer

What are the Advantages and Disadvantages of 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.

Business offer

Find out some pros and cons of underground mining in the

Sep 08, 2015 · An underground aggregate mine is a different world than a surface operation, presenting unique challenges that surface mining does not. It can be a costly undertaking, requiring special engineering of tunnels, rooms, and pillars that are dependent on the geology of

Business offer

What are the disadvantages of underground Answers

The largest disadvantages of underground mining (by comparison to surface mining) are ground stability and cost issues. Through some methods, recovery can also be an issue, as fo

Business offer

Open Pit Mining Pros & Cons Sciencing

Openpit mining is much safer than shaft mining. In underground mining, the threat of a cavein or release of toxic gas is a constant concern. When shaft mining was the most common method of ore extraction, thousands died in caveins, gas events and accidents involving equipment. In 1907 alone, more than 3,200 deaths related to mining occurred.

Business offer

Hoist (mining) Wikipedia

In underground mining a hoist or winder is used to raise and lower conveyances within the mine shaft.Modern hoists are normally powered using electric motors, historically with direct current drives utilizing Ward Leonard control machines and later solidstate converters (), however modern large hoists use alternating current drives that are variable frequency controlled.

Business offer

Longwall mining SourceWatch

Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 12 m thick). The longwall "panel" (the block of coal that is being mined) is typically 34 km long and 250400 m wide. Longwall mining produced 176 million tons of coal in 2007, about 15 percent of total U.S. production.

Business offer

1.1 PHASES OF A MINING PROJECT Home ELAW

Although underground mining is a less environmentallydestructive means of gaining access to an ore deposit, it is often more costly and entails greater safety risks than strip mining, including openpit mining. While most largescale mining projects involve openpit mining, many large underground mines are in operation around the world. 1.1.3

Business offer

Surface Mining Sustainable Development & Environmental

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.

Business offer

Underground v.s. Surface Coal Mines: Is Deep Drilling

Although both methods have their benefits and drawbacks, underground drilling may just be the cost worthy selection for you Mining for coal depends on many variables. The geology and environmental aspects play a vital role, but depth and quality of the seam is what brings home the bacon. Depending on where the seam (profitable bed of coal) is loed, extracting this black gold can require a

Business offer

What are the advantages and disadvantages of mining? Quora

Advantages 1. It provides employment opportunities to communities. 2. It provides product useful to the societies such as steel and cement made from coal in coal mining. 3. It facilitate the development of social service such as hospital,water 4

Business offer

Surface Mining Methods and Equipment eolss

with respect to the advantages and disadvantages of various mining methods. Figures 1a and 1b show histograms of production sizes for metal mines operated during between 1988 and 1997 in the western world. Open pit mining is the most common method for largescale operations, whereas underground mining is generally the most

Business offer