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Mining techniques can be divided into two common excavation types: surface mining and sub-surface (underground) mining. Today, surface mining is much more common, and produces, for example, 85% of minerals (excluding petroleum and natural gas) in the United States, including 98% of metallic ores.
a) The difference between surface and subsurface mining is that surface mining is on the Earth's surface and moves the un-needed materials out of the way in order to obtain the desired minerals and energy. Subsurface mining doesn't remove the un-needed soils or rock out of the way instead it uses big machines to dig deep underground into ...
strip mining and subsurface mining environmental impact -, What is the difference between surface and subsurface mining 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
Mar 29, 2012· What is the difference between underground mining and surface mining ... Surface mining does more damage to the environment than subsurface. Surface mining creates more of a mess then subsurface ...
Nov 24, 2014· What is the difference between subsurface mining and strip mining? ... Used to extract resources near the surface. Overburden is removed from mining site. Destroys large areas of wildlife habitat. Used to extract coal. Subsurface Mining: Safety requires good ventilation systems. Used to extract resources that are deep underground. One of the ...
Distinguish between surface mining and subsurface mining. SURFACE MINING is the extraction of mineral and energy resources near Earth's surface by first removing the soil, subsoil, and overlying rock strata. In STRIP MINING, a type of surface mining, a trench is dug to extract the minerals. ... Surface mining disturbs the land more than ...
Strip Mining. Strip mining is a kind of surface mining. The ore is very near to the surface of the land but has one or more layers of rock and filth on top of it. To mine the ore, these layers have to be removed. The steps in strip mining are similar to open-pit mining.
Sep 19, 2015· Surface mining does more damage to the environment than subsurface. Surface mining creates more of a mess then subsurface or open cut mining. ... The difference between surface run-off and ...
Apr 07, 2017· Strip mining and subsurface mining Strip mining (or surface mining) is performed when surface soil and rock are stripped off to reach the mineral of concern. When such operations are done, surface water bodies (lakes, streams, etc) gets acidity. ... What are the differences between open pit mining, underground mining, and strip mining?
Apr 15, 2018· Different methods of surface and subsurface mining Алексей Березин ...
Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed, in contrast to underground mining, in which the overlying rock is left in place, and the mineral is removed through shafts or tunnels.
Jan 20, 2014· See what Vermeer surface mining equipment can do for you. - Patented tilting capability - Vertical wall capability - Mine in layers - Selective piling - Sele...
Mar 25, 2012· The difference between surface run-off and subsurface run -off is that surface run-off is that when it is precipitation the water goes on the ground like a river and lake. ... Surface mining .
Strip mining is sensible when the ore body is near the surface. The practice includes some of the largest machines on earth, removing long strips of overlying soil and rock and then removing coal deposits. Open-pit mining utilizes blasting and mineral removing, .
There is a lots of difference between surface mining and subsurface mining,here i am starting with the basic definition below:- SURFACE MINING-When the ore or mineral is present on near surface or shallow depth then excavation is carried out on th...
Sep 19, 2010· What is the difference between surface and subsurface mining ... Surface mining does more damage to the environment than subsurface. Surface mining creates more of a mess then subsurface or open ...
Jun 13, 2019· Geometry. Strip mines form a 'strip', or lateral cut along the terrain, like a big ditch or trench, from which the material of interest (typically, in strip mines, coal) is removed sequentially along the trench, and then the former covering materi...
Oct 05, 2018· 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...
Distinguish between surface and subsurface mining, between open-pit and strip mines, between shaft and slope mines. Surface mining is the extraction of mineral and energy resources near Earth's surface by first removing the soil, subsoil, and over-lying rock strata. Subsurface mining is the extraction of mineral and energy resources from deep ...
Dec 03, 2009· "Strip mining" is the practice of mining a seam of mineral by first removing a long strip of overlying soil and rock (the overburden). It is most commonly used to mine coal or tar sand. Strip mining is only practical when the ore body to be excavated is relatively near the surface.
Apr 30, 2017· -- Created using PowToon -- Free sign up at -- Create animated videos and animated presentations for free. PowToon is a free ...
The environmental damage caused by surface mining is related to the large amount of surface material that humans remove during mining operations. The environmental effects of surface mining include Habitat destruction Soil erosion Air pollution from dust particulates Pollution (especially from sediments) All surface mining techniques negatively affect the environment, though some methods are ...
What is a critical difference between surface and subsurface mining? A) Surface mining is more expensive than subsurface mining B) Surface mining is above ground; subsurface mining is below ground C) Surface mining causes less environmental damage than subsurface mining D) Subsurface mining creates acid mine drainage; surface mining does not
Ores Mining Industry Pro: Subsurface Mining is a faster method of mining than 60% of mining in the US; it's cheaper. Con: Dangerous; explosions/fires, mine collapses, fumes. Recycling Processing Subsurface Mining Subsurface Mining Shelby Vest Ores are found deep into the Earth's
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