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difference between open pit mining and underground mining

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Differences between underground mining and open pit mining

Differences between open pit and underground mining. -Higher productivity. Greater concentration of operations and easier management of human and material resources. High mechanization, there are no limitations for the size of the machines. -Flexibility to respond to increases in demand. Higher production per mine.

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The Mining Life: Open Pit vs. Underground MICROMINE

Aug 22, 2017· The differences between the many kinds of mines, especially open pit mines and underground mines, are many, and miners tend to prefer one over the other. Every mining site has its natural and man-made characteristics that make it unique.

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Difference Between Open Cast Mining And Underground Mining

Aug 03, 2019· Differences between open pit and underground mining Main Difference. In surface mining, the ore is accessed directly from the Earth's surface, and contact is maintained with the surface throughout the operation. Underground or subsurface mining is accomplished with the help of tunnels going into the Earth, and does not occur on the surface

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Difference Between Open Cast Mining And Underground Mining

Differences between open pit and underground mining Main Difference. In surface mining, the ore is accessed directly from the Earth's surface, and contact is maintained with the surface throughout the operation. Underground or subsurface mining is accomplished with the help of tunnels going into the Earth, and does not occur on the surface

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What are the differences between open pit mining

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. Acid mine drainage occurs when water molecules infiltrates the spoil banks. The water reacts with sulfide minerals to produce sulfuric acid.

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Opencut Mining or Underground Mining Which Is Better?

Oct 21, 2017· Both open-cut and underground mining is used in modern mining. The approaches are different, and there are advantages to each. Open-cut mining. Opencut mining gets its name because that’s exactly what this type of mining looks like, a big open pit. This type of mining allows for the extraction of minerals that aren’t very far under the surface.

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what is the difference between an open pit mine a quarry

Nov 24, 2017· Open pit mining. Quarry. Underground mining with shaft. Done for those minerals which lie close to the surface of the earth. Used for mining minerals at shallow depths. Minerals which lie at great depths below the surface of the earth. Used where commercially useful minerals are

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What is the difference between an open cast mine and an

To me as a mining engineer with many years experience in both types of mining, open cast mining means that the deposit is mined in a series of strips with the overburden from each successive strip moved or “cast” into the preceding strip. The meth...

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What are the different types of mining and how do they differ?

Mar 15, 2017· Open-Pit. As the name suggests, open pit mining involves mining minerals or ore that can be found near the surface layer of the site. That being said, some quarries can be over 1000 meters deep. This form of mining doesn’t require tunnelling into the earth and is a simple method of mining that yields high production rates.

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What are the differences between open pit mining

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. Acid mine drainage occurs when water molecules infiltrates the spoil banks. The water reacts with sulfide minerals to produce sulfuric acid.

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Underground versus Open Pit Mining Firwin Corp's Blog

Feb 23, 2012· Unlike open pit, underground mining requires that you take into account a wide variety of added requirements. These include complex ventilation systems, area and local ground support, and of course finding a consistent, safe, and cost-effective way to get your materials to the surface.

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Open Cut and Underground Mining iMINCO

Open Cut Mining. There are many differences between open cut and underground mining. When minerals and deposits are found close to the surface and spread across a large distance, the best way to mine is to use the open cut mining method. In this process, the area is cleared of all topsoil and vegetation, this material is stockpiled and used

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What is the difference between opencast & underground mining?

Open cast mining is the removal of rocks or sediments that contains minerals, with economically important elements. The advantages of open cast mining: • More cost effective, than shaft mining. • The working conditions are safe for miners, there is no risk of toxic gases or cave ins. • Trucks and mining machinery can move around freely.

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The Actual Difference Between Surface and Underground Mining

Surface mining can be accomplished by the following main methods: Open-pit Mining: Removing ore to leave a crater. Quarrying: An open-pit mine for construction materials. Strip Mining: Ore is removed in parallel strips. Mountaintop Removal: Top of a mountain is blasted to remove deep ore. Dredging: Ore is removed from a river bottom. The main methods of underground mining are:

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What are the different types of mining and how do they differ?

Mar 15, 2017· Open-Pit. As the name suggests, open pit mining involves mining minerals or ore that can be found near the surface layer of the site. That being said, some quarries can be over 1000 meters deep. This form of mining doesn’t require tunnelling into the earth and is a simple method of mining that yields high production rates.

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Open-Pit Mining Definition Anglo American

Open-pit mining, also known as opencast mining, is a surface mining technique that extracts minerals from an open pit in the ground. Open-pit mining is the most common method used throughout the world for mineral mining and does not require extractive methods or tunnels. This surface mining technique is used when mineral or ore deposits are

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Open-pit mining Wikipedia

Open-pit mining, also known as mega-mining, open-cast or open cut mining, is a surface mining technique of extracting rock or minerals from the earth by their removal from an open-air pit, sometimes known as a borrow.. This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining.Open-pit mines are used when deposits of commercially useful

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Surface mining strip, open pit, mountaintop removal

Surface mining is a form of mining in which the soil and the rock covering the mineral deposits are removed. It is the other way of underground mining, in which the overlying rock is left behind, and the required mineral deposits are removed through shafts or tunnels.. Surface mining is basically employed when deposits of commercially viable minerals or rock are found closer to the surface

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Mining Terms kau

Open Pit Mine (metals) Bench: is a ledge which forms a single level of operation where ore and waste are excavated. Berm: is a horizontal shelf or ledge built in to a sloping wall of an open pit or quarry for protection under level.

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Difference Between Open Cast Mining And Shaft Mining

May 13, 2019· The actual difference between surface and. Open-pit mining removing ore to leave a crater. quarrying an open-pit mine for construction materials. strip mining ore is removed in parallel strips. mountaintop removal top of a mountain is blasted to remove deep ore. dredging ore is removed from a river bottom. the main methods of underground mining are room and pillar mining removing

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Mining versus in-situ: A look at how energy companies are

Jul 18, 2016· There are only 2 paths to extracting bitumen from the oil sands: by injecting steam deep underground and pumping the oil to surface (thermal in-situ), or by mining the ore and physically separating the bitumen from the sand in a processing plant. Suncor Energy has been mining the oil s

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difference between open pit mining and shaft mining BINQ

Aug 18, 2008· what is the difference between an open pit mine a quarry and an . Open-cast mining, shaft mining.quarrying.. can any one give Aug 18, 2008 · and later by underground methods. The Big hole »More detailed

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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

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