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Underground mining (hard rock) Wikipedia

Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubies.

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Mine vs Quarry What's the difference? | WikiDiff

Mine is a synonym of quarry. As nouns the difference between mine and quarry is that mine is an excavation from which ore or solid minerals are taken, especially one consisting of underground tunnels while quarry is a site for mining stone, limestone or slate or quarry can be an animal which is hunted, notably mammal or or quarry can be a diamondshaped tile or pane, notably of glass or ...

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What is the difference between openpit mining and ...

What is the difference between openpit mining and underground mining? ... Surface mining creates more of a mess then subsurface or open cut mining. ON TH OTHER HAND Subsurface mining is …

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What is the difference between an opencast mine and an ...

Sep 06, 2006· Best Answer: An open cast is when it's a huge open area (with no roof, so you can look in and it lets the sun in), big enough to drive trucks around in. Like if the Grand Canyon was a mine. (Look up Kimberley's big hole for an idea) Open pit, is when it's actually smaller tunnels, and eventhough trucks or rail carts can sometimes go in there, it's always underground (Look up Johannesburg gold ...

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Strip Mining vs Open pit mining : mining

Both are forms of surfacemining. Out here in the western states of America, stripmining is largely associated with coal; openpits more with metal mines of various kinds. I know of a small copper mine in Utah and a phosphate mine in northern Idaho that kind of operates in the area between …

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Why underground mines cost higher compared to surface coal ...

Underground mining is generally more expensive than surface mining. ... A large percent of the value difference between the more expensive higherranked coal in the East and cheaper lowerranked ...

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underground mining vs open pit mining YouTube

Apr 20, 2011· This video will piss off contractors! DO NOT DO THIS! The Barndominium Show E101 Duration: 16:05. Texas Barndominiums 4,074,526 views

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the difference between an opencast mine and underground mining

Feb 08, 2013· difference between a open pit mine and an underground mine …. Openpit Mining, Opencast Mining, Opencut Mining, Strip Mining … People in few of the Englishspeaking countries are not likely to make a difference among an open … »More detailed

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What is the difference between underground mining and ...

What is the difference between underground mining and surface mining? ... Surface mining creates more of a mess then subsurface or open cut mining. ON TH OTHER HAND Subsurface mining is …

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difference between open cast mining shaft mining

open cast mining shaft mining and dredging mining. This page is about difference between open cast mining shaft mining, , shaft mining and dredging mining , Opencast Mine Planner Where Mining Finds Its , Chat Online Prospecting, exploration and mining: Apply for permits , Anyone wanting to undertake activities such as prospecting, exploration and mining must have a permit from .

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(PDF) Effective factors investigation in choice between ...

EFFECTIVE FACTORS IN SELECTING SURFACE OR UNDERGROUND Before beginning a detailed economic analysis of the factors which enter into deciding whether to mine by openpit or underground mining, and what point a change should be made from openpit to underground mining, it is necessary to consider some general factors [2].

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What is the Difference between Strip mining and ...

Dec 03, 2009· Strip mining is a term used for shallow but extensive open pit mining. Things like coal, bauxite, and oil sands are mined this way. If you are in a strip mine you can see the sky. Underground mining is exactly that underground, using tunnels and/or shafts. High value minerals like gold, copper, uranium, and diamonds are mined in underground ...

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underground mining vs open pit mining YouTube

Apr 19, 2011· This video will piss off contractors! DO NOT DO THIS! The Barndominium Show E101 Duration: 16:05. Texas Barndominiums 4,074,526 views

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Open Cut or Underground Mining Which is better? Bend ...

Oct 21, 2017· Both opencut and underground mining is used in modern mining. The approaches are different, and there are advantages to each. Opencut mining. Opencut 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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Underground versus Open Pit Mining Firwin Corp's Blog

Underground versus Open Pit Mining ... 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 costeffective way to get your materials to the surface. ... Some open cut ...

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Underground 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 located, extracting this black gold can require a ...

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Mining Underground mining |

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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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.

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Openpit mining Wikipedia

Openpit, opencast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.. This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mines are used when deposits of commercially useful ore or rocks are found near the surface.

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Underground Mining, Underground Mining Equipment ...

Underground mining is carried out when the rocks, minerals, or precious stones are located 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.

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Differences between underground mining and open pit mining ...

Apr 02, 2018· Differences between open pit and underground mining What is underground mining When the minerals are found in rich veins but in large volumes of sterile rocks, the only way to mine them is the underground mining method.

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What is the difference between an open pit mine, a quarry ...

What is the difference between an open pit mine, a quarry, and an underground mine with shafts 9027511 1. Log in. Join now. 1. Log in. Join now. Secondary School. Geography. 5 points What is the difference between an open pit mine, a quarry, and an underground mine with shafts ...

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NSW Mining Methods NSW Mining

NSW has both opencut and underground mines. Opencut mining. Opencut mining usually happens where mineral deposits are close to the surface. It involves blasting and removing surface layers of soil and rock to reach the mineral deposit. When the mineral seam becomes exposed, it is drilled, fractured and the mineral recovered for processing.

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INTRODUCTION TO MINING

and weapons. By the New Stone Age,humans had progressed to underground mining in systematic openings 2 to 3 ft ( to m) in height and more than 30 ft (9m) in depth (Stoces,1954). However,the oldest known underground mine,a hematite mine at Bomvu Ridge,Swaziland(Gregory,1980),is from the Old Stone Age and believed to be about 40,000 years old.

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What is the difference between strip mining and ...

Oct 10, 2016· Strip mining is done on the surface; underground mining is done below the surface. In strip mining, the ore is extracted from the surface in layers resulting in a deepening artificial valley. This is done when the ore is relatively near the surface. In underground mining, mine shafts are bored or dug from the surface to the underground layers where the ore is located, and ore extraction takes ...

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The Difference Between Underground Mining And Surface Mining

Apr 21, 2014· The Difference Between Underground Mining And Surface Mining 1. The Difference Between Underground Mining And Surface Mining The process of removal of essential mineral ores or geological substances from soil or sand is called mining. These minerals are of great value and are abundantly available in rocks and earth’s 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.

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What is the difference between an open cast mine and an ...

Oct 15, 2017· Openpit, opencast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow. Open pit Reclamation after completion Open cast Reclamation during mining open pit ge...

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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 manmade characteristics that make it unique.

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Stope | mining |

Other articles where Stope is discussed: mining: Underground mining: …of extracting ore are called stopes or rooms. There are two steps involved in stoping. The first is development—that is, preparing the ore blocks for mining—and the second is production, or stoping, itself. Ore development is generally much more expensive on a perton basis than stoping, so that every effort…

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Mining Costs CAPEX vs. OPEX

In general, underground mining is more expensive than open pit mining as with open pit mining the minerals are found near the surface at a maximum of approximately 200400 meters depth in bulk tonnage.. The mining costs are estimated in a mining company’s feasibility study which, when available, can be found on the company’s website (often hidden between the news releases).

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The Actual Difference Between Surface and Underground Mining

Feb 23, 2018· The Actual Difference Between Surface and Underground Mining There are two ways to extract a mineral by digging it up, or accessing it by tunnels. This pretty much sums up the comparison of surface vs. underground mining.

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What is the difference between opencast mining and ...

Oct 02, 2016· Quite similar actually, in layman terms. A quarry is an open cast mines that traditionally serves the purpose of mining in rocks, sand, marble, gravel etc. An open cast mine is a generic term for the opencut type of mine employed to extract almos...

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