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difference between open pit mine quarry underground mine

What is the difference between an open pit mine a quarry and an According to the mines Act 1952 "Open cast working" means a quarry that is to say an excavation where any operation for the purpose of searching for or obtaining minerals has been or is being carried on not being a shaft or an excavation which extends below superjacent ground get price

The Advantages of Open Pit Mining

Mar 13 2018Open 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 is the preferred get price

Shaft or Decline? An Economic Comparison

Shaft or Decline an Economic Comparison AMC Reference Library–- 2 simulated haulage and hoisting costs for mining operations commencing at relatively shallow levels and progressing to deeper levels during the mine's life The difference between the two ore transport systems is illustrated in Figure 1 get price

Understanding the difference between underground and

OPEN CUT VS UNDERGROUND Understanding the difference between underground and open cut mining The Maxwell Underground Project is a proposal to develop an underground coal mine Underground mining is very different from open-cut mining • Open cut mining involves removing layers of soil and rock toget price

The Mining Life Open Pit vs Underground

Aug 22 2017The 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 get price

Environmental Risks of Mining

Underground Mining Underground mining has the potential for tunnel collapses and land subsidence (Betournay 2011) It involves large-scale 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 get price

Underground Mining Transportation Haulage Systems

Another underground conveyor belt that was also used in connection with open-pit mining operations was installed at the New Idria mine This is probably one of the earliest installations in an underground metal mine It was employed principally to convey waste from the hanging wall of the ore deposit to a get price

difference between and open cut mine and a underground mine

Surface mining the free encyclopedia Surface mining including strip mining open-pit mining and mountaintop removal It is the opposite of underground mining in which the overlying rock is left in place referred to as strip mining the two methods are different (see above) the center section of the machine between the Powerhead and the cutterhead get price

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 get price

Open Pit Mining Techniques

Open-pit Mining Open-pit mining also known as opencast mining open-cut mining and strip mining means a process of digging out rock or minerals from the earth by their elimination from an open pit or borrow The word is used to distinguish this type of mining from get price

Difference Between Open Pit Mining And Shaft Mining

Difference between open pit mine quarry and an Oct 06 2015 There are two different methods for extracting minerals viz to dig into the earth to extract the mineral bearing ore (which is called underground mining and involves digging shafts) or to remove the earth above the mineral bearing ore (or overburden) and extract the ore from the open pit get price

What is the difference between opencast underground mining?

What is the difference between opencast underground mining? Mining is something quite extraordinary When we think of mining we think dusty dark unflattering settings In contraire it is quite in fact the opposite So what is open cast mining?get price

Difference Between And Open Cut Mine And A Underground Mine

Difference between and open cut mine and a underground mine Difference between open pit mining quarry underground mine key differences between open pit mining Open cast mining youtube this is a very basic idea of how the open pit mining process takes place This was a very new mine when the footage was shot and using very small machines get price

Mine Planning and Design

underground and in situ extraction operations and processing facilities Mine Planning Tetra Tech's experienced professional engineers and mining geologists provide insight on key aspects of preliminary mine planning including the critical components of water energy and access requirements as well as mining method Our personnel support theget price

What is the difference between an open pit mine a quarry

Oct 09 2018According to the mines Act 1952 "Open cast working" means a quarry that is to say an excavation where any operation for the purpose of searching for or obtaining minerals has been or is being carried on not being a shaft or an excavation whichget price

Definition of deep mining

The exploitation of coal or mineral deposits by underground mining methods 'Deep' is often interpreted as meaning 5 000 ft (1 5 km) or more where stresses are high enough to cause sloughing of development openings not to mention walls and faces in stopes However tectonic horizontal stresses are greater than gravitational force in many areas get price

difference between and open cut mine and a underground mine

The many differences between open cut and underground mining are explained in an easy to understand way giving you a better understanding Difference between open cast mining shaft mining YouTube Sep 24 2013 Open Pit Mining vs Underground Mining posted in Gold Prospecting Home Stone Crusher difference between open pit mining and Coal get price

Surface Mining Methods and Equipment

Figure 1c Processed ore by minerals for open pit and underground metal mines for the period 1988 to 1997 in the western world Larger mines offer higher productivity and lower operating costs than smaller mines Furthermore open pit mines typical of larger operations have much higher normalget price

Basics of openpit mining

Mar 13 2012What is Opencast Mining• Opencast mining is also known as Open pit mining Open cut Mining Surface or Strip Mining • The coal upto economical depth will be excavated by OC Method • The current operating depth of OC mines in SCCL is about 200m and SCCL proposed to operate OC mines upto a depth of 420m Ex MNG OC II Extension Project •get price

Difference Between Underground And Open Cast Mining

Difference between open pit mining quarry underground mine What is the difference between opencast mining and shaft mining in open cast miniing the earth surface is simly dug out to take minerals which are shallow shaft What were shaft mines What is the difference between underground mining and surface mining A quarry is the name for a get price

Blast Hole Drilling The Basic Process

Blast holes are thus a fundamental step in the exploratory mining process and can be employed in both surface mining operations and underground mining operations to varying degrees with varying effects or results Blast hole drilling can also be employed in quarrying endeavors get price

Ore Grade Reconciliation Techniques A Review

The essence of ore grade reconciliation is to identify analyse and manage variance between planned and actual results in a way that highlights opportunities A consistent record of poor reconciliation is an indication that this variance has not been adequately managed This would inevitably result in significant economic impact on mining companies Unfortunately the issue of poor get price

what is the difference between open cast and underground

difference between open cast mining and shaft mining manufacturer in Shanghai China difference between open cast mining and shaft mining is manufactured from Shanghai It is the main mineral processing solutions TON stone crushing machine project-difference between open cast mining and shaft mining Contact Supplierget price

Determining the open pit to underground transition A new

underground method For any such block the value used for pit optimisation must be the difference between its open pit value and its underground value The assumption underpinning this is that for a block that can be mined by either method if it is not mined by open pit method it will be mined by underground method get price

The Difference Between Underground Mining And Surface Mining

Apr 21 2014The 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 get price

What Are the Different Ways That Minerals Can Be Mined

What Are the Different Ways That Minerals Can Be Mined? Exhausted open-pit mines often become landfill sites for waste disposal Underground mining starts by following a surface outcrop of mineral ore as it slopes into the ground The ore could be just 20 feet below the surface Shaft mines are the deepest underground mines get price

Difference Between And Open Cut Mine And A Underground Mine

Difference between and open cut mine and a underground mine Difference between open pit mining quarry underground mine key differences between open pit mining Open cast mining youtube this is a very basic idea of how the open pit mining process takes place This was a very new mine when the footage was shot and using very small machines get price

Difference Between Open Cast Mine And Underground Mining

Difference Between An Open Pit Mine A Quarry And An 2013-3-20difference between open cast mining shaft mining gold ore difference between open pit mine quarry underground mine with shafts what is the difference between open-cast mining and quarrying plzzz tell it as early more detailed get price

i) Mechanical excavation methods such as Open

mining Based on the location of the deposit the surface datum the mines can be classified as open pit opencast quarrying or underground An open pit mine is the mine to exploit the deposits which are outcropping to the surface or those which are confined to a shallow depth and the wasteget price

Mine dust and you

People living near mine sites often ask about the effects of dust emissions in the air as a result of mining activities This fact sheet has been prepared to explain the type of dust that is generated from mine sites and the potential risks from mine dust to health What is particulate matter?get price