differences between open cut mining and underground mining

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Underground versus Open Pit Mining

Feb 23 2012 0183 32 There are several different ways to mine underground You can build spiral tunnels that circle the deposit sink vertical shafts adjacent to the ore or create adits which are horizontal excavations into the side of a hill or mountain Unlike open pit underground mining requires that you take into account a wide variety of added requirements...

Underground hard

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 leadIt also involves the same techniques used to excavate ores of gems such as diamonds and rubi Soft-rock mining refers to the excavation of softer minerals such as salt...

Digging deeper Mining methods explained Anglo American

The underground mining methods we use include room and pillar narrow vein stoping and large-scale mechanised mining Room and pillar mining is a style of mining where tunnels are driven in a chess board pattern with massive square pillars between them which are gradually cut...

What Does the Grade of a Gold Mine Refer To

Feb 07 2020 0183 32 The World Gold Council defines a high-quality underground mine as having a gold ore density between 8 and 10 g/t while a low-quality underground mine has a gold ore density of 1 to 4 g/t...

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

Mar 15 2017 0183 32 Underground Mining Underground or Sub-surface mining involves the digging of a network of shafts and tunnels into the earth to reach and extract the deposit of ore or mineral beneath the earth In comparison to other methods underground mines impact less on the environment and are much more harmful to those working within them...

A new underground auger mining system

open cut to facilitate the commissioning and training associated with a prototype mining machine A total of 30 holes was augered in the box cut before the machine moved underground The prototype BUA 600 first achieved the target penetration depth of 80 m in its third hole The prototype BUA 600 is a new underground mining system which has...

What is the difference between open

Answer 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 open-cut type of mine employed to extract almost all types of minerals and coal But...

Difference Between Open Cut And Underground Mining

Surface mining - Wikipedia 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...

Rehabilitation Cost Estimation Tool Handbook

The RCE Tool separates mining operations into Open Cut Underground and Open Cut and Underground The relevant type of mining operation should be selected whether the material being mined is metalliferous minerals coal aggregate sand or other For further clarification open cut and underground mining descriptions are located in Appendix 1...

Transverse longhole stoping

Most open stope mines including mines which practice transverse longhole stoping sequence their stopes based on the high stress conditions of underground mining One popular method of mine sequencing known as the 1-5-9 sequence is outlined in the image to the left of the page See Also Stope Sequencing Drilling Blasting and Equipment Drilling...

difference between open cast mine and underground mining

Dec 09 2012 0183 32 Aug 18 2008 Open - cast mining shaft mining then later by underground The difference between an open pit mine and a quarry is that a quarry uses the mined ยป More detailed...

The Actual Difference Between Surface and Underground Mining

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 But is it that simple For a better understanding ScienceStruck gives more differences between these two methods...

PDF Effective factors investigation in choice between

Table 3 Energy consumption for open-pit and underground mining Crushing 80 less Open-pit mining Underground mining than 15 mm 5-10 kw/t raw material 20-50 kw/t raw material 2-5 kw/t treated material Based on the data of table 3 and a number of previous studies most surface open-pit operations require 5 to 10 kwh energy equivalents/ton of...

Why underground mines cost higher compared to surface coal

Apr 28 2014 0183 32 Underground mining is generally more expensive than surface mining Cash mining cost for higher-ranked coal at Appalachia Basins is much higher at...

Difference Between An Open Mine And An Underground Mine

A quarry is the same thing as an open pit mine from which minerals are extracted The only non trivial difference between the two is that open pit mines that produce building materials and dimension stone are commonly referred to as quarries underground mining digging tunnels or shafts into the earth to reach buried ore deposits View More...

Difference Between Open Cast Mining And Underground Mining

Aug 03 2019 0183 32 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...

Reading Open

Open-pit mining or open-cast 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 tunneling into the earth such as long wall mining Open-pit mines are used when deposits of commercially useful minerals or rocks are found near the surface that is...

What is the difference between an open pit mine a quarry

Feb 21 2018 0183 32 A quarry is the same thing as an open-pit mine from which minerals are extracted The only non-trivial difference between the two is that open-pit mines that produce building materials and dimension stone are commonly referred to as quarri underground mining-digging tunnels or shafts into the earth to reach buried ore deposits...

Difference Between Open Pit Mine Quarry Underground Mine

what is the difference between an open pit mine a quarry Open-cast mining shaft miningquarrying can any one give Aug 18 2008 and later by underground methods...

Surface Mining Methods and Equipment

12 Open Pit vs Underground Mining Methods While most mineral deposits can be mined by either surface or underground methods some minerals can only be recovered in a hybrid manner usually by initial extracted by open pit mining followed by underground methods Here a brief comparison...

Glossary of Mining Terms

Open order - An order to buy or sell stock which is good until cancelled by the client Open pit - A mine that is entirely on surface Also referred to as open-cut or open-cast mine Option - An agreement to purchase a property reached between the property vendor and some other party who wishes to explore the property further...

What Is The Difference Between Open Cast And Underground

Difference between open cast mining shaft mining - 24 Sep 2013 Difference between open cast mining shaft mining Open-cast mining shaft miningquarrying can any Read more difference between and open cut mine and a underground mine...

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...

Types of Underground Mining Method Comparison

Mar 16 2017 0183 32 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...

Coal Mining Vs Metalliferous Mining

Coal mining is amenable to large scale mechanization Metal mining involves more detailed exploration and creful planning before opening up a mine particularly an underground mine The gestation period for underground metal mine is comparatively longer usually 4-5 years of which shaft sinking alone would take 2-3 years...

what is the difference between an open pit mine a quarry

Nov 24 2017 0183 32 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...

What is the difference between an open cast mine and an

Answer 1 of 3 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 method of moving the overburden can b...