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advantages and disadvantages of open cut mining

Advantages and disadvantages of open pit mining - Lorecentral

Advantages and disadvantages of open pit mining. Open pit mining is profitable when the deposit is not very deep or when the terrain is sandy or delicate, so that underground mining is not possible. Labor costs are lower, both in excavation and transportation, and allow the use of large machinery .

Open Pit Mining Disadvantages Mineral Production ...

4. Disadvantages of open pit mining. However, disadvantages when compared to Underground Mining also exist: Very large amounts of waste rock are mined. This creates costs as well as environmental issues with waste rock disposal; Major disruption of surface: pit footprint, waste dumps. High visual impact, especially strip mining.

Handout 7. Advantages and Disadvantages of underground ...

handout advantages and disadvantages of underground mining advantages underground mining (as compared to open pit exploitation) allows mine operation to be

Open Cut 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 ...

What Are the Disadvantages of Opencast Mining?

Mar 25, 2020  Opencast mining, also known as surface mining or strip mining, has disadvantages that include disturbance of the environment and local ecosystems, exposure of radioactive elements and contamination of freshwater sources. The use of heavy machinery and blasting techniques also create environmental pollution.

Open Pit Mining Advantages Mineral Production Activities ...

3. The advantages of open pit mining. There are a number of advantages of open pit mining when compared to Underground Mining: Open pits can sometimes be brought into production quickly. Underground mining requires development (shaft sinking, adits, declines etc.) which might take years before production can start.

Pros and Cons of Mining - Pros an Cons

Dec 08, 2018  Mining involves the extraction of valuable minerals from the earth surface. Mining can either be surface mining or sub-surface (underground) mining. Mining not only beneficial to the surrounding community and public in general, but it can also pose a lot of risks to the surrounding community. Let’s look at the pros and cons of mining in an area.

Cut and fill - QueensMineDesignWiki

Cut and fill mining is a highly selective open-stope mining method considered ideal for steeply dipping high grade deposits found in weak host rock. Many variations of the general cut and fill technique exist, however this article will focus on overhand cut and fill.

Open Cut 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

What Are The Advantages And Disadvantages Of Open Cast Mining

What are the advantages and disadvantages of open-pit mining. advatages: it would create more jobs You can get a lot of limestone at once. Limestone is a valuable natural resource, used to make things such as glass and...

Opencast Mining (Quarrying): Methods, Advantages ...

Opencast mining is also known as open-put mining, open-cut mining, surface mining and also as strip mining, the later term being commonly used in the U.S.A. for opencast mining of coal. The overburden and the mineral, coal, are excavated in long strips of a few metres thickness and hence the operations are termed strip mining.

Open pit mining pros cons - eHow

Jul 14, 2020  The biggest advantage of open pit mining is the relatively low cost-extraction ratio. Open-pit mines are chosen when deposits of valuable minerals are found beneath the surface and where there overburden (overlaying rock or earth) is relatively thin. This means that no extensive tunnel network is required and no costly structural supports.

What are the advantages of strip mining?

Furthermore, what are the advantages and disadvantages of strip mining? 5 Pros and Cons of Strip Mining. ... Open-pit, 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 pit or borrow.

advantages and disadvantages on open pit mining? ? Yahoo ...

Jan 19, 2009  Adavantages; Easier access to materials, Easier to transport materials to the destination, Less hazards in regards to mining in tunnels or underground. Disadvantages; Alot more disel fuel burned to transport goods, Blasting is also required making it highly dangerous to anyone around and the atmosphere. All of the ones i can think of..

Environmental Risks of 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

What are the advantages of open-cast mining? - Quora

Open-cast mining has several advantages compared to underground mining, these are:- * Open-cast allows for high tonnages to be moved hence economies scale * Safe as workers are not working under disturbed roof * Open-cast trucks have higher payloa...

Sub-level open stoping - QueensMineDesignWiki

Sublevel Open Stoping originated in the early 1900’s in iron ore mines in Michigan, USA. It was developed over the years from a method originally known as short hole bench and train mining.Generally a large scale open stoping method, it is often referred to as long hole or blast hole stoping.

(PDF) Cut-and-Fill stoping - ResearchGate

Figure showing cut and fill mining method. ... Shrinkage stoping Ascending method of mining Advantages and Disadvantages Vertical Crater Retreat stoping Introduction Application Developmental ...

What are the advantages and disadvantages of underground ...

Feb 13, 2016  Shallow mineral or coal deposits can be economically mined by open-pit or strip mines. However, with deeper mineral or coal deposits it becomes very costly to remove a great deal of overburden in these kinds of settings. So, in these cases underground mining is more cost effective. The downside is that human health and safety are at greater ...

The many advantages of underground mining

Apr 27, 2015  Historically speaking, underground mining not only saves the mining area’s original form but also gives the mining company higher revenues. According to MiningGlobal, longwall mining, a type of underground mining that utilizes a longwall shearer, accounts for 50 percent of coal mines in the world and is much safer than other methods of coal mining.

Mining methods - SlideShare

Oct 23, 2011  Mining methods 1. Mining methods for s teeply dipping and massive deposits 2. Mining methods for s teeply dipping and massive deposits Self supported methods Sublevel caving Block caving Induced Block Caving Sublevel stoping Undercut and fill stoping Square-set stoping Cut-and-fill stoping Shrinkage stoping With caving of overburden Without caving of overburden Supported methods Large open ...

The Advantages And Disadvantages Of Surface Mining

Open Pit Mining Pros Cons eHow. Open Pit Mining Pros Cons. Open pit mining -- or strip mining -- is an extraction process for ore or fossil fuels that takes place at the surface of a mining site.

Opencast Mining (Quarrying): Methods, Advantages ...

Opencast mining is also known as open-put mining, open-cut mining, surface mining and also as strip mining, the later term being commonly used in the U.S.A. for opencast mining of coal. The overburden and the mineral, coal, are excavated in long strips of a few metres thickness and hence the operations are termed strip mining.

Open pit mining pros cons - eHow

Jul 14, 2020  The biggest advantage of open pit mining is the relatively low cost-extraction ratio. Open-pit mines are chosen when deposits of valuable minerals are found beneath the surface and where there overburden (overlaying rock or earth) is relatively thin. This means that no extensive tunnel network is required and no costly structural supports.

advantages and disadvantages on open pit mining? ? Yahoo ...

Jan 19, 2009  Adavantages; Easier access to materials, Easier to transport materials to the destination, Less hazards in regards to mining in tunnels or underground. Disadvantages; Alot more disel fuel burned to transport goods, Blasting is also required making it highly dangerous to anyone around and the atmosphere. All of the ones i can think of..

The Advantages And Disadvantages Of Surface Mining

Open Pit Mining Pros Cons eHow. Open Pit Mining Pros Cons. Open pit mining -- or strip mining -- is an extraction process for ore or fossil fuels that takes place at the surface of a mining site.

What are the advantages and disadvantages of underground ...

Feb 13, 2016  Shallow mineral or coal deposits can be economically mined by open-pit or strip mines. However, with deeper mineral or coal deposits it becomes very costly to remove a great deal of overburden in these kinds of settings. So, in these cases underground mining is more cost effective. The downside is that human health and safety are at greater ...

Environmental Risks of 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

What are the advantages of open-cast mining? - Quora

Open-cast mining has several advantages compared to underground mining, these are:- * Open-cast allows for high tonnages to be moved hence economies scale * Safe as workers are not working under disturbed roof * Open-cast trucks have higher payloa...

Mining methods - SlideShare

Oct 23, 2011  Mining methods 1. Mining methods for s teeply dipping and massive deposits 2. Mining methods for s teeply dipping and massive deposits Self supported methods Sublevel caving Block caving Induced Block Caving Sublevel stoping Undercut and fill stoping Square-set stoping Cut-and-fill stoping Shrinkage stoping With caving of overburden Without caving of overburden Supported methods Large open ...

(PDF) Cut-and-Fill stoping - ResearchGate

Figure showing cut and fill mining method. ... Shrinkage stoping Ascending method of mining Advantages and Disadvantages Vertical Crater Retreat stoping Introduction Application Developmental ...

What are the advantages and disadvantages of horizontal ...

Advantages: -More Space -More Usable (Buildable, inhabitable) Area for a given piece or tract of land. -Soil availabity for other off-site lands or projects. -Harvesting Resources of the site (rocks, minerals, coal, etc.) in either open Quarry-typ...

5 Chief Pros and Cons of Strip Mining – ConnectUS

Sep 24, 2015  This kind of mining is particularly useful when the minerals are located very close to the surface as it’s more feasible and much easier and quicker to remove the overburden in order to get them. Usually, strip mining is employed in mining tar sand and coal. It’s a method referred to as open cast, open cut or stripping.

Open pit mining - SlideShare

Jul 31, 2017  27 Other names for an open-pit mine include open-cast, open-cut, and strip mine. Mining Process in Open pits: The mine operation is developed by first establishing a bench, also known as a ledge, which enables miners to strip away layers. Benches are typically 13 to 197 feet (4 - 60 m) in depth.

What are the advantages of shaft mining

What are the advantages of shaft mining Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, What are the advantages of shaft mining, quarry, aggregate, and different kinds of

Types of Underground Mining Method Comparison

Rill-Cut Stoping Mining. Rill cut, or rill stoping, as shown at B, Fig. 2, has the principal advantage that when filling is used it can be run down through a raise at the apex of the stope and will fill the stope without shoveling. Its disadvantages, on the other hand, are as follows: