Disadvantages of Open-pit mining - Answers.com

An open pit mine is essentially a big hole in the ground. Dust is created in mining activities, and any moisture falling into the mine can dissolve minerals and convey them in … to ground water.

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What Are the Disadvantages of Opencast Mining ...

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.

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Open Pit Mining Pros & Cons | Sciencing

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. Worldwide, 40 percent of mining occurs at the surface, according to Greenpeace International.

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The advantages of open pit mining - ehow.co.uk

The cost advantage of open pit mining to investors is a matter of scale. According to the Delta Mine Training Center an open pit mine is cheaper, safer, and mechanically easier to operate.

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Advantages and disadvantages of open pit mining - LORECENTRAL

Open pit mines are those mining operations that take place on the surface , unlike the underground mines. This is possible when the reservoir sprouts on the surface or at a very small depth.

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Open-pit mining - Wikipedia

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.

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Environmental impact of mining - Wikipedia

The environmental impact of mining can occur at local, regional, and global scales through direct and indirect processes, leading to erosion, sinkholes, biodiversity loss, and the contamination of soil, groundwater, and surface water by chemicals from mining processes.

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the disadvantages of open pit mining - Mineral Processing EPC

Zenith Mobile Cone Crushing Plant Stone Crusher Machine Price In . Mobile cone stone crusher machine is very suitable for dealing with open-pit mines. . can overcome those limitations, and give play to advantages in the mining.

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Surface Mining | Sustainable Development & Environmental ...

Disadvantages include its high visibility, the large-scale surface disturbance and the limited economic depth to which mining can take place. Environmentally responsible miners are always looking at new ways to minimise the impacts of their operations on the environment.

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disadvantages of open pit mining - YouTube

2016-07-26· Open Pit Mining Pros & Cons. Open pit mining , , or strip mining , , is an extraction process for ore or fossil fuels that takes disadvantages of machinery in mines, ZCRUSHER disadvantages of ...

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What is a disadvantage for open pit mining - Answers.com

An open pit mine is essentially a big hole in the ground. Dust is created in mining activities, and any moisture falling into the mine can dissolve minerals and convey them into ground water.

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The Advantages of Open Pit Mining | Sciencing

Open 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 …

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Open-Pit Mining Methods

Open-pit mining methods are applicable to mining ore deposits that apex at or near the surface. If the deposit apexes below the surface, the overburden and barren capping overlying the ore must be removed in advance of open-pit mining. The removal of this material is known as stripping.

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The many advantages of underground mining - Born2Invest

Generally, startup explorers and miners begin with open-pit mining because it is cheaper, easier, and safer. Underground method , as the term explains it, is about mining underground and …

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

The cost of open pit mining is generally 50% -75% lower than the cost of underground mining, which is conducive to large-scale exploitation of low-grade ore. The main drawbacks of open pit mining are:the occupation of land, the surface is destroyed, the environment is contaminated.

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open pit mining disadvantages - kindereninontwikkeling.nl

open pit mining pros & cons . open pit mining pros & cons. open pit mining is a type of mineral or rock extraction that does not necessitate tunnelling disadvantages of open pit miningyoutube.

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open pit mining disadvantages - YouTube

2016-08-29· The definition of a open pit mine is "an excavation or cut made at the surface of the disadvantages of open pit mining ? coal russian Disadvantages of Open Cast Mining, Ask.com. There are several ...

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Surface Mining Methods and Equipment

UNESCO – EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING – Vol. II - Surface Mining Methods and Equipment - J. Yamatomi and S. Okubo ©Encyclopedia of Life Support Systems (EOLSS)

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What Are the Advantages of Open-Pit Mining? | Reference.com

Advantages of open-pit mining include a lower cost compared with other methods and a higher safety level. Open-pit mining is also better suited to quarries containing smaller amounts of …

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Open pit mining pros & cons - ehow.co.uk

Pro: Easier Extraction. 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.

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open pit mining disadvantages - shoppingemporium.co.za

open pit mining disadvantages Rock Drill Button Bits Provide To With Thread And . Mining Object: construction, large scale mine open and underground and large section tunnel advance in metal mine.

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

2009-01-19· Best Answer: 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 ...

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what is the disadvantage of mining and open pit

Disadvantages of Open-pit mining - science.answers.com. Open-pit mining is the extraction of mineral ores or solid fossil fuels that occur in seams or strata that are located near the surface.

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open pit mining advantages and disadvantages

Open Pit Mining Pros & Cons | Sciencing. 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.

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The Disadvantages Of Open-pit Mining