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Mar 15, 2013· There are five methods of mining as show in session 3 of the WV coal project video. The various mining techniques include drift mining, Shaft mining,

Opencast mining, also known as surface mining or strip mining, has disadvantages that include disturbance of the environment and local ecosystems, exposure of ...

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Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom.

While it can be expensive, underground mining has its own advantages over open-pit mining.

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Shaft mining - Wikipedia. Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the ...

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 ...

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Shaft mining is the earnest form of underground mining. Underground mining is selected when the rock or mineral is so far to reach using surface mining.

Find out some pros and cons of underground mining in the latest Operations Illustrated. Contributed. September 8, 2015. By Mary Foster, Contributing Editor

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