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What are the advantages and disadvantages of mining? – Yahoo … · Open cast (or open pit) mining is removing the layers of earth above a mineral …

A review on existing opencast coal mining methods… The main advantage of open cut mining is. improved mine personnel safety as there is no risk of mine roof collapse.

When an ore body is near the suface, open cast mining is the answer. If an ore body is deep, then one has to sink a shaft, which is vastly more costly than open cast ...

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Environmental Risks of Mining. Open pit mining, where material is . ISL mining has environmental and safety advantages over conventional mining in that the ore body ...

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

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 ...

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taken of the main cost advantage that open cast mining enjoys over underground methods. This advantage is due to the favourable …

Efficient Operations. One of the major benefits to open pit mining is the increase in efficiency over deep-shaft mining techniques. Because mining occurs at 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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Feb 23, 2012· Underground versus Open Pit Mining ... Over the past century, the mining world has taken full advantage of amazing technological advances and …

What are the advantages of open cast mining – The Q&A wiki. Advantages Jobs will be available for the people of the are. Disadvantages Co2, Global warming,Smoke ...

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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 ...

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Open Pit Mining Pros & Cons | eHow. One of the major benefits to open pit mining is the increase in efficiency over deep-shaft mining techniques.

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disadvantages open cast mining - … open cast mining advantages disadvantages;, Open cast mining is a type of surface mining in which mineral resources are removed ...