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State One Difference Between Open Cast Mining And Shaft Mining

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Dec 05, 2012 · Usually a shaft mine would be used, unless the ore deposits were in a vein , ... what is the difference between open cast and underground mining;       The third type was deep-shaft mining for reef gold. ... Similarities and differences between galamsey and ... state-owned gold mining companies were sold out to ...       

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Aug 11, 2014 · One of the major benefits to open pit mining is the increase in efficiency ... Open-pit mining is much safer than shaft ... Open pit, or open cast ...

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