Define deep shaft mining?
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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.
Shallow shafts, typically sunk for civil engineering projects differ greatly in execution method from deep shafts, typically sunk for mining projects.
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Answer:
The minerals that are depositsand lie at greater depths are riched by deep bores this method is know as deep shaft mining......
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