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What does rill stoping combine in its mining approach

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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What does "rill stoping" combine in its mining approach?

Answer & Solution
Correct Answer: Option C
Rill stoping uses elements of sublevel and shrinkage stoping.The correct answer is: Shrinkage stoping with sublevel stopingIt allows blasting from lower sublevels while using broken ore for wall support.Suited for moderately dipping ore bodies.
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