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What is the purpose of slot drilling in longhole stoping

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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What is the purpose of "slot drilling" in longhole stoping?

Answer & Solution
Correct Answer: Option C
Slot drilling creates a void or relief area to initiate blast-induced rock breakage.The correct answer is: Initiate ore breakageWithout a slot, blasting is ineffective due to confinement.Slots are essential for fragmentation.
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