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Which of the following stoping methods uses vertical crater retreat blasting...

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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Which of the following stoping methods uses vertical crater retreat blasting?

Answer & Solution
Correct Answer: Option B
VCR (Vertical Crater Retreat) uses downward drilling and crater blasting.The correct answer is: VCR miningEffective in competent ore with a vertical geometry.Allows safe remote drilling and blasting.
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