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What is the key factor in choosing between vertical crater retreat...

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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What is the key factor in choosing between vertical crater retreat and sublevel stoping?

Answer & Solution
Correct Answer: Option B
Vertical Crater Retreat (VCR) and Sublevel stoping differ in layout and fragmentation.The correct answer is: Orebody geometry and heightVCR is good for tall, steep bodies; sublevel stoping for medium height.Geometry directly affects method suitability.
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