Examveda

What is the key factor in choosing between vertical crater retreat and sublevel stoping?

A. Water table depth

B. Orebody geometry and height

C. Drill diameter

D. Diesel equipment type

Answer: Option B

Solution (By Examveda Team)

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.

Join The Discussion

Related Questions on Mine Development and Mining Methods