Q66
What does "rill stoping" combine in its mining approach?
A.
Cut and fill with shrinkage
B.
Sublevel caving with longwall
C.
Shrinkage stoping with sublevel stoping
AnswerD.
Block caving with fill
Answer: Option C
Solution
Answer: Option C
Solution:
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.