Q199
Which method is most suitable for weak ore and strong wall rocks?
A.
Shrinkage stoping
AnswerB.
Cut and fill
C.
Block caving
D.
Sublevel caving
Answer: Option A
Solution
Answer: Option A
Solution:
Shrinkage stoping retains broken ore in place to support stope walls.The correct answer is: Shrinkage stopingIdeal when ore is fragile but surrounding rock is competent.Ore is extracted after stoping is completed.