Q176
Which of the following is a major disadvantage of sublevel caving?
A.
Requires mechanization
B.
Poor recovery
C.
Excessive dilution
AnswerD.
High ore grade requirement
Answer: Option C
Solution
Answer: Option C
Solution:
Sublevel caving can lead to mixing of waste rock and ore.The correct answer is: Excessive dilutionAs overlying rock caves in, it contaminates the ore.Requires good draw control to manage dilution.