Q239
What distinguishes sublevel caving from block caving?
A.
Use of backfill
B.
No ore passes required
C.
Use of multiple production levels
AnswerD.
Applicable to small deposits only
Answer: Option C
Solution
Answer: Option C
Solution:
Sublevel caving uses multiple levels to drill and blast ore, which caves under its own weight.The correct answer is: Use of multiple production levelsBlock caving involves large undercut areas collapsing en masse.Sublevel caving offers more control and selectivity.