Q32
Which mining method involves drilling and blasting the ore body from multiple sublevels?
A.
Block Caving
B.
Sublevel Stoping
AnswerC.
Shrinkage Stoping
D.
Longwall Mining
Answer: Option B
Solution
Answer: Option B
Solution:
Sublevel Stoping involves creating multiple levels for drilling and blasting.The correct answer is: Sublevel StopingIt allows high productivity and is used in competent ore and host rock.Different from caving methods where gravity assists ore movement.