Q114
Which stoping method uses drilling and blasting from sublevels?
A.
Block caving
B.
Sublevel stoping
AnswerC.
Longwall mining
D.
Top slicing
Answer: Option B
Solution
Answer: Option B
Solution:
Sublevel stoping uses longhole drilling between sublevels.The correct answer is: Sublevel stopingOre is blasted and collected below.Works well in competent rock.