Q253
In which mining method is mining performed upward, leaving waste rock behind?
A.
Shrinkage stoping
B.
Sublevel caving
C.
Cut and fill
D.
Top slicing
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Top slicing removes ore from top layers downward, leaving caved waste above.The correct answer is: Top slicingControlled collapse of overlying rock.Used in soft, weak ore bodies.