Q55
Which mining method uses downward retreat of the ore body while filling the voids with waste or tailings?
A.
Cut and Fill
AnswerB.
Shrinkage Stoping
C.
Sublevel Caving
D.
Room and Pillar
Answer: Option A
Solution
Answer: Option A
Solution:
Cut and Fill is an underground mining method using backfilling after each ore slice is removed.The correct answer is: Cut and FillEffective for irregular ore bodies and unstable ground.Allows high selectivity and safety.