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Mining Engineering · Q189

Mine Development and Mining Methods

Engineering and GATE · Mining Engineering · question 189

Q189

Which method uses gravity flow of ore and caved waste rock?

A.
Sublevel stoping
B.
Sublevel caving
Answer
C.
Shrinkage stoping
D.
Cut and fill

Answer: Option B

Solution

Answer: Option B
Solution:
Sublevel caving allows ore and waste to cave and flow due to gravity.The correct answer is: Sublevel cavingDrilled and blasted from sublevels below.Used for massive, weak ore bodies.