Q111
In cut and fill mining, what is typically used for backfilling?
A.
Broken waste rock
B.
Cemented tailings
AnswerC.
Wood planks
D.
Coal fines
Answer: Option B
Solution
Answer: Option B
Solution:
Backfill supports the stope roof and walls.The correct answer is: Cemented tailingsProvides structural strength and allows safe mining above.Also reduces surface tailings.