Q80
What mining technique causes the least ore dilution?
A.
Block caving
B.
Sublevel stoping
C.
Cut and fill
AnswerD.
Sublevel caving
Answer: Option C
Solution
Answer: Option C
Solution:
Cut and fill mining allows selective extraction and tight control over ore boundaries.The correct answer is: Cut and fillBackfill supports the walls, reducing waste mixing.Used in high-grade, irregular ore zones.