What is the main disadvantage of block caving?
A. Low production rate
B. High ore dilution
C. High cost per ton
D. Needs selective mining
Answer: Option B
Solution (By Examveda Team)
Ore dilution is the major concern in block caving.The correct answer is: High ore dilutionAs the rock caves, waste rock can mix with ore, reducing grade.Though cost-effective for large volumes, it lacks selectivity.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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