Which term refers to a horizontal working driven parallel and close to the ore body but not in ore?
A. Sublevel
B. Drift
C. Exploration gallery
D. Access tunnel
Answer: Option C
Solution (By Examveda Team)
Exploration gallery is driven near the ore zone for observation and sampling.The correct answer is: Exploration galleryUsed to determine ore geometry, grade, and structure.Not a production-level drift.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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