Which one is a non-entry mining method?
A. Cut and Fill
B. Sublevel Stoping
C. Room and Pillar
D. In-situ leaching
Answer: Option D
Solution (By Examveda Team)
In-situ leaching involves extracting minerals by dissolving them underground.The correct answer is: In-situ leachingNo physical entry is required into the ore zone.Used for soluble minerals like uranium or copper.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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