In which mining method is "room and pillar" primarily used?
A. Salt and potash mining
B. Gold vein mining
C. Steep ore mining
D. Copper heap leaching
Answer: Option A
Solution (By Examveda Team)
Room and pillar is used in flat-bedded deposits like salt, coal, and potash.The correct answer is: Salt and potash miningRooms are mined, and pillars are left to support the roof.Not suitable for steep or irregular ore bodies.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
Related Questions on Mine Development and Mining Methods
What is the primary purpose of mine development?
A. Extraction of ore
B. Ventilation planning
C. Accessing ore body
D. Waste disposal
A. Shaft
B. Adit
C. Stope
D. Raise
A. Room and Pillar
B. Cut and Fill
C. Block Caving
D. Shrinkage Stoping
Which of the following is not an underground mining method?
A. Open-pit mining
B. Shrinkage stoping
C. Sublevel stoping
D. Cut and fill
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