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In which mining method is room and pillar primarily used

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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In which mining method is "room and pillar" primarily used?

Answer & Solution
Correct Answer: Option A
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.
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