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In block caving what triggers the caving process

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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In block caving, what triggers the caving process?

Answer & Solution
Correct Answer: Option D
Block caving depends on undercutting the base of the ore body.The correct answer is: Controlled excavation at baseOnce support is removed, the overlying rock caves under gravity.Requires strong geotechnical planning.
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