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What is the purpose of backfilling in mining

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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What is the purpose of backfilling in mining?

Answer & Solution
Correct Answer: Option B
Backfilling refers to placing waste or material into mined-out stopes.The correct answer is: Roof supportIt stabilizes the ground, prevents subsidence, and improves safety.Used in methods like cut and fill or where voids must be filled.
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