Backfill Plans
So What Exactly is Mine Backfill
Mine backfill is the materials used to fill the
cavities created by mining to establish and
retain safe working conditions and economically.

Mine backfill is employed in strategies to reduce surface environmental impacts.
Reclamation of Backfill at a modern-day mine. Source: NNRSR

 

Backfill Benefits

Economic Benefits:

  • Backfill allows higher extraction ratio
  • Backfill reduces dilution
  • Aids in pillar recovery

Safety Benefits:

  • Backfill improves regional stability in the mine
  • Backfill can reduce risk of rock bursting

Environment Benefits:

  • Backfill provides a means of disposing of waste rock and mill tailings, thereby minimizing surface disturbance
 
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