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A new insert drawing technique for controlling ore loss and dilution during sublevel caving

Xiaojing Meng1, Tao Long1, Xinyu Shi1

  • 1School of Resource and Environment and Safety Engineering, University of South China, Hengyang, 421001, Hunan, China.

Scientific Reports
|July 2, 2025
PubMed
Summary

The new insert drawing method (IDM) significantly reduces ore loss and dilution in sublevel caving (SLC) mining. This technique improves ore recovery rates by controlling ore-rock interaction and waste rock funnel movement during extraction.

Keywords:
Cut-off grade drawing methodInsert drawing techniqueLoss and dilutionSublevel caving

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