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Mining Publication: Underhand Cut and Fill Mining as Practiced in Three Deep Hard Rock Mines in the United States

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April 2007

Image of publication Underhand Cut and Fill Mining as Practiced in Three Deep Hard Rock Mines in the United States

Underhand cut and fill mining methods are used at the Lucky Friday, Stillwater, and Galena mines in the western US in an effort to safely mine in difficult ground conditions and as a primary mining method where access below the ore is limited. The method has evolved at each mine to meet the unique situations associated with their milling procedure and mine layout. Details of the operational aspects of the backfilling and mining cycles at each mine are presented in this paper, accompanied by a summary of the mechanical properties of the backfill and its in-situ geomechanical behavior.

Authors: TJ Williams, TM Brady, DC Bayer, MJ Bren, RT Pakalnis, JA Marjerison, RB Langston

Conference PaperApril - 2007

  • Adobe Acrobat - Portable Document Format (.PDF)

    0.40 MB

NIOSHTIC2 Number: 20033309

Proceedings of the CIM Conference and Exhibition, Montreal, Quebec, Canada, April 29-May 2, 2007. Montreal, Quebec, Canada: Canadian Institute of Mining, Metallurgy and Petroleum, 2007 Apr; :1-11

 
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