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Underhand cut and fill mining as practiced in three deep hard rock mines in the United States.

Authors
Williams-TJ; Brady-TM; Bayer-DC; Bren-MJ; Pakalnis-RT; Marjerison-JA; Langston-RB
Source
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
Link
NIOSHTIC No.
20033309
Abstract
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.
Keywords
Mining-industry; Underground-mining; Hard-rock-mines; Rock-bursts; Rock-mechanics
Publication Date
20070429
Document Type
Conference/Symposia Proceedings
Fiscal Year
2007
NTIS Accession No.
NTIS Price
NIOSH Division
SRL
Source Name
Proceedings of the CIM Conference and Exhibition, Montreal, Quebec, Canada, April 29-May 2, 2007
State
WA
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