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Publications by [Kehrman R.]

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MODELING BLOCK CAVE SUBSIDENCE AT THE MOLYCORP, INC., QUESTA MINE - A CASE STUDY (2005)
The evolution of surface subsidence is an important focus of study above Molycorp, Inc.’s newest block cave at the Questa molybdenum mine near Taos, New Mexico. The case study compares mature glory hole subsidence over the Goathill Orebody and subsidence emerging ...
Reference: The 40th U.S. Symposium on Rock Mechanics (USRMS): Rock Mechanics for Energy, Mineral and Infrastructure Development in the Northern Regions, Anchorage, Alaska, June 25-29, 2005.
GROUND SUPPORT DESIGN USING THREE-DIMENSIONAL NUMERICAL MODELING AT MOLYCORP, INC.’S, BLOCK CAVING QUESTA MINE (2004)
The Molycorp, Inc., Questa Mine, located in New Mexico, currently mines using a gravity-draw panel cave to extract molybdenum sulfide ore from the 600-m-deep D Orebody. Prior to initial development, geotechnical studies were undertaken to predict ground response ...
Reference: MassMin Chile 2004, August 2004, Santiago, Chile