T175 Mine Rock Piles and Pyritically Altered Areas: Their Slope Stability and Effect on Water Quality

Tuesday, 18 October 2005
1:30 PM - 5:30 PM

Presentations

• 1:35 PM
  WHY DO WE NEED TO CHARACTERIZE MINE WASTE-ROCK PILES, TAILINGS DAMS, AND NATURALLY EXPOSED ALTERATION AREAS?
  Virginia T. McLemore, New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, Socorro, NM
  96661 (Technical Sessions)
• 1:50 PM
  THE EFFECTS OF ALTERATION AND WEATHERING ON MINE SLOPES AND WASTE ROCK PILES: IMPLICATIONS FOR LONG-TERM MANAGEMENT
  Andy Robertson, Robertson GeoConsultants Inc, Vancouver, BC and Shannon Shaw, Mehling Environmental Management Inc, Vancouver, BC
  96916 (Technical Sessions)
• 2:10 PM
  IN-SITU ACID WEATHERING REACTIONS IN AREAS AFFECTED BY LARGE-SCALE AND PERVASIVE HYDROTHERMAL ALTERATION IN THE SOUTHERN ROCKY MOUNTAINS: IMPLICATIONS REGARDING ACID-PRODUCING MINE DUMP STABILITY
  Dana J. Bove, U.S. Geol Survey, Denver, CO and Heather A. Lowers, N/A and Alex E. Blum, U.S. Geol Survey, Denver, CO and Geoffrey S. Plumlee, N/A
  92447 (Technical Sessions)
• 2:25 PM
  CLAY MINERALOGY OF THE GOATHILL NORTH MINE ROCK PILE AND THE GOATHILL AND STRAIGHT CREEK HYDROTHERMAL ALTERATION SCARS, QUESTA AREA, NEW MEXICO
  Kelly M. Donahue, New Mexico Tech, Socorro, NM and Nelia D. Dunbar, New Mexico Tech, Socorro, NM and Virginia T. McLemore, New Mexico Tech, Socorro, NM and Virgil W. Lueth, New Mexico Tech, Socorro, NM and Phoebe L. Hauff, Spectral International, Inc, Arvada, CO and Lynn Heizler, New Mexico Tech, Socorro, NM
  92781 (Technical Sessions)
• 2:40 PM
  STABLE ISOTOPE DISCRIMINATION OF HYPOGENE AND SUPERGENE SULFATE MINERALS IN ROCK PILES AT THE QUESTA MOLYBDENUM MINE, NEW MEXICO
  Andrew R. Campbell, New Mexico Institute of Mining and Technology, Socorro, NM and Virgil W. Lueth, New Mexico Tech, Socorro, NM and Shubha Pandey, New Mexico Institute of Mining and Technology, Socorro, NM
  94195 (Technical Sessions)
• 2:55 PM
  THE INFLUENCE OF SHEAR STRENGTH PROPERTIES ON THE STABILITY OF ROCK PILES
  G. Ward Wilson, University of British Columbia, Vancouver, BC and Murray D. Fredlund, SoilVision, Saskatoon, SK and Del Fredlund, SoilVision, Saskatoon, SK
  94444 (Technical Sessions)
• 3:15 PM
  INFLUENCE OF INTERNAL WATER AND MATERIAL PROPERTIES ON MINE DUMP STABILITY
  Robert J. Watters, University of Nevada, Reno, Reno, NV
  97170 (Technical Sessions)
• 3:30 PM
  ADVANCES IN SIMPLE METHODS OF ASSESSING THE TOXICITY OF MINE WASTES
  Thomas R. Wildeman, Colorado School of Mines, Golden, CO and Jim Ranville, Colorado School of Mines, Golden, CO and Eric Blumenstein, Colorado School of Mines, Golden, CO and Kathleen S. Smith, U.S. Geol Survey, Denver, CO and LaDonna M. Choate, U.S. Geol Survey, Lakewood, CO
  92717 (Technical Sessions)
• 3:50 PM
  CHARACTERIZATION OF ACID DRAINAGE POTENTIAL FROM THE GOATHILL NORTH ROCK PILE OF THE QUESTA MOLYBDENUM MINE, QUESTA, NEW MEXCIO – INITIAL RESULTS
  Samuel Tachie-Menson, New Mexico Institute of Mining and Technology, Socorro, NM and Virginia T. McLemore, New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, Socorro, NM
  94262 (Technical Sessions)
• 4:05 PM
  LEACHING CHARACTERISTICS OF COMPOSITED MATERIALS FROM MINE WASTE-ROCK PILES AND NATURALLY ALTERED AREAS NEAR QUESTA, NEW MEXICO
  Kathleen S. Smith, U.S. Geol Survey, Denver, CO and Philip L. Hageman, USGS, Denver, CO and Paul H. Briggs, U.S. Geol Survey, Denver, CO
  90915 (Technical Sessions)
• 4:20 PM
  PRE-MINING GROUND-WATER QUALITY IN DEBRIS FANS DEVELOPED FROM PYRITE-MINERALIZED EROSIONAL "SCARS" IN THE RED RIVER VALLEY, NEW MEXICO: COMPARISON BETWEEN MINED AND UNMINED AREAS
  D. Kirk Nordstrom, U.S. Geol Survey, Boulder, CO
  96818 (Technical Sessions)
• 4:40 PM
  TALE OF TWO FLOWPATHS THROUGH A MINE-WASTE DUMP—CLEAR CREEK COUNTY, COLORADO
  Laurie Wirt, U.S. Geol Survey, Denver, CO and Robert McDougal, U.S. Geol Survey, Denver, CO and David Fey, U.S. Geological Survey, Denver, CO
  96089 (Technical Sessions)
• 4:55 PM
  CONTROLS OF SURFACE AND GROUND-WATER CHEMISTRY IN MINERALIZED BUT UNMINED AREAS, SOUTHERN ROCKY MOUNTAINS
  Philip L. Verplanck, U.S. Geol Survey, Denver, CO and D.J. Bove, U.S. Geol Survey, Denver, CO and G.S. Plumlee, United States Geol Survey, Denver, CO and D. Kirk Nordstrom, U.S. Geol Survey, Boulder, CO and Richard B. Wanty, Denver, CO
  92448 (Technical Sessions)
• 5:10 PM
  MULTI-DIMENSIONAL HYDRAULIC ASSESSMENT OF HAZARD POSED TO MOAB URANIUM MILL TAILINGS BY FLOODING IN THE COLORADO RIVER, MOAB VALLEY, UTAH
  Terry A. Kenney, U.S. Geological Survey, West Valley City, UT
  90365 (Technical Sessions)