38 Geochemistry, Aqueous I: Low Temperature Processes and Mechanisms

Sunday, 2 November 2003
1:00 PM - 3:45 PM

Presentations

• 1:00 PM
  ADSORPTION OF GADOLINIUM ON THE SURFACE OF GOETHITE IN THE SYSTEM NACL-H2O-AR-CO2 AT 25°C
  Alexander F. Redkin, University of Idaho, Moscow, ID and Scott A. Wood, University of Idaho, Moscow, ID and George Redden, Idaho National Engineering and Environmental Lab, Idaho Falls, ID and Larry C. Hull, Idaho National Engineering and Environmental Lab, Idaho Falls, ID
  58557 (Technical Sessions)
• 1:00 PM
  EFFECT OF CHEMISTRY ON CALCITE LATTICE SPACING: IMPLICATIONS FOR FLUORESCENCE AND ORE GENESIS
  Jeanne Lambert Sumrall and Patricia Frances Buis, Lander Univ, Greenwood, SC and Daniel Jones and Natasha Sekhon and MaryLynn Musgrove and Lewis Land and Kashif Mahmud and Stephen Opsahl
  59637 (Technical Sessions)
• 1:00 PM
  IDENTIFYING AUTHIGENIC CLAY FORMATION IN NEARSHORE TROPICAL SEDIMENTS: A NEW APPROACH USING LITHIUM ISOTOPES
  Timothy C.W. Ku, Wesleyan University, Middletown, CT and Joel D. Blum, Univ of Michigan, Ann Arbor, MI and Bjoern Klaue, Univ of Michigan, Ann Arbor, MI
  67879 (Technical Sessions)
• 1:15 PM
  INVESTIGATING PB(II) SORPTION PRODUCTS AT THE CALCITE-WATER INTERFACE: XAFS EVIDENCE FOR ADSORPTION AND PRECIPITATION
  Ashaki A. Rouff, State Univ of New York at Stony Brook, Stony Brook, NY and Evert J. Elzinga, State Univ of New York at Stony Brook, Stony Brook, NY and Richard J. Reeder, State Univ of New York at Stony Brook, Stony Brook, NY and Nicholas S. Fisher, State Univ of New York at Stony Brook, Stony Brook, NY
  64507 (Technical Sessions)
• 1:30 PM
  REVISED THERMODYNAMIC PROPERTIES OF BRUCITE DETERMINED BY SOLUBILITY STUDIES AND ITS SIGNIFICANCE TO NUCLEAR WASTE ISOLATION
  Yongliang Xiong, Sandia National Laboratories (SNL), Carlsbad Programs Group, Carlsbad, NM
  64667 (Technical Sessions)
• 1:45 PM
  THE KINETICS OF CALCITE DISSOLUTION IN NACL-CACL2-MGCL2 BRINES AT 1 BAR PCO2 AND 25 °C
  Dwight K Gledhill, Texas A&M Univ, College Station, TX and John W. Morse, Texas A&M Univ - College Station, College Station, TX
  59299 (Technical Sessions)
• 2:00 PM
  CONTROLS OF BURGERS VECTORS ON ETCH PIT FORMATION: AN EXAMPLE ON CALCITE SURFACES
  Chunfang Fan, The George Washington Univ, Washington D.C, DC and Henry Teng, George Washington Univ, Washington, DC
  66046 (Technical Sessions)
• 2:15 PM
  CONTROL OF SOLVATION ENTROPY ON THE ELECTROSTATIC ADSORPTION OF CATIONS ONTO SILICA
  Colin M. Craven, Fairbanks, AK and Patricia M. Dove, Virginia Tech, Blacksburg, VA
  67350 (Technical Sessions)
• 2:30 PM
  DECIPHERING MG PARTITIONING INTO CALCITE: A NEW STUDY OF MACROSCALE BEHAVIOR THROUGH DIRECT MEASUREMENT OF NANOSCALE CONTROLS
  Laura E. Wasylenki, Virginia Polytechnic Institute, Blacksburg, VA and Patricia M. Dove, Virginia Polytechnic Institute, Blacksburg, VA and James J. De Yoreo, Lawrence Livermore National Lab, Livermore, CA
  64619 (Technical Sessions)
• 2:45 PM
  NANOSCALE EFFECTS OF STRONTIUM ON CALCITE GROWTH: A BASELINE FOR UNDERSTANDING BIOMINERALIZATION IN THE ABSENCE OF VITAL EFFECTS
  Darren S. Wilson, Virginia Polytechnic Institute, Blacksburg, VA and Laura E. Wasylenki, Virginia Polytechnic Institute, Blacksburg, VA and Patricia M. Dove, Virginia Polytechnic Institute, Blacksburg, VA and James J. De Yoreo, Lawrence Livermore National Lab, Livermore, CA
  64650 (Technical Sessions)
• 3:15 PM
  THE WEATHERING OF SILICATE MINERALS IN THE GLACIATED MID-CONTINENT U.S.: RESULTS FROM NATURAL AND EXPERIMENTAL FIELD STUDIES
  Erika L. Williams, Univ of Michigan, Ann Arbor, MI and Lynn M. Walter, Univ of Michigan, Ann Arbor, MI and Timothy C.W. Ku, Wesleyan Univ, Middletown, CT and Joyce M. Budai, Great Lakes Colleges Association, Ann Arbor, MI and George W. Kling, Univ of Michigan, Ann Arbor, MI
  64043 (Technical Sessions)