Session No. 54 Monday, October 28, 2002

8:00 AM-12:00 PM, Colorado Convention Center: C205
Geochemistry Aqueous
David B Finkelstein and Jennifer Shosa, Presiding
 Paper #Start Time
54-18:00 AM SIMPLIFIED PROCEDURES FOR THE ESTIMATION OF THE REVISED-HKF EQUATION OF STATE COEFFICIENTS: SHOSA, Jennifer D., Geology, Colby College, Mayflower Hill, Waterville, ME 04901, jdshosa@colby.edu.
54-28:15 AM SOLVATED AB INITIO AND DENSITY FUNCTIONAL THEORY (DFT) MODELING OF MINERAL-FLUID SURFACE REACTIONS: TOWARDS A FUNDAMENTAL UNDERSTANDING OF ALUMINOSILICATE DISSOLUTION MECHANISMS: XIAO, Yitian, ExxonMobil Upstream Research Company, P.O. Box 2189, Houston, TX 77252, yitian.xiao@exxonmobil.com and LUTTGE, Andreas, Dept. of Earth Sciences MS-126, Rice Univ, 6100 Main Street, Houston, TX 77005
54-38:30 AM BIOTITE DISSOLUTION UNDER AN ANOXIC CONDITION: IMPLICATION FOR FE BEHAVIOR DURING ANOXIC WEATHERING: MURAKAMI, Takashi1, ITO, Jun-ichi1, UTSUNOMIYA, Satoshi2, and KASAMA, Takeshi3, (1) Earth and Planetary Science, Univ of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan, murakami@eps.s.u-tokyo.ac.jp, (2) Nuclear Engineering and Radiological Sciences, Univ of Michigan, 2958 Cooley Bld, 2355 Bonisteel Blvd, Ann Arbor, MI 48109-2104, (3) Institut fur Mineralogie, Universitat Muenster, Muenster, D-48149, Germany
54-48:45 AM NEW INSIGHTS INTO ORGANIC LIGAND-MINERAL INTERACTIONS VIA DIRECT, MOLECULAR FORCE MEASUREMENTS: KENDALL, Treavor A. and HOCHELLA, Michael F. Jr, Dept. of Geological Sciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061-0420, tkendall@vt.edu
54-59:00 AM ARSENATE FORMS TERNARY AQUEOUS METAL-BRIDGED COMPLEXES WITH NATURAL ORGANIC MATTER: REDMAN, Aaron D., Environmental Science and Engineering, Colorado School of Mines, 1400 Illinois St, Golden, CO 80401, aredman@mines.edu, MACALADY, Donald L., Chemistry and Geochemistry, Colorado School of Mines, Golden, CO 80401, and AHMANN, Dianne, Division of Environmental Science and Engineering, Colorado School of Mines
54-69:15 AM BIOMASS BURNING EVENTS AND LANDSCAPE DENUDATION RECORDED BY THE DISTRIBUTION AND ISOTOPIC COMPOSITION OF POLYCYCLIC AROMATIC HYDROCARBONS IN LATE CRETACEOUS STRATA FROM SOUTHEASTERN ARIZONA: FINKELSTEIN, David B., PRATT, Lisa M., BRASSELL, Simon C., and PIETRASZEK-MATTNER, Sarah R., Geological Sciences, Indiana Univ, 1001 East Tenth Street, Bloomington, IN 47405-1405, dafinkel@indiana.edu
54-79:30 AM LARGE VERTICAL SEPARATION IN THE ONSET OF IRON AND MANGANESE REDUCTION IN FIVE ANTARCTIC LAKES: IMPLICATIONS FOR TRACE METAL CYCLING AND MODELING OF MN OXIDE PHASES: NEWELL, S.E., SHACAT, Joseph, and GREEN, W.J., School of Interdisciplinary Studies, Miami Univ, Western Dr, Oxford, OH 45056, snewell@email.smith.edu
54-89:45 AM INFLUENCE OF NANOSCALE POROSITY ON THE STRUCTURE AND DYNAMICS OF FLUIDS: COLE, David R, Chemical Sciences Division, Oak Ridge National Lab, Building 4500-S, Mail Stop 6110, Oak Ridge, TN 37831, coledr@ornl.gov.
54-910:00 AM MESOGEOCHEMISTRY: NANOPOROUS STRUCTURES IN GEOLOGICAL ENVIRONMENT: XU, Huifang, Dept.of Earth and Planetary Sciences, The Univ of New Mexico, 200 Yale Blvd, Albuquerque, NM 87131, hfxu@unm.edu, WANG, Yifeng, Sandia National Laboratories, Carlsbad, NM 88220, and CHEN, Tianhu, Dept.of Eath and Planetary Sciences, The Univ of New Mexico, 200 Yale Blvd, Albuquerque, NM 87131
54-1010:15 AM MESOGEOCHEMISTRY: GEOCHEMICAL REACTIONS AND MASS TRANSFERS IN A NANO-SCALE PORE SPACE CONFINEMENT: WANG, Yifeng1, BRYAN, Charles1, and XU, Huifang2, (1) Repository Performance and Certification Department, Sandia National Laboratories, 4100 National Parks Highway, Carlsbad, NM 88220, ywang@sandia.gov, (2) Department of Earth & Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131
54-1110:30 AM PH EFFECTS ON METAL CONTAMINANT SPECIATION DURING IN SITU BIOREMEDIATION USING SULFATE REDUCING BACTERIA: SAUNDERS, James A. and LEE, Ming-Kuo, Geology and Geography, Auburn Univ, 210 Petrie Hall, Auburn, AL 36849, saundja@auburn.edu
54-1210:45 AM STABLE CARBON ISOTOPIC COMPOSITION OF FATTY ACIDS OF EXTREMELY PIEZOPHILIC BACTERIA FROM THE MARIANA TRENCH AT 11,000 METERS: FANG, Jiasong, Geological and Atmospheric Sciences, Iowa State Univ, 360 Science I, Ames, IA 50011, jsfang@iastate.edu, BARCELONA, Michael J., Chemistry, Western Michigan Univ, Kalamazoo, MI 49008, ABRAJANO, Teofilo, Earth and Environmental Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, and KATO, Chiaki, DEEP-STAR, Japan Marine Sci and Technology Group, 2-15 Natsushima-cho, Yokosuka, Japan
54-1311:00 AM INGERSON LECTURE: EATING AND BREATHING AT THE WATER-ROCK INTERFACE: BRANTLEY, Susan L., Dept. of Geosciences, Penn State, 239 Deike Bdg, Univ. Pk, PA 16802, brantley@geosc.psu.edu.

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