Session No. 84 Monday, October 28, 2002

1:30 PM-5:30 PM, Colorado Convention Center: Exhibit Hall
Geochemistry Aqueous (Posters)
 Paper #Booth #
84-122SOME GENERAL GEOCHEMICAL FEATURES OF PHOSPHORITES: SERJANI, Afat and LEKAJ, Vjollca M., Dept of Industrial Minerals, Geol Rsch Inst, Blloku 'Vasil Shanto', Tirana, Albania, laserjani@yahoo.com
84-223FURTHER REFINEMENT OF THE DAVIS-RITCHIE MODEL OF PYRITE OXIDATION IN GEOLOGIC MATERIALS ASSOCIATED WITH MINING: LIU, Houmao1, MAHONEY, John J.1, and LANGMUIR, Donald2, (1) Hydrologic Consultants, Inc, 143 Union Blvd #525, Lakewood, CO 80228, hliu@hcico.com, (2) Hydrochem Systems Corp, P.O. Box 17090, Golden, CO 80402
84-324DEPENDENCE OF NA-AUTUNITE DISSOLUTION KINETICS ON PH: WELLMAN, D.M.1, ICENHOWER, J.P.2, and GEISZLER, K.N.2, (1) Chemistry, Washington State University; Pacific Northwest National Laboratory, 902 Battelle Boulevard, PO Box 999, MS K6-81, Richland, WA 99352, Dawn.Wellman@pnl.gov, (2) Pacific Northwest National Lab, 902 Battelle Boulevard, PO Box 999, MS K6-81, Richland WA, WA 99352
84-425LABORATORY AND MODELING STUDIES OF NEPTUNIUM-237 UPTAKE ON CALCITE: BERTETTI, F. Paul and WERLING, Bradley A., Center for Nuclear Waste Regulatory Analyses, Southwest Rsch Institute, 6220 Culebra Road, San Antonio, TX 78238-5166, pbertetti@swri.edu
84-526SORPTION OF NEODYMIUM VERSUS STRONTIUM ON RUTILE SURFACES TO ELEVATED TEMPERATURES: RIDLEY, Moira K.1, MACHESKY, Michael L.2, WESOLOWSKI, David J.3, and PALMER, Donald A.3, (1) Texas Tech Univ, PO Box 41053, Lubbock, TX 79409-1053, moira.ridley@ttu.edu, (2) Illinois State Water Survey, 2204 Griffith Drive, Champaign, IL 61820, (3) Oak Ridge National Lab, P.O. Box 2008, Oak Ridge, TN 37831
84-627THE DISTRIBUTION OF DISSOLUTION RATES ON THE CALCITE CLEAVAGE SURFACE: ARVIDSON, Rolf S., Dept. of Earth Science MS-126, Rice Univ, 6100 Main Street, Houston, TX 77005, rsa4046@ruf.rice.edu and LUTTGE, Andreas, Dept. of Earth Sciences MS-126, Rice Univ, 6100 Main Street, Houston, TX 77005
84-728BARITE IN PURE WATER AT 25C: FEWLESS, Thomas A., Earth Science, Rice Univ, Department of Earth Science -MS 126, P.O. Box 1892, Houston, TX 77005, tfewless@rice.edu and LUTTGE, Andreas, Dept. of Earth Science, Rice Univ, 6100 Main Street, Houston, TX 77005
84-829EFFECT OF COMPLEXATION ON COPPER MOBILITY IN LANDFILL LEACHATE POLLUTED GROUNDWATER: A EXPERIMENTALLY VALIDATED CONCEPTUAL MODEL FOR MODELING HEAVY METALS TRANSPORT: CAI, Zuansi, Groundwater Protection and Restoration Group,Department of Civil and Structural Engineering, University of Sheffield, Sir Frederick Mappin Building, Mapin Street, Sheffield, S1 3JD, United Kingdom, zu.cai@sheffield.ac.uk and CHRISTENSEN, Thomas H., Department of Enviroment & Resources, Technical University of Denmark, Building 115, Lyngby, 2800, Denmark
84-930EXPERIMENTAL DETERMINATION OF UO2 (CR) DISSOLUTION KINETICS AT HIGH BICARBONATE CONCENTRATIONS: PIERCE, E.M.1, SERNE, R.J.2, ICENHOWER, J.P.2, and MARTIN, W.J.2, (1) Graduate School, Tulane Univ, New Orleans, LA 70118, Eric.Pierce@pnl.gov, (2) Pacific Northwest National Lab, 902 Battelle Boulevard, PO Box 999, MS K6-81, Richland WA, WA 99352
84-1031EFFECTS OF AQUEOUS CORROSION ON BOROSILICATE GLASS AS REVEALED BY VERTICAL SCANNING INTERFEROMETRY (VSI): ICENHOWER, Jonathan P., Applied Geology and Geochemistry, Pacific Northwest National Lab, 902 Battelle Blvd., MSIN: K6-81, Richland, WA 99352, jonathan.icenhower@pnl.gov, LUTTGE, Andreas, Department of Earth Sciences MS-126, Rice Univ, 6100 Main Street, Houston, TX 77005-1892, and MCGRAIL, B. Pete, Applied Geology and Geochemistry, Pacific Northwest National Lab, 902 Battelle Blvd., MSIN K6-81, Richland, WA 99352
84-1132EFFECT OF IRON COATINGS ON LIMESTONE AND SURFACE AREA ON DISSOLUTION RATES: SELFRIDGE, Jennifer A. and MCDONALD, Louis M. Jr, Div of Plant & Soil Science, West Virginia Univ, 1090 Agricultural Sciences Building, PO Box 6108, Morgantown, WV 26506-6108, jselfrid@mix.wvu.edu
84-1233SULFIDE SPECIES SUPPRESS METAL TOXICITY IN OXIC WATERS: KRAMER, James R.1, BELL, Russell A.2, ERNSTE, Michael2, NI, Boris1, and SMITH, D. Scott2, (1) School of Geography and Geology, McMaster Univ, Hamilton, ON L8S 4K1, Canada, kramer@mcmaster.ca, (2) Chemistry, McMaster Univ
84-1334FORMATION OF IRON(III) SILICIC ACID COMPLEXES AS A POSSIBLE MECHANISM FOR THE TRANSPORT OF IRON IN OXYGENATED NATURAL WATER: YOKOYAMA, Takushi, BAZILEVSKAYA, Ekaterina, WATANABE, Yumiko, and OHMOTO, Hiroshi, Astrobiology Research Center & Dept. of Geosciences, The Pennsylvania State Univ, 435 Deike Bldg, University Park, PA 16802, eab204@psu.edu
84-1435RARE EARTH ELEMENT FRACTIONATION DURING PHOSPHATE NODULE DIAGENESIS: MURTHY, Ranjini1, HANNIGAN, Robyn2, KIDDER, David3, and MAPES, Royal3, (1) Chemistry, Arkansas State Univ, PO Box 419, State University, AR 72467, rmurthy@astate.edu, (2) Department of Chemistry and Program for Environmental Sciences, Arkansas State Univ, PO Box 419, State University, AR 72467, (3) Geological Sciences, Ohio Univ, Athens, OH 45701
84-1536A FORMALISM FOR GEOCHEMICAL REACTION MODELING USING COMBINED MASS-BALANCE, REACTION-PATH, AND STOCHASTIC METHODS: APPLICATION TO THE OZARK AQUIFER SYSTEM: LEE, Lopaka, HELSEL, Dennis R., and GOLDHABER, Martin B., Crustal Imaging and Characterization, USGS, Denver Federal Center, MS 973, Denver, CO 80225, rclee@usgs.gov
84-1637NATURALLY OCCURRING ARSENIC IN GROUNDWATERS OF THE MADRID TERTIARY DETRITAL AQUIFER (SPAIN): HERNANDEZ GARCIA, Maria-Elvira, Geodynamics, Complutense Univ, Faculty of Geology, Madrid 28040 Spain, melvirah@geo.ucm.es.
84-1738THE CORRECTED SOLUBILITY PRODUCT OF SCORODITE AND ITS APPLICATION TO ARSENIC BEHAVIOR IN BURIED MINE TAILINGS: MAHONEY, John, Hydrologic Consultants Inc, 143 Union Blvd, Lakewood, CO 80228, jmahoney@hcico.com and LANGMUIR, Donald, Hydrochem Systems Corp, P.O. Box 17090, Golden, CO 80402
84-1839GEOCHEMICAL CONTROLS ON ARSENIC CONCENTRATIONS IN RYE PATCH RESERVOIR, PERSHING COUNTY, NV: CLARK, Ryan J., Graduate Program of Hydrologic Sciences, Univ of Nevada, Reno, 1068 Bell St, Reno, NV 89503, rclark@unr.nevada.edu and TEMPEL, Regina N., Dept. Geological Sciences MS-172, Univ of Nevada, Reno, Reno, NV 89557
84-1940ARSENIC CONTAMINATION IN SOUTHEAST WISCONSIN: SOURCES OF ARSENIC AND MECHANISMS OF ARSENIC MOBILIZATION: ROOT, Tara L., Geology and Geophysics, Univ of Wisconsin - Madison, 1215 W. Dayton St, Madison, WI 53706, tara@geology.wisc.edu, BAHR, Jean M., Department of Geology and Geophysics, Univ of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, and GOTKOWITZ, Madeline B., Wisconsin Geol and Nat History Survey, 3817 Mineral Point Road, Madison, WI 53705
84-2041CHARACTERIZATION OF ARSENATE (ASV) AND ARSENITE (ASIII) ADSORPTION ONTO HEMATITE IN THE PRESENCE OF NATURAL ORGANIC MATTER (NOM): RITTER, Kaylene, MACALADY, Donald, and AHMANN, Dianne, Chemistry, Colorado School of Mines, Golden, CO 80401-1887, kritter@mines.edu
84-2142ARSENIC AND MERCURY MINERALS IN ORIENTAL MEDICINE : IN VITRO TEST AND REACTION PATH MODELING OF SOME COMMON INORGANIC PHARMACEUTICS IN THE HUMAN BODY: PARK, Maeng-Eon and KIM, Sun-Ok, Environmental Geosciences, Pukyong National Univ, 599-1 Daeyeon-dong, Nam-gu, Busan, 608-737, South Korea, petticow@hanmail.net

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