Session No. 99 Wednesday, November 7, 2001

8:00 AM-12:00 PM, Hynes Convention Center: 208
Aqueous Geochemistry
Philip S. Neuhoff and Maurice Shevalier, Presiding
 Paper #Start Time
99-08:00 AM SOLUBILITY OF CORUNDUM IN SUPERCRITICAL 0.1 MOLAL CACL2: WALTHER, John V., Geological Sciences, S.M.U, PO Box 750395, Dallas, TX 75275-0395, walther@mail.smu.edu.
99-08:15 AM ATHERMAL SOLID SOLUTION MODELS FOR SI-AL SUBSTITUTION IN ANALCIME AND CHABAZITE: NEUHOFF, Philip S., BIRD, Dennis K., and STEBBINS, Jonathan F., Department of Geological and Environmental Sciences, Stanford Univ, Building 320; Room 118, Stanford, CA 94305-2115, neuhoff@geo.stanford.edu
99-08:30 AM THERMODYNAMIC AND CHEMICAL CONSTRAINTS ON THE RELATIVE STABILITIES OF NUCLEOTIDES, NUCLEOSIDES, AND NUCLEIC ACID BASES IN HYDROTHERMAL SYSTEMS: LAROWE, Douglas E. and HELGESON, Harold C., Univ California - Berkeley, 301 McCone Hall, Berkeley, CA 94720-4767, larowe@uclink4.berkeley.edu
99-08:45 AM CARBON DIOXIDE REACTION PROCESSES IN A MODEL BRINE AQUIFER AT 200 C AND 200 BARS: IMPLICATIONS FOR SUBSURFACE CARBON SEQUESTRATION: KASZUBA, John P., Environmental Science and Waste Technology, Los Alamos National Lab, Mail Stop J514, Los Alamos, NM 87545, jkaszuba@lanl.gov, JANECKY, David R., Environmental Science and Waste Technology, Los Alamos National Lab, Mail Stop J591, Los Alamos, NM 87545, and SNOW, Marjorie G., Earth and Environmental Sciences, Los Alamos National Lab, Mail Stop D469, Los Alamos, NM 87545
99-09:00 AM SYSTEMATIC MICROBIAL CONTROL OF AQUEOUS ORGANIC/INORGANIC SPECIES IN BASIN WATERS AND SHALLOW GROUNDWATER: HUTCHEON, Ian E.1, MANNING, David A.C.2, and SHEVALIER, Maurice1, (1) Univ Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada, maurice@earth.geo.ucalgary.ca, (2) Agricultural & Environmental Science, Univ of Newcastle, Newcastle upon Tyne, NE1 7RU, United Kingdom
99-09:15 AM MAJOR GEOCHEMICAL MODIFICATION OF FORMATION WATERS ALONG SEDIMENTARY BASIN MARGINS: ROLE OF MICROBIAL METHANOGENESIS: MCINTOSH, Jennifer C.1, WALTER, Lynn M.1, and MARTINI, Anna M.2, (1) Department of Geological Sciences, Univ of Michigan, Ann Arbor, MI 48109-1063, jmcintos@umich.edu, (2) Department of Geology, Amherst College, Amherst, MA 01002
99-09:30 AM DO SILICATE DISSOLUTION MECHANISMS DEPEND ON PH?: OELKERS, Eric H., SCHOTT, Jacques, and POKROVSKY, Oleg S., Laboratory of Geochemistry, Univ of Paul Sabatier, 38 rue des Trente Six Ponts, Toulouse, 31400, France, oelkers@lucid.ups-tlse.fr
99-09:45 AM AN INTERFEROMETRY INVESTIGATION OF PHLOGOPITE DISSOLUTION: IMPLICATIONS FOR CRYSTAL DISSOLUTION WITHOUT THE FORMATION OF ETCH PITS: VAN DER KOLK, Dolores A., Department of Geological Sciences, California State University, Fullerton, P.O Box 6850, Fullerton, CA 92834-6850, dv020031@student.fullerton.edu and LUTTGE, Andreas, Department of Earth Sciences MS-126, Rice Univ, 6100 Main Street, Houston, TX 77005-1892
99-010:00 AM KINETICS OF DOLOMITE DISSOLUTION STUDIED BY INTERFEROMETRY AND A NEW CONCEPTUAL MODEL FOR MINERAL DISSOLUTION: LUTTGE, Andreas, Dept. of Earth Science MS-126, Rice Univ, 6100 Main Street, Houston, TX 77005-1892, aluttge@rice.edu, WINKLER, Ulrich, Lucas Moser Weg, Sindelfingen, Germany, and LASAGA, Antonio C., Geochemical Kinetics Rsch
99-010:15 AM THE EXTENT OF DISORDER AND KINETIC STABILITY OF OXYGEN SITES IN PHYLLOSILICATES : OXYGEN-17 NMR STUDY: LEE, Sung Keun, ZHAO, Peidong, and STEBBINS, Jonathan F, Department of Geological and Environmental Sciences, Stanford University, Stanford, CA 94305, sklee@pangea.stanford.edu
99-010:30 AM A TALE OF TWO RATES: IMPLICATIONS OF THE DISCREPANCY BETWEEN LABORATORY AND FIELD FELDSPAR DISSOLUTION RATES ON GEOLOGICAL CARBON SEQUESTRATION: ZHU, Chen1, BLUM, Alex2, HEDGES, Sheila3, and WHITE, Curt3, (1) Earth and Planetary Science, Univ of Pittsburgh, 321 Old Engineering Hall, Pittsburgh, PA 15260, czhu@pitt.edu, (2) U.S. Geological Survey, 3215 Marine St, Boulder, CO 80303, (3) National Energy Technology Laboratory, Department of Energy, P.O. Box 10940, Pittsburgh, PA 15236-0940
99-010:45 AM ALTERATION OF VOLCANIC MATTER IN SEDIMENTS OF THE WOODLARK BASIN, (ODP LEG 180): EVIDENCE FROM TRACE ELEMENTS AND ISOTOPIC SIGNATURES IN INTERSTITIAL WATER: DE CARLO, Eric Heinen, Oceanography, Univ of Hawaii, 1000 Pope Road, MSB 504, Honolulu, HI 96822, edecarlo@soest.hawaii.edu, LACKSCHEWITZ, Klas K., Fachgebiet Petrologie der Ozeankruste, Fachbereich 5, Geowissenschaften, Postfach 330 440, Bremen, 28334, Germany, and CARMODY, Rebecca, School of Ocean and Earth Science and Technology, Univ of Hawaii, Honolulu, HI 96822
99-011:00 AM Paper Withdrawn
99-011:15 AM FORMATION OF PETRIFIED WOODS - AN ORGANIC MOLECULE-TEMPLATED SILICA MINERAL PRECIPITATION IN NATURE: WANG, Yifeng, TRU Waste System Engineering Department, Sandia National Laboratories, 4100 National Parks Highway, Carlsbad, NM 88220, ywang@sandia.gov, XU, Huifang, Department of Earth & Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, and BRYAN, Charles, Experimental & International Programs Department, Sandia National Laboratories, 4100 National parks Highway, Carlsbad, NM 88220
99-011:30 AM THE CHARACTER OF GLAUCONITE IN THE TWIGGS CLAY MEMBER ALONG ELKO ROAD, HOUSTON COUNTY, GEORGIA: WAMPLER, J. M.1, ELLIOTT, W. Crawford2, WHITE, Brandon W.2, PAJEWSKI, Kara A.2, and ELSER, Alfred M.3, (1) School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332-0340, wampler@eas.gatech.edu, (2) Department of Geology, Georgia State University, Atlanta, GA 30303, geowce@panther.gsu.edu, (3) Department of Geology, Georgea State Univ, Altanta, GA 30303
99-011:45 AM DIAGENETIC SALINITY CYCLES RECORD KASRT-WATER GEOCHEMISTRY: CSOMA, Anita Éva1, GOLDSTEIN, Robert H.1, MINDSZENTY, Andrea2, and SIMONE, Lucia3, (1) Department of Geology, The Univ of Kansas, 1475 Jayhawk Blvd, Lawrence, KS 66045-7613, csoma@ku.edu, (2) Applied and Environmental Geology Department, Eötvös L. Univ, Muzeum krt. 4/A, Budapest, H-1088, Hungary, (3) Earth Sciences Department, Univ 'Frederico II', Naples, 80138, Italy

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