2009 Portland GSA Annual Meeting (18-21 October 2009)
Session No. 77 Monday, 19 October 2009
8:00 AM-12:00 PM, Oregon Convention Center: D139/140

T23. Geochemistry of Arsenic and Other Toxic Elements and Assessment of Environmental Risks in Global Groundwater Systems I (GSA Hydrogeology Division; GSA International Division; GSA Geology and Health Division; GSA Geology and Society Division; Geochemical Society; International Society of Groundwater for Sustainable Development [ISGSD])

Prosun Bhattacharya, Alan E. Fryar and Abhijit Mukherjee, Presiding
 Paper #Start Time
 8:00 AM Introductory Remarks
77-18:10 AM NATURAL ARSENIC ENRICHMENT: EFFECTS OF THE DIAGENETIC-TECTONIC-HYDROTHERMAL CYCLE: NORDSTROM, D. Kirk, U.S. Geol Survey, 3215 Marine Street, Suite E-127, Boulder, CO 80303, dkn@usgs.gov and ZHENG, Yan, Queens College, CUNY, Flushing, NY 11367, and Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY 10964
77-28:30 AM ARSENIC-MINERAL ASSOCIATIONS IN A FRACTURED CRYSTALLINE AQUIFER WITH ELEVATED GROUNDWATER ARSENIC, MAINE USA: O'SHEA, Bethany1, MACLEAN, Ashley2, BROCK, Patrick3, YANG, Qiang3, MARVINNEY, Robert G.4, and ZHENG, Yan5, (1) Marine Science & Environmental Studies, University of San Diego, 5998 Alcala Park, San Diego, CA 92110, bethoshea@sandiego.edu, (2) Lamont-Doherty Earth Observatory, Columbia University, PO Box 1000, 61 Route 9W, Palisades, NY 10964, (3) Earth and Environmental Sciences, Queens College and Graduate Center, CUNY, 65-30 Kissena Blvd, Flushing, NY 11367, (4) Maine Geological Survey, 93 State House Station, Augusta, ME 04333-0093, (5) Queens College, CUNY, Flushing, NY 11367, and Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY 10964
77-38:45 AM ULTRAMAFIC SOURCE OF ARSENIC IN A FRACTURED BEDROCK AQUIFER: RYAN, Peter C.1, KIM, Jonathan2, CLARK, Arthur L.1, SMITH, Taylor T.1, CHOW, Daniel1, SULLIVAN, Colleen1, and BRIGHT, Kevin1, (1) Geology Department, Bicentennial Hall, Middlebury College, Middlebury, VT 05753, pryan@middlebury.edu, (2) Vermont Geological Survey, 103 South Main Street, Logue Cottage, Waterbury, VT 05671-2420
77-49:00 AM PARTICLE SIZE RELATIONSHIP BETWEEN ARSENIC SPECIATION, SOLUBILITY, AND BIOACCESSIBILITY IN MINE WASTES FROM THE RANDSBURG MINING DISTRICT, CA: KIM, Christopher S., School of Earth and Environmental Sciences, Chapman University, One University Drive, Orange, CA 92866, cskim@chapman.edu and RYTUBA, James J., US Geological Survey, 345 Middlefield Road, MS901, Menlo Park, CA 94025
77-59:15 AM CHEMICAL EVOLUTION OF GROUNDWATER IN THE AMARGOSA DESERT: AL-QUDAH, Omar1, WALTON, John2, and WOOCAY, Arturo1, (1) Environmental Science and Engineering, The University of Texas at El Paso, 500 W University Ave, 210 Burges Hall, El Paso, TX 79968, omal@miners.utep.edu, (2) Environmental Science and Engineering, The University of Texas at El Paso, 500 W University Ave, Civil Engineering Department, El Paso, TX 79968
77-69:30 AM ARSENIC, IRON, AND URANIUM IN GROUND WATER IN THE MISSISSIPPI RIVER AREA: PRICE, Van Jr, Columbia, SC 29212, vanprice@bellsouth.net and GUSTAVSON, John B., Boulder, CO 80305
77-79:45 AM EVIDENCE OF MICROBIALLY MEDIATED ARSENIC MOBILIZATION FROM SEDIMENTS OF THE AQUIA AQUIFER, MARYLAND, USA: PEARCY, Christine, Department of Earth and Environmental Sciences, Tulane University, 101 Blessey Hall, New Orleans, LA 70118 and JOHANNESSON, Karen, Department of Earth and Environmental Sciences, Tulane University, 101 Blessey Hall, New Orleans, LA 70118-5698, kjohanne@tulane.edu
 10:05 AM Break
77-910:20 AM STUDY OF GEOTHERMAL WATER-GROUNDWATER INTERACTION AND EVOLUTION IN THERMAL FIELDS OF COSTA RICA: HAMMARLUND, Lotta1, PIÑONES, Juan1, BHATTACHARYA, Prosun2, MUKHERJEE, Abhijit3, NORDSTROM, D. Kirk4, BUNDSCHUH, Jochen5, and ALVARADO, Guillermo E.6, (1) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Stockholm, SE-100 44, Sweden, (2) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden, prosun@kth.se, (3) Bureau of Economic Geology, University of Texas at Austin/Alberta Geological Survey, amukh2@gmail.com, Edmonton, T6B 2X3, Canada, (4) U.S. Geol Survey, 3215 Marine Street, Suite E-127, Boulder, CO 80303, (5) Depatment of Earth Sciences, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan, (6) Área de Amenazas y Auscultación Sísmica y Volcánica, Instituto Costarricense de Electricidad, Escuela Centroamericana de Geología, Apdo. 35, San Jose, 1000, Costa Rica
77-810:20 AM Paper Withdrawn
77-1010:35 AM ARSENIC DISTRIBUTION IN SURFACE WATER AND SEDIMENTS IN THE BOLIVIAN CENTRAL HIGHLAND: GARCÍA, María1, ORMACHEA, Mauricio1, QUINTANILLA, Jorge1, and BENGTSSON, Lars V2, (1) Instituto de Investigaciones Químicas, Universidad Mayor de San Andrés, Campus Universitario, Calle 27, Cota Cota, La Paz, 303, Bolivia, maugegarcia@hotmail.com, (2) Water resources Engineering, Lund University, Ericsson 12, Lund, 12220, Sweden
77-1110:50 AM ARSENIC OCCURRENCE IN SHALLOW GROUNDWATER IN THE CENTRAL BOLIVIAN ALTIPLANO: ORMACHEA, Mauricio1, RAMOS, Oswaldo1, GARCÍA, María1, QUINTANILLA, Jorge1, BHATTACHARYA, Prosun2, THUNVIK, Roger2, and SRACEK, Ondra3, (1) Instituto de Investigaciones Químicas, Universidad Mayor de San Andrés, Campus Universitario, Calle 27, Cota Cota, La Paz, 303, Bolivia, ormachea@kth.se, (2) KTH-International Groundwater Arsenic Research Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Teknikringen 76, Stockholm, SE-10044, Sweden, (3) Ochrana podzemních vod, OPV s.r.o.; Protection of Ground Water Ltd, Praha 6, Prague, 169 00, Czech Republic
77-1211:05 AM GEOCHEMISTRY AND MICROBIOLOGY OF ARSENIC IN EL TATIO GEYSER FIELD, CHILE: JOHNSON, Lindsey Renee1, ENGEL, Annette Summers1, ROY, Amitava2, and MERCHAN, Gregory2, (1) Dept of Geology and Geophysics, Louisiana State University, E235 Howe-Russell Bldg, Baton Rouge, LA 70803, ljohn45@lsu.edu, (2) J. Bennett Johnston, Sr., Center for Advanced Microstructures and Devices, Louisiana State University, Baton Rouge, LA 70806
77-1311:20 AM ARSENIC ASSOCIATION IN SEDIMENTS FROM SHALLOW AQUIFERS OF NORTHWESTERN HETAO BASIN, NORTHERN CHINA: DENG, Yamin, WANG, Yanxin, MA, Teng, YANG, Hui, and HE, Jun, Key Laboratory of Biogeology and Environmental Geology of Ministry of Education, China University of Geosciences, 388 Lumo Road, Wuhan City, Hubei Province, P. R. China, Wuhan, 430074, China, yaduoduo@gmail.com
 11:35 AM Discussion

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