2005 Salt Lake City Annual Meeting (October 16–19, 2005)
Session No. 82 Monday, 17 October 2005
8:00 AM-12:00 PM, Salt Palace Convention Center: 257

T118. The Peña Blanca Uranium District, Chihuahua: A Natural Analogue for the Transport of Radionuclides in a Nuclear Waste Repository in Unsaturated, Welded Tuff I

Ardyth M. Simmons and Patrick F. Dobson, Presiding
 Paper #Start Time
82-18:00 AM NATURAL ANALOGUE STUDIES AT PEÑA BLANCA, MEXICO: SIMMONS, Ardyth M., ENV-ECR, Los Alamos National Laboratory, P.O. Box 1663, MS-D446, Los Alamos, NM 87501, asimmons@lanl.gov
82-28:15 AM STRATIGRAPHY OF THE PB-1 WELL, NOPAL I URANIUM DEPOSIT, SIERRA PEÑA BLANCA, CHIHUAHUA, MEXICO: DOBSON, Patrick F.1, GOODELL, Philip C.2, FAYEK, Mostafa3, MELCHOR, Felipe4, MURRELL, Michael T.5, SIMMONS, Ardyth6, REYES-CORTÉS, Ignacio A.7, DE LA GARZA, Rodrigo7, and OLIVER, Ronald D.8, (1) Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, Berkeley, CA 94720, pfdobson@lbl.gov, (2) Dept. of Geological Sciences, Univ of Texas at El Paso, El Paso, TX 79968, (3) Earth and Planetary Sciences, Univ of Tennessee, 306 Geology Bldg, Knoxville, TN 37996, (4) PetroLab, E. Bocanegra No. 2926, Chihuahua, 31240, Mexico, (5) Isotope and Nuclear Chemistry, Group C-INC, Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87545, (6) Los Alamos National Laboratory, P.O. Box 1663, MS-D446, Los Alamos, NM 87545, (7) Ingeniería Geológica, Universidad Autónoma de Chihuahua, Facultad de Ingeniería, Nuevo Campus Universitario, Apartado Postal 1528 Sucursal "C", Chihuahua, 31160, Mexico, (8) EES-7, Los Alamos National Labaratory, 1261 Town Center Drive, Las Vegas, NV 89134
82-38:30 AM STRUCTURAL ANALYSIS OF THE NOPAL I URANIUM DEPOSIT, PEÑA BLANCA, MEXICO: SAUCEDO, Alba, Facultad de Ingenieria/Earth and Planet. Sci, Universidad Autonoma de Chihuahua/Univ. Tennessee, Circuito Uno, Nuevo Campus Universitario, Chihuahua, 31302, Mexico, ablazulge@yahoo.es, FAYEK, Mostafa, Earth and Planetary Sciences, Univ of Tennessee, 306 Geology Bldg, Knoxville, TN 37996, REYES, Ignacio A., Universidad Autónoma de Chihuahua, Chihuahua, Mexico, DOBSON, Patrick F., Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, Berkeley, CA 94720, and GOODELL, Philip C., Geological Sciences, Univ of Texas @ El Paso, El Paso, TX 79968
82-48:45 AM CHARACTERIZATION OF FRACTURES AT THE NOPAL I SITE AND COMPARISON TO FRACTURE CHARACTERISTICS OF YUCCA MOUNTAIN, NEVADA: LESLIE, Bret W., Division of High-Level Waste Repository Safety, U.S. Nuclear Regulatory Commission, MS T-7F3, Washington, DC 20555-0001, bwl@nrc.gov, SMART, Kevin J., Department of Earth, Material, and Planetary Sciences, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78238-5166, and PEARCY, English C., Center for Nuclear Waste Regulatory Analyses, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78238-5166
82-59:00 AM REGIONAL HYDROLOGY OF THE NOPAL I SITE, SIERRA DE PEÑA BLANCA, CHIHUAHUA, MEXICO: RODRÍGUEZ-PINEDA, J. Alfredo1, GOODELL, Philip2, DOBSON, Patrick F.3, WALTON, John4, OLIVER, Ronald D.5, DE LA GARZA, Rodrigo6, and HARDER, Steve2, (1) Centro de Investigación Sobre Sequía, Instituto de Ecología, A.C, Km. 33.3, Carretera Chihuahua-Ojinaga, Aldama, Chih, 32900, Mexico, alfredo@sequia.edu.mx, (2) Geological Sciences, Univ of Texas at El Paso, El Paso, TX 79968, (3) Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, (4) Dept. of Civil Engineering, Univ. Texas at El Paso, El Paso, TX 79968, (5) EES-7, Los Alamos National Laboratory, 1261 Town Center Drive, Las Vegas, NV 89134, (6) Universidad Autónoma de Chihuahua, Chihuahua, Mexico
82-69:20 AM ORIGIN OF URANIUM IN THE PEÑA BLANCA URANIUM DISTRICT, CHIHUAHUA, MEXICO: REYES-CORTÉS, Ignacio A.1, GOODELL, Philip C.2, REYES-CORTÉS, Manuel1, MONTERO, María Elena3, and CHÁVEZ-AGUIRRE, Rafaél1, (1) Ingeniería Geológica, Universidad Autónoma de Chihuahua, Facultad de Ingeniería, Nuevo Campus Universitario-Apartado Postal 1528 Sucursal "C", Chihuahua, Chihuahua, 31160, Mexico, ireyes@uach.mx, (2) Geological Sciences, Univ of Texas @ El Paso, El Paso, TX 79968, (3) Ambiental, Centro de Investigaciones en Materiales Avanzados, Chihuahua, Chihuahua, 31250, Mexico
82-79:40 AM GEOCHRONOLOGY AND FLUID-ROCK INTERACTION ASSOCIATED WITH THE NOPAL I URANIUM DEPOSIT, PEÑA BLANCA, MEXICO: FAYEK, Mostafa, Earth and Planetary Sciences, Univ of Tennessee, 306 Geology Bldg, Knoxville, TN 37996, mfayek@utk.edu, GOODELL, Phillip, Geology, UTEP, 500 W. University Dr, El Paso, TX 79968, REN, Minghua, Department of Geological Sciences, Univ of Texas at El Paso, 500 W. University Ave, El Paso, TX 79968, and SIMMONS, Ardyth, Los Alamos Natl. Lab, Bikini Atoll Rd., SM 30, Los Alamos, NM, NM 87545
 9:55 AM Break
82-810:10 AM PHASE ANALYSES OF URANIUM BEARING MINERALS FROM THE NOPLA I DEPOSIT, PEÑA BLANCA, MEXICO: REN, Minghua1, GOODELL, Philip C.1, KELTS, Aaron B.1, FAYEK, Mostafa2, FAN, Chaojun1, and BESHEARS, Charles1, (1) Dept. of Geological Sciences, Univ of Texas at El Paso, El Paso, TX 79968, ren@geo.utep.edu, (2) Earth and Planetary Sciences, Univ of Tennessee, 306 Geology Bldg, Knoxville, TN 37996
82-910:25 AM THERMODYNAMICS OF HYDROTHERMAL URANYL MINERAL FORMATION AT NOPAL I: MURPHY, William M.1, PRIKRYL, James2, and PICKETT, David A.2, (1) Department of Geological and Environmental Sciences, California State University, Chico, CA 95929, WMurphy@csuchico.edu, (2) Center for Nuclear Waste Regulatory Analyses, Southwest Research Institute, 6220 Culebra Rd, San Antonio, TX 78238
82-1010:40 AM DOSIMETRY USING RADIATION-INDUCED DEFECTS IN KAOLINITE FROM THE PENA BLANCA NATURAL ANALOGUE: A TIME-INTEGRATED ASSESSMENT OF THE TRANSFER OF RADIONUCLIDES: CALAS, Georges and ALLARD, Thierry, Institut de Minéralogie et de Physique des milieux condensés, University of Paris, Case 115, 4 Place Jussieu, Paris, 75252, France, calas@lmcp.jussieu.fr
82-1111:00 AM INITIAL TEST WELL CONDITIONING AT NOPAL I URANIUM DEPOSIT, SIERRA PEÑA BLANCA, CHIHUAHUA, MEXICO: OLIVER, Ronald D.1, DINSMOOR, John C.1, GOLDSTEIN, Steven J.2, REYES-CORTÉS, Ignacio A.3, and DE LA GARZA, Rodrigo4, (1) EES-7, Los Alamos National Laboratory, 1261 Town Center Drive, Las Vegas, NV 89134, Ron_oliver@ymp.gov, (2) C-INC, Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87545, (3) Ingeniería Geológica, Universidad Autónoma de Chihuahua, Facultad de Ingeniería, Nuevo Campus Universitario-Apartado Postal 1528 Sucursal, Chihuahua, 31160, Mexico, (4) Universidad Autónoma de Chihuahua, Chihuahua, Mexico
82-1211:15 AM URANIUM ELEMENTAL AND ISOTOPIC CONSTRAINTS ON GROUNDWATER FLOW BENEATH THE NOPAL I URANIUM DEPOSIT, PEÑA BLANCA, MEXICO: GOLDSTEIN, Steven J.1, MURRELL, Michael T.1, and SIMMONS, Ardyth M.2, (1) Isotope and Nuclear Chemistry, Group C-INC, Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87545, sgoldstein@lanl.gov, (2) Group ENV-ECR, Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87545
82-1311:30 AM IN-SITU RADIONUCLIDE TRANSPORT NEAR THE NOPAL I URANIUM DEPOSIT AT PEÑA BLANCA, MEXICO: CONSTRAINTS FROM SHORT-LIVED DECAY-SERIES RADIONUCLIDES: LUO, Shangde1, KU, T.L.2, TODD, V.2, MURRELL, M.T.3, RODRÍGUEZ, J.A.4, DINSMOOR, J.C.3, and MITCHELL, A.J.3, (1) Department of Earth Sciences, National Cheng-Kung University, 1 University Road, Tainan, 701, Taiwan, sluo@mail.ncku.edu.tw, (2) Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740, (3) Los Alamos National Laboratory, Los Alamos, NM 87545, (4) Centro de Investigación Sobre Sequía del Instituto de Ecología, Aldama, 32900, Mexico
82-1411:45 AM MODELING URANIUM TRANSPORT IN UNSATURATED ZONE AT PEÑA BLANCA, MEXICO: KU, Teh-Lung1, LUO, Shangde1, MURRELL, M.T.2, and GOLDSTEIN, Steven J.3, (1) Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740, rku@usc.edu, (2) Los Alamos National Laboratory, Los Alamos, NM 87545, (3) C-INC, Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87545

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