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| | 8:00 AM | Introductory Remarks |
| 188-1 | 8:10 AM | THE ATACAMA DESERT NORTHERN CHILE: ITS GEOLOGICAL SETTING AND RELATIONSHIP WITH MICROORGANISMS: CHONG, Guillermo1, DEMERGASSO, Cecilia2, and ECHEVERRÍA, Elex2, (1) Departamento de Ciencias Geologicas, Universidad Catolica del Norte, Angamos 0610, Antofagasta, Chile, gchong@ucn.cl, (2) Centro de Biotecnología A. Ruiz, Universidad Católica del Norte, Antofagasta, Chile |
| 188-2 | 8:30 AM | EVOLUTION OF THE LANDFORMS ACROSS WHICH THE ATACAMA DESERT IS DRAPED, 20°-24°S LATITUDE: JORDAN, Teresa E.1, BLANCO, Nicolás2, DÁVILA, Federico3, HOKE, Gregory D.4, MPODOZIS, Constantino5, NESTER, Peter1, and TOMLINSON, Andrew6, (1) Earth and Atmospheric Sciences, Cornell University, Snee Hall, Ithaca, NY 14853-1504, tej1@cornell.edu, (2) SERNAGEOMIN, Santa María 0104, Casilla 10465, Santiago, Chile, (3) Cátedra de Estratigrafía y Geología Histórica, Universidad Nacional de Córdoba, Av. Velez Sarsfield 1611, Córdoba, 5000, Argentina, (4) Department of Earth and Environmental Science, University of Rochester, 227 Hutchinson Hall, Rochester, NY 14627, (5) SIPETROL SA, Vitacura 2736, Santiago, 6760421, Chile, (6) Servicio Nacional de Geología y Minería, Avda. Santa María 0104, Santiago, Chile |
| 188-3 | 8:45 AM | LATE QUATERNARY CLIMATE AND VEGETATION CHANGES IN THE ATACAMA DESERT, NORTHERN CHILE: THE RODENT MIDDEN RECORD: LATORRE, Claudio, CASEB/Departmento de Ecologia, Pontificia Universidad Catolica de Chile, & Institute of Ecology and Biodiversity, Casilla 653, Santiago, 6513677, Chile, clatorre@bio.puc.cl, MALDONADO, Antonio, CEAZA, Universidad de la Serena, Colina del Pino s/n, La Serena, Casilla 599, Chile, and BETANCOURT, Julio L., Desert Laboratory, U.S. Geol Survey, 1675 W. Anklam Rd, Tucson, AZ 85745 |
| | 9:00 AM | Break |
| 188-4 | 9:15 AM | LATE PLEISTOCENE ORGANIC REMAINS IN PAMPA DEL TAMARUGAL, NORTHERN CHILE (21OS): IMPLICATIONS FOR PAST PRECIPITATION CHANGES IN THE WESTERN PRECORDILLERA: NESTER, Peter L.1, LATORRE, Claudio H.2, GAYO, Eugenia M.2, JORDAN, Teresa E.1, and BLANCO, Nicolás3, (1) Earth and Atmospheric Sciences, Cornell University, Snee Hall, Ithaca, NY 14853-1504, pn21@cornell.edu, (2) Departmento de Ecologia, Universidad Catolica de Chile, Santiago, 114-D, Chile, (3) SERNAGEOMIN, Santa María 0104, Casilla 10465, Santiago, Chile |
| 188-5 | 9:30 AM | HILLSLOPE PROCESSES AND FORM IN THE HYPERARID ATACAMA: LEGACIES, BOUNDARY CONDITIONS, CLIMATIC FLUCTUATIONS, AND SALT: DIETRICH, William E.1, OWEN, Justine2, AMUNDSON, Ronald3, NISHIIZUMI, Kuni4, CHONG, Guillermo5, and EWING, Stephanie2, (1) Earth & Planetary Science, Univ of California, Berkeley, 307 McCone Hall, Berkeley, CA 94720, bill@eps.berkeley.edu, (2) Div. of Ecosytem Sciences, Univ. of California, 151 Hilgard Hall, Berkeley, CA 94720-3110, (3) Division of Ecosytem Sciences, University of California, 137 Mulford Hall, Berkeley, CA 94720, (4) Space Scienes Laboratory, UC Berkeley, Berkeley, CA 94720, (5) Departamento de Ciencias Geologicas, Universidad Catolica del Norte, Angamos 0610, Antofagasta, Chile |
| 188-6 | 9:50 AM | LONG-TERM EROSION RATES DERIVED FROM RECONSTRUCTION OF A 10 MA DEPOSITIONAL SURFACE, NORTHERN CHILE: HOKE, Gregory D., Earth and Environmental Sciences, University of Rochester, 227 Hutchinson Hall, Rochester, NY 14627, gdhoke@earth.rochester.edu, ISACKS, Bryan L., Department of Earth and Atmospheric Sciences, Cornell University, Snee Hall, Ithaca, NY 14853, and JORDAN, Teresa E., Earth and Atmospheric Sciences, Cornell University, Snee Hall, Ithaca, NY 14853-1504 |
| 188-7 | 10:05 AM | MULTIPLE COSMOGENIC NUCLIDES AND LANDSCAPE EVOLUTION IN THE ATACAMA DESERT, NORTHERN CHILE: KOBER, Florian1, IVY-OCHS, Susan2, SCHLUNEGGER, Fritz3, ZEILINGER, Gerold4, KUBIK, Peter W.5, BAUR, Heinrich6, and WIELER, Rainer6, (1) Geology, ETH Zurich, Haldenbachstr. 44, Zurich, 8092, Switzerland, kober@erdw.ethz.ch, (2) Particle Physics/Institute of Geography, ETH Zurich/University of Zurich, Hoenggerberg, HPK, Zurich, 8093, Switzerland, (3) Geological Sciences, University of Bern, Baltzerstrasse 1, Bern, 3012, Switzerland, (4) Geowissenschaften, University of Potsdam, Postfach 60 15 53, Potsdam, 14415, Germany, (5) Paul Scherrer Institute c/o Institute of Particle Physics, HPH H30, ETH Hoenggerberg, Zurich, CH-8093, Switzerland, (6) Institute for Isotope Geology and Mineral Resources, ETH, Zurich, 8092, Switzerland |
| 188-8 | 10:25 AM | THE ARID TO HYPERARID HYDROLOGICAL INTERFACE ON EARTH: A BIOGEOCHEMICAL THRESHOLD: AMUNDSON, Ronald1, EWING, Stephanie2, OWEN, Justine2, DIETRICH, William3, NISHIIZUMI, Kunihiko4, CHONG, Guillermo5, and MCKAY, Chris6, (1) Division of Ecosytem Sciences, University of California, 137 Mulford Hall, Berkeley, CA 94720, earthy@nature.berkeley.edu, (2) Div. of Ecosytem Sciences, Univ. of California, 151 Hilgard Hall, Berkeley, CA 94720-3110, (3) Earth & Planetary Science, Univ of California, Berkeley, 307 McCone Hall, Berkeley, CA 94720, (4) Space Sciences Laboratory, University of California, 7 Gauss Way, Berkeley, CA 94720, (5) Departamento de Ciencias Geologicas, Universidad Catolica del Norte, Angamos 0610, Antofagasta, Chile, (6) Space Science Division, NASA Ames Research Center, MS245-3, Moffett Field, CA 94035 |
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