Backbone of the Americas—Patagonia to Alaska, (3–7 April 2006)

Session No. 13
Thursday, 6 April 2006: 2:00 PM-7:30 PM

T4. Triple Junction Regions III

 

Paper #
Start Time
1
2:00 PM
PULL-APART BASINS ALONG THE CONTINENTAL TRANSFORM FAULTS IN THE CENTRAL AND SOUTH AMERICA
LODOLO, Emanuele, 2 Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), P.O. Box 2011, 34016 Trieste, Trieste, 34016, Italy and MENICHETTI, Marco, Istituto di Geodinamica e Sedimentologia, Universite di Urbino, Campus universitario, Urbino, 61029, Italy, menichetti@urbino.it, menichetti@urbino.it
2
2:20 PM
MANTLE PROCESSES ASSOCIATED WITH NEOGENE RIDGE SUBDUCTION AND PLATEAU MAGMATISM IN THE SOUTHERN PATAGONIAN ANDES
GORRING, Matthew L., Department of Earth and Environmental Studies, Montclair State University, Montclair, NJ 07043, KAY, Suzanne Mahlburg, INSTOC, Cornell University, Department of Earth and Atmospheric Sciences, Snee Hall, Cornell University, Ithaca, NY 14853 and RAMOS, Victor A., Laboratorio de Tectónica Andina, FCEN, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, Buenos Aires, 1428, Argentina, gorringm@mail.montclair.edu, gorringm@mail.montclair.edu
3
2:40 PM
MIO-PLIOCENE MAGMATIC VARIABILITY IN THE CENTRAL PATAGONIA BACK-ARC REGION (47º5'S)
ESPINOZA, Felipe, Departamento de Geología, Universidad de Chile, Plaza Ercilla 803, Santiago, 13518-21, Chile, MORATA, Diego, Departamento de Geología, UNiversidad de Chile, Plaza Ercilla 803, Santiago, 13518-21, Chile, POLVÉ, Mireille, LMTG - UMR 5563, Observatoire Midi-Pyrénées, 14, avenue Edouard Belin 31400, Toulouse, France, MAURY, René C., UMR 6538 "Domaines océaniques", UBO-IUEM, Place Nicolas Copernic, Plouzané, 29280, France, COTTEN, Joseph, UMR 6538, Domaines Océaniques, UBO/IUEM-CNRS, 6, Av. Le Gorgeu, Brest, 29285, France, BELLON, Hervé, UMR 6538, Domaines Océaniques, UBO/IUEM-CNRS, 6, Av. Le Gorgeu, C.S. 93837, 29238 Brest Cedex 3, Brest, 29285, France, GUIVEL, Christele, UMR CNRS 6112, Laboratoire de Planétologie et Géodynamique, Université de Nantes, 2 rue de la Houssinière, B.P. 92208, Nantes, 44322, LAGABRIELLE, Yves, CNRS-UMR Dynamique de la Lithosphère, Université de Montpellier 2, CC 60, Place Eugène Bataillon, Montpellier Cedex5, 34095, France, SUAREZ, Manuel, Servicio Nacional de Geología y Minería, Avenida Santa María 0104, Providencia, Santiago, 13518-21, Chile and ROSSELLO, Eduardo, Departamento de Ciencias Geológicas, CONICET - Area Geología Económica, Universidad de Buenos Aires, Pabellón II, Piso 1°, Ciudad Universitaria, Buenos-Aires, C1428EHA, Argentina, feespino@ing.uchile.cl, feespino@ing.uchile.cl
4
3:00 PM
EVIDENCE OF A TRANSFORM TYPE MARGIN DURING THE PALEOGENE FROM 38° S TO 44°S LATITUDE IN THE SOUTHERN ANDES
ARAGÓN, Eugenio, Centro de Investigaciones Geológicas, UNLP-CONICET, Calle 1 N° 644, La Plata, 1900, Argentina, earagon@cig.museo.unlp.edu.ar, earagon@cig.museo.unlp.edu.ar
5
3:20 PM
STABLE ISOTOPE SYSTEMATIC OF THE TORRES DEL PAINE INTRUSIVE COMPLEX (PATAGONIA, CHILE)
PUTLITZ, Benita, Institute for Mineralogy and Geochemistry, University of Lausanne, Bâtiment Humense, Lausanne, 1015, Switzerland, BAUMGARTNER, Lukas P., Institut of Mineralogy and Geochemistry, University of Lausanne, Lausanne, 1015, Switzerland and MICHEL, Juergen, Institute of Mineralogy, University of Lausanne, Bâtiment Humense, Lausanne, 1015, Switzerland, benita.putlitz@unil.ch, benita.putlitz@unil.ch
 
3:40 PM
Break
6
4:00 PM
CLIMATIC AND ECOLOGIC CHANGES DURING MIOCENE SURFACE UPLIFT IN THE SOUTHERN PATAGONIAN ANDES
BLISNIUK, Peter M., Institut fuer Geowissenschaften, Universitaet Potsdam, Karl-Liebknecht-Strasse 24/25, Golm, 14476, Germany, STERN, Libby A., Department of Geological Sciences, University of Texas at Austin, Austin, TX 78712-1101, CHAMBERLAIN, C. Page, Department of Geological and Environmental Sciences, Stanford University, Stanford, CA 94305-2115, ZEITLER, Peter K., Department of Earth & Environmental Sciences, Lehigh University, Bethlehem, PA 18015 and STRECKER, Manfred R., Institut fuer Geowissenschaften, Universitaet Potsdam, Golm, 14476, Germany, blisniuk@rz.uni-potsdam.de, blisniuk@rz.uni-potsdam.de
7
4:20 PM
HAS THE RECENT TECTONIC HISTORY OF PATAGONIA EQUIPPED IT WITH AN ANOMALOUS VISCOELASTIC RESPONSE TO CHANGING ICE LOADS?
BEVIS, Michael G.1, KENDRICK, Eric2, ZHOU, Hao1, SMALLEY Jr, Robert3, CASASSA, Gino4, PARRA, Hector5 and LAURIA, Eduardo6, (1)Geological Sciences, Ohio State University, 275 Mendenhall Laboratory, 125 South Oval, Columbus, OH 43212, (2)Geodetic Science, Ohio State University, 470 Hitchcock Hall, 2070 Neil Ave, Columbus, OH 43210, (3)Center for Earthquake Research and Information, University of Memphis, 3876 Central Ave, Suite 1, Memphis, TN 38152, (4)Glaciología y Cambio Climático, Centro de Estudios Científicos, Av. Prat 514, Valdivia, Chile, (5)Instituto Geográfico Militar, Nueva Santa Isabel 1640, Santiago, Chile, (6)Instituto Geográfico Militar, Cabildo 381, Buenos Aires, Argentina, mbevis@osu.edu, mbevis@osu.edu
8
4:40 PM
LATE CENOZOIC EROSIONAL HISTORY OF THE PATAGONIAN ANDES: A KEY TO UNDERSTANDING THE IMPORTANCE OF CLIMATE CHANGE AND GLACIAL EROSION IN CONTROLLING MOUNTAIN DEVELOPMENT
THOMSON, Stuart N.1, TOMKIN, Jonathan H.2, BRANDON, Mark T.1 and REINERS, Peter W.1, (1)Geology and Geophysics, Yale University, New Haven, CT 06511, (2)Department of Geology and Geography, Louisiana State University, Baton Rouge, LA 70803, stuart.thomson@yale.edu, stuart.thomson@yale.edu
9
5:00 PM
LONG-TERM GLACIAL EROSION RATES AND MAGNITUDES: INSIGHTS FROM SOUTHWEST BRITISH COLUMBIA AND IMPLICATIONS FOR THE PATAGONIAN ANDES
EHLERS, Todd A.1, RUSMORE, Margaret E.2, FARLEY, Kenneth A.3, WOODSWORTH, Glenn J.4 and DENSMORE, Mathew S.1, (1)Geological Sciences, University of Michigan, 2534 C.C. Little Building, 1100 North University, Ann Arbor, MI 48109-1005, (2)Department of Geology, Occidental College, Los Angeles, CA 90041, (3)Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, (4)Geol Survey of Canada, 101-605 Robson Street, Vancouver, BC V6B 5J3, tehlers@umich.edu, tehlers@umich.edu
10
5:20 PM
TECTONICS IN THE ANDES OF THE TIERRA DEL FUEGO ISLAND – SOUTHERMOST SOUTH AMERICA
MENICHETTI, Marco, Istituto di Geodinamica e Sedimentologia, Universite di Urbino, Campus universitario, Urbino, 61029, Italy, CENNI, Marco, Istituto di Geodinamica e Sedimentologia, Università di Urbino, Campus Scientifico, Urbino, 61029, Italy, TASSONE, Alejandro, Dpto. Ciencias Geológicas Instituto de Geofisica “Daniel A. Valencio”, Universidad de Buenos Aires-CONICET, FCEN Pabellón 2, entrepiso. (1428) Ciudad autónoma de Buenos Aires, Argentina, Capital, 1428, Argentina and LODOLO, Emanuele, 2 Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), P.O. Box 2011, 34016 Trieste, Trieste, 34016, Italy, menichetti@urbino.it, menichetti@urbino.it
 
5:40 PM
Posters and Refreshments
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