4 T4. Triple Junction Regions I

Presentations

• 10:35 AM
  POST-PLIOCENE DEFORMATION AND UPLIFT OF THE PATAGONIAN ANDES IN RESPONSE TO THE SUBDUCTION OF THE ACTIVE CHILE SPREADING RIDGE (CSR)
  Yves Lagabrielle, Université de Montpellier 2, Montpellier Cedex5, N/A and Manuel Suarez, Santiago, N/A and Hervé Bellon, UBO/IUEM-CNRS, Brest, N/A and Felipe Espinoza, Universidad de Chile, Santiago, N/A and Christele Guivel, Université de Nantes, Nantes, N/A and Jacques Malavieille, Université de Montpellier 2, Montpellier Cedex5, N/A and René Maury, Université de Bretagne Occidentale, Brest, N/A and Diego Morata, UNiversidad de Chile, Santiago, N/A and Mireille Polvé, Observatoire Midi-Pyrénées, Toulouse, N/A and Eduardo Rossello, CONICET - Area Geología Económica, UNIVERSIDAD DE BUENOS AIRES, Buenos-Aires, N/A
  100049 (SUBMIT ABSTRACT)
• 10:35 AM
  NEW INSIGHTS ABOUT THE INTERACTION OF THE PACIFIC-FARALLON SPREADING CENTER WITH THE BAJA CALIFORNIA SUR CONTINENTAL MARGIN
  François Michaud, Géosciences Azur and Escuela Politecnica Nacional, Departamento de Geologia, (Ecuador), Villefranche sur Mer, N/A and Bertrand Sichler, Ifremer, Plouzané, N/A and Jean Yves Royer, UBO/IUEM-CNRS, Plouzane, N/A and Jacques Bourgois, Institut pour la Recherche et le Développement, Quito, N/A and Jérôme Dyment, Institut de Physique du Globe de Paris, Paris, N/A and Thierry Calmus, Universidad Nacional Autónoma de México, Hermosillo, N/A and William Bandy, UNAM, Mexico, N/A and Carlos Mortera, UNAM, Mexico, N/A and M. Sosson, Géosciences Azur, Valbonne, N/A and Florence Bigot-Cormier, Géosciences Azur, Valbonne, N/A
  100203 (SUBMIT ABSTRACT)
• 10:35 AM
  LATE CENOZOIC MOVEMENT ASSOCIATED WITH THE ARC-PARALLEL LIQUINE-OFQUI FAULT ZONE AND THE CHILE TRIPLE JUNCTION DOCUMENTED BY ACOUSTIC PROFILING OF SHALLOW MARINE AND LACUSTRINE DEPOSITS OF SOUTHERN CHILE
  Randall D. Forsythe, Charlotte, NC and John A. Diemer, University of North Carolina at Charlotte, Charlotte, NC
  100225 (SUBMIT ABSTRACT)
• 10:35 AM
  CHARACTERIZING SUBDUCTION OF ACTIVE SPREADING RIDGES IN THE ANCIENT GEOLOGIC RECORD. A CASE STUDY FROM THE VARISCAN OROGENY
  Manuel Díaz Azpiroz, Universidad Pablo de Olavide, Seville, N/A and Carlos Fernández, Universidad de Huelva, Huelva, N/A and Antonio Castro, Universidad de Huelva, Huelva, N/A
  101123 (SUBMIT ABSTRACT)
• 10:35 AM
  POST-EOCENE IGNEOUS AND TECTONIC EFFECTS OF SPREADING CENTER SUBDUCTION UNDER SOUTHEAST ALASKA
  S.M. Karl, U.S. Geological Survey, Anchorage, AK and P.J. Haeussler, U.S. Geological Survey, Anchorage, AK and Richard M. Friedman, Univ. British Columbia, Vancouver, BC and P.W. Layer, Geophysical Institute, University of Alaska, Fairbanks, AK and C.L. Zumsteg, University of Missouri, Columbia, MO and Tim S. White, The Pennsylvania State Univ, University Park, PA
  101275 (SUBMIT ABSTRACT)
• 10:35 AM
  SOUTHWESTERN NORTHAMERICAN IMPLICATIONS OF THE TRIPLE JUNCTION MODEL FOR THE GULF OF MEXICO
  Jaime Rueda-Gaxiola, Unidad de Ciencias de la Tierra-ESIA.IPN, México, D.F, N/A
  101280 (SUBMIT ABSTRACT)
• 10:35 AM
  BROAD-SCALE VELOCITY MODEL FOR THE GULF OF CALIFORNIA REGION (MEXICO)
  Francesca Di Luccio, Istituto Nazionale di Geofisica e Vulcanologia, Rome, N/A and Robert W. Clayton, California Institute of Technology, Pasadena, CA
  101308 (SUBMIT ABSTRACT)
• 10:35 AM
  FINITE-ELEMENT MODEL RESULTS FOR CHILE RIDGE TRIPLE JUNCTION AND SOUTH AMERICAN EXTENSION: STRESS TRANSFER ACROSS A SUBDUCTION ZONE
  Gina M. Applebee, College of Charleston, Charleston, SC and Erin K. Beutel, College of Charleston, Charleston, SC
  101335 (SUBMIT ABSTRACT)
• 10:35 AM
  INITIAL DATA ON THE GEOCHEMISTRY OF THE TORRES DEL PAINE LACCOLITH
  Juergen Michel, University of Lausanne, Lausanne, N/A and Lukas P. Baumgartner, University of Lausanne, Lausanne, N/A and François Bussy, University of Lausanne, Lausanne, N/A and Benita Putlitz, University of Lausanne, Lausanne, N/A
  101381 (SUBMIT ABSTRACT)
• 10:35 AM
  A GEOCHEMICAL INVESTIGATION OF THE WOODLARK RIDGE-SOLOMON ISLANDS ARC TRIPLE JUNCTION
  John Chadwick, University of North Carolina, Charlotte, NC and Michael Perfit, University of Florida, Gainesville, FL and Claire Chadwick, University of North Carolina, Charlotte, NC
  101396 (SUBMIT ABSTRACT)
• 10:35 AM
  RIDGE SUBDUCTION VOLCANISM IN THE ZEBALLOS COMPLEX, SOUTHERN PATAGONIAN ANDES
  Michael DaSilva, Montclair State University, Montclair, NJ and Matthew L. Gorring, Montclair State University, Montclair, NJ and Bradley Singer, Univ of Wisconsin, Madison, WI and Laurie Brown, Univ Massachusetts - Amherst Dept Geosciences- Morrill Sci Ctr, Amherst, MA
  101421 (SUBMIT ABSTRACT)
• 10:35 AM
  GEOCHEMISTRY OF NEW SAMPLES FROM ISLA COOK, AUSTRAL VOLCANIC ZONE, CHILE
  Scott T. Dreher, University of Durham, Durham, N/A and Osvaldo M. Rabbia, Universidad de Concepción, Concepción, N/A
  101426 (SUBMIT ABSTRACT)
• 10:35 AM
  SEISMICITY PATTERNS AND HIGH RESOLUTION BATHYMETRY DEFINE ACTIVE STRUCTURES ON THE YAKUTAT MICROPLATE SHELF AND SLOPE, ALASKA
  Lindsay A. Lowe, University of Texas, Austin, Austin, TX and Sean PS. Gulick, University of Texas, Austin, Austin, TX and Paul Mann, Univ of Texas at Austin, Austin, TX and Jeffrey T. Freymueller, University of Alaska, Fairbanks, AK and Terry Pavlis, Univ of New Orleans, New Orleans, LA
  101471 (SUBMIT ABSTRACT)
• 10:35 AM
  THE GEOLOGY OF THE TORRES DEL PAINE LACCOLITH, S-CHILE
  Lukas P. Baumgartner, University of Lausanne, Lausanne, N/A and Juergen Michel, University of Lausanne, Lausanne, N/A and Bastian Darbellay, University of Lausanne, Lausanne, N/A and Benita Putlitz, University of Lausanne, Lausanne, N/A and Martin Robyr, University of Lausanne, Lausanne, N/A
  101489 (SUBMIT ABSTRACT)
• 10:35 AM
  EVIDENCE FOR EARLY TERTIARY RIDGE SUBDUCTION ALONG THE SOUTHERN ALAKSAN MARGIN
  Leland James O'Driscoll, University of New Orleans, New Orleans, LA
  101494 (SUBMIT ABSTRACT)
• 10:35 AM
  IMPLICATIONS FOR THE TRANSITION FROM OLIGO-MIOCENE SUBDUCTION TO LATE MIOCENE TRANSTENSION IN SOUTHERN SONORA, MEXICO FROM IGNEOUS GEOCHEMISTRY
  Christy Till, UCSB, Santa Barbara, CA and Phillip B. Gans, University of California, Santa Barbara, CA and Frank Spera, Univ of California, Santa Barbara, CA
  102629 (SUBMIT ABSTRACT)
• 10:35 AM
  CHANGES IN SUBDUCTION DIRECTION AND RIDGE COLLISION AGAINST A CURVED OROGEN: THE CASE OF THE SOUTHERNMOST ANDES
  Matías C. Ghiglione, Universidad de Buenos Aires, Buenos Aires, N/A and Victor A. Ramos, Universidad de Buenos Aires, Buenos Aires, N/A
  99250 (SUBMIT ABSTRACT)
• 10:35 AM
  CONCAVE-TO FORELAND INDENTER AND THE FORMATION OF AN ARCUATE THRUST SYSTEM IN SANDBOX EXPERIMENTS: A COMPARISON WITH THE SOUTHERNMOST ANDES
  Matías C. Ghiglione, Universidad de Buenos Aires, Buenos Aires, N/A and Ernesto O. Cristallini, Universidad de Buenos Aires, Buenos Aires, N/A
  99251 (SUBMIT ABSTRACT)