Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
Session No. 3 Thursday, 29 March 2012
08:30-13:00, Hotel Misión Juriquilla: Siglo XVIII

T8. Lithosphere Stretching and Magmatism Leading to the Gulf of California

Luca Ferrari, Arturo Martin-Barajas and Joann Stock, Presiding
 Paper #Start Time
 08:30 Introductory Remarks
3-108:35 KEYNOTE: THE OPENING OF THE GULF OF CALIFORNIA: TEMPORAL VS SPATIAL VARIATIONS IN RIFT KINEMATICS: FLETCHER, John, Geology, CICESE, PO Box 434843, San DIego, CA 92143, jfletche@cicese.mx
3-209:05 CONTINENTAL RUPTURE DELAYED BY SEDIMENTATION AND LOW-ANGLE NORMAL FAULTS IN THE NORTHERN GULF OF CALIFORNIA: ANALYSIS OF SEISMIC REFLECTION PROFILES IN THE TIBURON AND DELFIN BASINS: MARTÍN, Arturo, Geología, CICESE, Ensenada, 22860, Mexico, amartin@cicese.mx, GONZÁLEZ-ESCOBAR, Mario, Geofísica Aplicada, CICESE, Ensenada, 22860, Mexico, FLETCHER M, John, Geology, CICESE, PO Box 434843, San DIego, CA 92143, and PACHECO, Martín, Geologia, CICESE, Ensenada, 22860, Mexico
3-309:25 LATE MIOCENE EXTENSION IN THE SIERRA BACHA, COASTAL SONORA, MEXICO: IMPLICATIONS FOR THE KINEMATIC EVOLUTION OF THE PROTO-GULF OF CALIFORNIA: DARIN, Michael H.1, DORSEY, Rebecca J.1, BENNETT, Scott E.K.2, OSKIN, Michael E.2, and IRIONDO, Alex3, (1) Department of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403, mhd@uoregon.edu, (2) Department of Geology, University of California, Davis, One Shields Avenue, Davis, CA 95616, (3) Centro de Geociencias, Universidad Nacional Autónoma de México, Campus Juriquilla, Querétaro, C.P. 76230, Mexico
3-409:45 PROGRESSIVE LOCALIZATION OF DEXTRAL SHEAR IN THE LATE PROTO-GULF OF CALIFORNIA: BENNETT, Scott E.K.1, OSKIN, Michael E.1, and IRIONDO, Alex2, (1) Department of Geology, University of California, Davis, One Shields Avenue, Davis, CA 95616, sekbennett@ucdavis.edu, (2) Centro de Geociencias, Universidad Nacional Autónoma de México, Campus Juriquilla, Querétaro, C.P. 76230, Mexico
3-510:05 MAGNETIC STRATIGRAPHY OF PERALKALINE VOLCANISM IN SIERRA LIBRE, SONORA, MEXICO: OLGUIN VILLA, Angel Enrique, Departamento de Geologia, Universidad de Sonora, Blvd Luis Encinas y Rosales S/N, Col. Centro, Hermosillo, 83000, Mexico, angele.olguinv@correoa.uson.mx, STOCK, Joann M., Seismological Laboratory, California Institute of Technology, 1200 E California Blvd, MC 252-21, Pasadena, CA 91125, and VIDAL SOLANO, Jesus R., Geologia, Universidad de Sonora, Apdo Postal 847, Hermosillo, 83000, Mexico
 10:25 Break
3-610:45 KEYNOTE: THE HISTORY AND CAUSES OF THE RIFTING, SHEARING AND SPREADING THAT OPENED THE MOUTH OF THE GULF OF CALIFORNIA: LONSDALE, Peter, Scripps Institution of Oceanography, UCSD, 9500 Gilman Drive, La Jolla, CA 92093, plonsdale@ucsd.edu
3-711:15 25 MILLION YEARS TO BREAK A CONTINENT: EARLY TO MIDDLE MIOCENE RIFTING AND SYN-EXTENSIONAL MAGMATISM IN THE SOUTHERN GULF OF CALIFORNIA: FERRARI, Luca1, OROZCO-ESQUIVEL, Teresa2, LÓPEZ MARTÍNEZ, Margarita3, DUQUE, Jose2, BRYAN, Scott4, and CERCA, Mariano2, (1) Instituto de Geología, Universidad Nacional Autonoma de Mexico, Circuito Investigacion Cientifica, Ciudad Universitaria, Mexico City, 04510, Mexico, luca@unam.mx, (2) Centro de Geociencias, Universidad Nacional Autonoma de Mexico, Campus Juriquilla, Blvd. Juriquilla 3001, Queretaro, 76230, Mexico, (3) Centro de Investigaciones Cientificas y Educacion Superior de Ensenada, Km. 107 Carrertera Tijuana-Ensenada, Ensenada, Baja California Norte, Mexico, (4) Earth, Environmental and Biological Sciences, Queensland University of Technology, GPO Box 2434, Brisbane, 4001, Australia
3-811:35 RECONSTRUCTING THE NORTHERN GULF OF CALIFORNIA-SALTON TROUGH OBLIQUE RIFT: BENNETT, Scott E.K.1, OSKIN, Michael E.1, DORSEY, Rebecca J.2, and DARIN, Michael H.2, (1) Department of Geology, University of California, Davis, One Shields Avenue, Davis, CA 95616, sekbennett@ucdavis.edu, (2) Department of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403
3-911:55 TEMPORAL CONSTRAINTS ON THE LANDSCAPE RESPONSE TO RIFTING IN THE LORETO REGION OF BAJA CALIFORNIA SUR, MEXICO: MARK, Chris1, GUPTA, Sanjeev1, CARTER, Andrew2, MARK, Darren F.3, GAUTHERON, Cécile4, and MARTIN-BARAJAS, Arturo5, (1) Earth Science and Engineering, Imperial College London, South Kensington Campus, London, SW7 2AZ, United Kingdom, ctm04@ic.ac.uk, (2) School of Earth Sciences, Birkbeck and University College London, Gower Street, London, WC1E 6BT, United Kingdom, (3) Scottish Universities Environmental Research Centre, (SUERC), Rankine Avenue, East Kilbride, G75 0QF, United Kingdom, (4) Departement des Sciences de la Terre, Université Paris-Sud 11, Paris, France, (5) Div. Ciencias de la Tierra, CICESE, PO Box 430222, San Diego, CA 92143--0222
3-1012:15 ANALOGUE MODELS OF THE SOUTHERN PART OF THE GULF OF CALIFORNIA RIFT: PORTILLO-PINEDA, Rodrigo1, CERCA, Mariano2, FERRARI, Luca2, and CORTI, Giacomo3, (1) Posgrado en Ciencias de la Tierra, Centro de Geociencias, Universidad Nacional Autónoma de México, Queretaro, 76230, Mexico, rportillo@geociencias.unam.mx, (2) Centro de Geociencias, Universidad Nacional Autonoma de Mexico, Campus Juriquilla, Blvd. Juriquilla 3001, Queretaro, 76230, Mexico, (3) Institute of Geosciences and Earth Resources, Unità Operativa di Firenze, National Research Council of Italy, Via G. La Pira, 4, Firenze, 50121, Italy
3-1112:35 PULLING APART THE MID TO LATE CENOZOIC MAGMATIC RECORD OF THE GULF OF CALIFORNIA: NO ROOM FOR THE COMONDÚ ARC: BRYAN, Scott, Earth, Environmental and Biological Sciences, Queensland University of Technology, GPO Box 2434, Brisbane, 4001, Australia, scott.bryan@qut.edu.au, FERRARI, Luca, Instituto de Geología, Universidad Nacional Autonoma de Mexico, Circuito Investigacion Cientifica, Ciudad Universitaria, Mexico City, 04510, Mexico, OROZCO-ESQUIVEL, Teresa, Centro de Geociencias, Universidad Nacional Autonoma de Mexico, Blvd Juriquilla 3001, Juriquilla, 76230, Mexico, and LÓPEZ-MARTÍNEZ, Margarita, Centro de Investigaciones Cientificas, Km. 107 Carrertera a Tijuana, Ensenada, Baja California Norte, Mexico

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