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Cordilleran Section - 99th Annual (April 1–3, 2003)

Session No. 32
Thursday, 3 April 2003: 8:30 AM-12:05 PM

T1. Cretaceous and Cenozoic Tectonic Evolution of Baja California

 

Harald Böhnel, Luis Delgado and Dave Kimbrough, Advocates
Paper #
Start Time
1
8:30 AM
DETRITAL MODES OF MAGDALENA FAN SANDSTONE SUPPORT NORTHWARD DISPLACEMENT OF THE FAN FROM A SEDIMENT SOURCE AT THE MOUTH OF THE PROTO-GULF OF CALIFORNIA
MARSAGLIA, Kathleen M., Geological Sciences, California State Univ Northridge, 18111 Nordhoff St, Northridge, CA 91330-8266, kathie.marsaglia@csun.edu, kathie.marsaglia@csun.edu
2
8:50 AM
PROVENANCE INVESTIGATION OF THE MIDDLE MIOCENE MAGDELENA FAN OF BAJA CALIFORNIA SUR, MEXICO
KIMBROUGH, David L., San Diego State Univ, San Diego, CA 92182, GROVE, Marty, Dept. of Earth and Space Sciences, UCLA, Los Angeles, CA 90095-1567 and FLETCHER, John, Centro de Investigacion Cientifica y de Educacion Superior de Ensenada, Mexico, dkimbrou@geology.sdsu.edu, dkimbrou@geology.sdsu.edu
3
9:10 AM
EASTWARD YOUNGING OF AGES ACROSS THE PENINSULAR RANGES BATHOLITH AND PLUTONS : GEOCHRONOLOGICAL CONSTRAINTS FOR THE TECTONIC HISTORY OF THE PENINSULAR RANGES BATHOLITH AND TECTONIC IMPLICATIONS FOR WESTERN MÉXICO
ORTEGA-RIVERA, Amabel, Centro de Geociencias, UNAM, Campus Juriquilla - UNAM, km15, carretera SLP-Qro, Queretaro, 76230, Mexico, amabel@geociencias.unam.mx, amabel@geociencias.unam.mx
4
9:30 AM
LATE CRETACEOUS COOLING OF THE EAST-CENTRAL PENINSULAR RANGES BATHOLITH (33°N): RELATIONSHIP TO PLUTON EMPLACEMENT, SHALLOW SUBDUCTION, AND FOREARC SEDIMENTATION
LOVERA, Oscar M. and GROVE, Marty, Department of Earth and Space Sciences and IGPP, UCLA, Los Angeles, CA 90095-1567, lovera@argon.ess.ucla.edu, lovera@argon.ess.ucla.edu
5
9:50 AM
HIGH-TEMPERATURE THERMOCHRONOLOGY OF LOS CABOS BLOCK BASEMENT ROCKS
GROVE, Marty, Dept. of Earth and Space Sciences, UCLA, Los Angeles, CA 90095-1567, KIMBROUGH, David L., Department of Geological Sciences, San Diego State Univ, San Diego, CA 92182 and FLETCHER, John, Centro de Investigacion Cientifica y de Educacion Superior de Ensenada, Mexico, marty@argon.ess.ucla.edu, marty@argon.ess.ucla.edu
 
10:10 AM
Break
6
10:25 AM
UNRAVELING DISPLACEMENT FIELDS IN ARCS: AN EXAMPLE FROM THE PENINSULAR RANGES BATHOLITH
ALSLEBEN, Helge and PATERSON, Scott R., Department of Earth Sciences, Univ of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740, alsleben@earth.usc.edu, alsleben@earth.usc.edu
7
10:45 AM
STRUCTURAL SURVEY IN PLUTONS FROM THE PACIFIC COAST TO THE SIERRA SAN PEDRO MARTIR, CENTRAL BAJA CALIFORNIA
DELGADO-ARGOTE, Luis A.1, BOEHNEL, Harald2, MOLINA GARZA, Roberto2 and ORTEGA-RIVERA, Amabel2, (1)Division de Ciencias de la Tierra, CICESE, Km 107 Carretera Tijuana-Ensenada, Ensenada, Baja California, 22860, Mexico, (2)Centro de Geociencias, UNAM, -Campus Juriquilla, Queretaro, Queretaro, 76230, Mexico, ldelgado@cicese.mx, ldelgado@cicese.mx
8
11:05 AM
A PALEOMAGNETIC TRANSECT OF THE PENINSULAR RANGES BATHOLITH NEAR THE 31ST PARALLEL, PART I
BÖHNEL, Harald1, MOLINA GARZA, Roberto2, CONTRERAS FLORES, Ruben1, ORTEGA-RIVERA, Amabel1 and DELGADO ARGOTE, Luis3, (1)Centro de Geociencias, UNAM, Campus Juriquilla - UNAM, Queretaro, 76230, Mexico, (2)Unidad de Ciencias de la Tierra, Campus Juriquilla UNAM, Carretera San Luis Potosí km 13, Juriquilla, Queretaro, 76230, Mexico, (3)Ciencias de la Tierra, CICESE, Km 107 Carr. Tijuana-Ensenada, Ensenada, 22860, hboehnel@geociencias.unam.mx, hboehnel@geociencias.unam.mx
9
11:25 AM
A PALEOMAGNETIC TRANSECT OF THE PENINSULAR RANGES BATHOLITH NEAR THE 31ST PARALLEL, PART II
MOLINA GARZA, Roberto1, BÖHNEL, Harald, CHÁVEZ CABELLO, Gabriel3, ORTEGA RIVERA, Amabel3 and DELGADO ARGOTE, Luis4, (1)Unidad de Ciencias de la Tierra, Campus Juriquilla UNAM, Carretera San Luis Potosí km 13, Juriquilla, Queretaro, 76230, Mexico, (2)Centro de Geociencias, UNAM, Campus Juriquilla - UNAM, Queretaro, 76230, Mexico, (3)Ciencias de la Tierra, CICESE, Km 107 Carr. Tijuana-Ensenada, Ensenada, 22860, rmolina@unicit.unam.mx, rmolina@unicit.unam.mx
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