Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
Session No. 36 Saturday, 31 March 2012
08:30-13:00, Hotel Misión Juriquilla: Siglo XVIII

T6. Terrane Accretion, Flat Slab Subduction, and Convergence Rate Variations: What Caused the Cretaceous-Paleogene Shortening across the Mexican Cordillera?

Michelangelo Martini, Mariano Cerca, Martin Valencia, Elisa Fitz, Gabriel Chávez and Timothy F. Lawton, Presiding
 Paper #Start Time
 08:30 Introductory Remarks
36-108:40 KEYNOTE: NUMERICAL MODELING OF THE MEXICAN FOLD-AND-THRUST BELT: CRUZ, Leonardo, Department of Geological and Environmental Sciences, Stanford University, Braun Hall 215, Stanford University, Stanford, CA 94305, leocruz@stanford.edu, FITZ-DÍAZ, Elisa, University of Michigan, Department of Earth and Environmental Sciences, 2534 C.C. Little Building, 1100 North University Ave, Ann Arbor, MI 48109-1005, and HUDLESTON, Peter, Department of Earth Sciences, University of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455-0219
36-209:10 KEY ISSUES OF THE MEXICAN FOLD AND THRUST BELT WHICH MUST BE ADDRESSED BY PROPOSED MECHANISMS OF CRETACEOUS-PALEOGENE SHORTENING: TOLSON, Gustavo, Depto. de Geología Regional, Instituto de Geología, Universidad Nacional Autónoma de México, Cto. de la Investigación Científica s/n, Cd. Universitaria, México, 04510, Mexico, tolson@unam.mx, FITZ-DÍAZ, Elisa, University of Michigan, Department of Earth and Environmental Sciences, 2534 C.C. Little Building, 1100 North University Ave, Ann Arbor, MI 48109-1005, HUDLESTON, Peter, Department of Earth Sciences, University of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455-0219, and CHÁVEZ-CABELLO, Gabriel, Facultad de Ciencias de la Tierra, Universidad Autónoma de Nuevo León, Linares, 67700, Mexico
36-309:30 SYNCHRONOUS WANING OF LARAMIDE SHORTENING AND INITIATION OF CENOZOIC EXTENSION IN NORTHWESTERN MEXICO: A STILL UNSOLVED ISSUE: VALENCIA-MORENO, Martín, Estación Regional del Noroeste, Instituto de Geología, Universidad Nacional Autónoma de México, L.D. Colosio y Madrid S/N, Hermosillo, 83240, Mexico, valencia@geologia.unam.mx, CHÁVEZ-CABELLO, Gabriel, Facultad de Ciencias de la Tierra, Universidad Autónoma de Nuevo León, Ave. Universidad S/N, Col. Ciudad Universitaria, San Nicolás de Los Garza, 66451, Mexico, CERCA-MARTÍNEZ, Mariano, Centro de Geociencias, Universidad Nacional Autónoma de México, Campus Juriquilla, Blvd. Juriquilla 3001, Querétaro, 76230, Mexico, and FERRARI, Luca, Centro de Geociencias, Universidad Nacional Autonoma de Mexico, Campus Juriquilla, Blvd. Juriquilla 3001, Queretaro, 76230, Mexico
36-409:50 MECHANISMS OF THE FAULTS ASSOCIATED WITH THE LARAMIDE FOLDS IN THE MESA CENTRAL, MEXICO: XU, Shunshan Sr, NIETO-SAMANIEGO, A.F., and LOZA-AGUIRRE, I. Sr, Centro de Geociencias, UNAM, Apartado Postal 1-742, Queretaro, Qro, 76001, Mexico, sxu@geociencias.unam.mx
36-510:10 DATING OF FOLDS IN THE MEXICAN FOLD-THRUST BELT, CENTRAL MEXICO: FITZ-DIAZ, Elisa, Earth and Environmental Sciences Department, University of Michigan, 2534 C.C. Little Building, 1100 North University Ave, Ann Arbor, MI 48103, fitzdiaz@umich.edu, HUDLESTON, Peter, Department of Earth Sciences, University of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455-0219, SOLÉ-VIÑAS, Jesús, Instituto de Geología, UNAM, Av. Universidad #3000, Mexico, DF, 04510, Mexico, PI-PUIG, Teresa, Department of Geochemistry, Institute of Geology, UNAM, Mexico City, 04510, Mexico, and VAN DER PLUIJM, Ben A., Earth & Environmental Sciences, University of Michigan, Ann Arbor, MI 48109
 10:30 Break
36-610:50 AGE OF THE CARACOL FORMATION, SIERRA DE PARRAS, COAHUILA, MEXICO: LAWTON, Timothy F., Geological Sciences/MSC 3AB, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88003, tlawton@nmsu.edu
36-711:10 CRETACEOUS TECTONICS IN SONORA: CONSTRAINING TIME OF THE SHORTENING EVENTS: GONZÁLEZ-LEÓN, Carlos M., Instituto de Geología, UNAM, Estación Regional del Noroeste, Apartado Postal 1039, Hermosillo, Sonora, 83000, Mexico, cmgleon@unam.mx, LAWTON, Timothy F., Geological Sciences/MSC 3AB, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88003, and SOLARI, Luigi, Universidad Nacional Autónoma de México, Centro de Geociencias, Campus Juriquilla, Santiago de Querétaro, 76001, Mexico
36-811:30 PROVENANCE ANALYSIS FROM DETRITAL ZIRCONS IN UPPER CRETACEOUS SANDSTONES IN THE ARIVECHI REGION, EASTERN SONORA, MEXICO: RODRÍGUEZ-CASTAÑEDA, José Luis and ROLDÁN-QUINTANA, Jaime, Estación Regional del Noroeste, Instituto de Geología, Universidad Nacional Autónoma de México, Blvd. Colosio y Madrid, Hermosillo, Sonora, 83000, Mexico, jlrod@unam.mx
36-911:50 THE GUERRERO TERRANE SUTURE BELT AT GUANAJUATO AND ITS RELATION WITH THE MEXICAN FOLD-THRUST BELT: MARTINI, Michelangelo, UNAM, Instituto de Geología, Ciudad Universitaria, Mexico City 04510 Mexico, mmartini@geologia.unam.mx
36-1012:10 RECONSTRUCTING REGIONAL DEFORMATIONAL EVENTS IN THE ZIHUATANEJO TERRANE FROM STRATIGRAPHY AND ZIRCON GEOCRONOLOGY: CENTENO-GARCÍA, Elena, Instituto de Geologia, Universidad Nacional Autonoma de Mexico, Ciudad Universitaria, Delegacion Coyoacan 04510 Mexico, centeno@servidor.unam.mx
36-1112:30 THE PIRATE MODEL FOR DERIVATION OF THE CHORTIS AND CHIAPAS BLOCKS FROM THE WESTERN GULF OF MEXICO IN THE LATEST CRETACEOUS-CENOZOIC: IMPLICATIONS FOR THE SIERRA MADRE ORIENTAL AND ZONGOLICA FOLDBELTS: KEPPIE, D. Fraser, Nova Scotia Department of Natural Resources, 1701 Hollis St., PO Box 698, Halifax, NS B3J2T9 Canada, keppiedf@gov.ns.ca
 12:50 Concluding Remarks

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