Session: Terrane Translation, Orogenesis, and Plate Interactions in the Late Mesozoic to Early Cenozoic North American Cordillera, and Implications for Paleogeographic Reconstructions (Posters) (2004 Denver Annual Meeting (November 7

Session No. 219

Wednesday, 10 November 2004: 8:00 AM-12:00 PM

T84. Terrane Translation, Orogenesis, and Plate Interactions in the Late Mesozoic to Early Cenozoic North American Cordillera, and Implications for Paleogeographic Reconstructions (Posters)

GSA Geophysics Division; GSA Structural Geology & Tectonics Division

Authors will be present from .

Paper #

Booth #

116

NEW DETRITAL ZIRCON DATA FROM A QUARTZ ARENITE NORTHWEST OF CUCURPE, NORTH-CENTRAL SONORA, MEXICO: IMPLICATIONS FOR MIDDLE TO LATE JURASSIC BASIN DEVELOPMENT ALONG THE SOUTHWESTERN MARGIN OF NORTH AMERICA

LEGGETT, William¹, LAWTON, Timothy¹, AMATO, Jeffrey¹, GONZÁLEZ-LEÓN, Carlos M.² and GEHRELS, George³, (1)Geological Sciences, New Mexico State Univ, MSC 3AB, PO Box 30001, Las Cruces, NM 88003, (2)Instituto de Geología, UNAM, Estación Regional del Noroeste, Apartado Postal 1039, Hermosillo, Sonora, 83000, Mexico, (3)Geosciences, Univ of Arizona, Tucson, AZ 85721, wjleggett@hotmail.com, wjleggett@hotmail.com

117

LATE JURASSIC STRATIGRAPHY, SEDIMENTOLOGY, AND GEOCHRONOLOGY OF THE ALTAR-CUCURPE BASIN IN THE VICINITY OF CUCURPE, SONORA, NORTHWESTERN MEXICO: IMPLICATIONS FOR MESOZOIC TECTONICS OF THE SOUTHWESTERN NORTH AMERICAN MARGIN

MAUEL, David J.¹, LAWTON, Timothy F.¹, GONZÁLEZ-LEÓN, Carlos M.², IRIONDO, Alexander³, VILLASEÑOR, Ana Bertha⁴ and AMATO, Jeffrey M.¹, (1)Department of Geological Sciences, New Mexico State Univ, Las Cruces, NM 88003, (2)Instituto de Geología, UNAM, Estación Regional del Noroeste, Apartado Postal 1039, Hermosillo, Sonora, 83000, Mexico, (3)Centro de Geociencias, Campus Juriquilla UNAM, Carretera San Luis Potosi km 13, Querétaro, Mexico, (4)Instituto de Geología, Universidad Nacional Autónoma de México, México, 04510, Mexico, maueld39@hotmail.com, maueld39@hotmail.com

118

LATE JURASSIC TRANSTENSIONAL BASINS ALONG THE MARGIN OF WESTERN NORTH AMERICA: AN INDICATION OF SINISTRAL LATERAL FAULTING FROM ALASKA TO THE GULF OF MEXICO?

ANDERSON, Thomas H., Geology and Planetary Science, Univ of Pittsburgh, Pittsburgh, PA 15260 and MAHONEY, J. Brian, Dept. of Geology, Univ of Wisconsin, Eau Claire, WI 54792-4004, taco@imap.pitt.edu, taco@imap.pitt.edu

119

DETRITAL ZIRCON GEOCHRONOLOGY INDICATES THAT UPPER CRETACEOUS TO EOCENE SEDIMENTARY AND METASEDIMENTARY ROCKS OF SOUTHERN CALIFORNIA, SALINIA, AND THE SUR-OBISPO TERRANE ARE NOT FAR TRAVELED

JACOBSON, Carl E., Dept of Geological and Atmospheric Sciences, Iowa State Univ, Ames, IA 50011-3212, GROVE, Marty, Dept of Earth and Space Sciences, Univ of California, Los Angeles, CA 90095, BARTH, Andrew P., Dept of Geology, Indiana Univ-Purdue Univ, Indianapolis, IN 46202, PEDRICK, Jane N., Dept of Geological & Atmospheric Sciences, Iowa State Univ, Ames, IA 50011-3212 and NOURSE, Jonathan A., Dept of Geological Sciences, California State Polytechnic Univ, Pomona, CA 91768, cejac@iastate.edu, cejac@iastate.edu

120

CORDILLERAN MAGMATIC PATTERNS CONSISTENT WITH FAR-TRAVELED BAJA BC

MILLER, Ian M., Dept of Geology and Geophysics, Yale Univ, PO Box 208109, New Haven, CT 06520-8109 and BRANDON, Mark, Geology & Geophysics, Yale University, New Haven, CT 06520, ian.miller@yale.edu, ian.miller@yale.edu

121

A REVIEW OF CRETACEOUS PALEOMAGNETISM IN THE CANADIAN CORDILLERA AND THE GLOBAL CRATONIC REFERENCE

ENKIN, Randolph J., Geol Survey of Canada-Pacific, Box 6000, Sidney, BC V8L 4B2, renkin@nrcan.gc.ca, renkin@nrcan.gc.ca

122

PALEOGEOGRAPHIC RECONSTRUCTION OF THE CENTRAL NORTH AMERICA CORDILLERA USING KNOWN CRETACEOUS AND CENOZOIC STRIKE-SLIP FAULTS AND SELECTED PALEOMAGNETIC DATA

UMHOEFER, Paul J. and BLAKEY, Ronald C., Department of Geology, Northern Arizona Univ, Box 4099, Flagstaff, AZ 86011, paul.umhoefer@nau.edu, paul.umhoefer@nau.edu

123

PALINSPASTIC RECONSTRUCTION OF THE NORTHERN CORDILLERAN ALONG KNOWN CRETACEOUS AND CENOZOIC STRIKE-SLIP FAULTS: AN ANALYSIS

WYLD, Sandra¹, UMHOEFER, Paul J.² and WRIGHT, James E.¹, (1)Geology, Univ of Georgia, Athens, GA 30602, (2)Department of Geology, Northern Arizona Univ, Box 4099, Flagstaff, AZ 86011, swyld@gly.uga.edu, swyld@gly.uga.edu

124

CORRELATION OF MIDDLE JURASSIC VOLCANIC ROCKS IN THE KETTLE ROCK SEQUENCE OF NORTHERN CALIFORNIA AND PINE NUT TERRANE OF WESTERN NEVADA, AND IMPLICATIONS FOR STRIKE-SLIP FAULTING IN THE TAHOE BASIN AREA

CHRISTE, Geoff, Senior Environmental Engineer, Virginia Department of Environmental Quality, 629 East Main Street, Groundwater Section, Richmond, VA 23219 and WYLD, Sandra, Geology, Univ of Georgia, Athens, GA 30602, CALLOVIAN@AOL.COM, CALLOVIAN@AOL.COM

125

IMPLICATIONS OF NEW GEOCHEMICAL AND FIELD DATA FROM THE PEÑON BLANCO ARC, SIERRA NEVADA FOOTHILLS, CA

SNOW, Cameron A., Department of Geological and Environmental Sciences, Stanford Univ, 320 Braun Hall, Stanford University, Stanford, CA 94305, casnow@stanford.edu, casnow@stanford.edu

126

PETROLOGY AND GEOCHEMISTRY OF A MESOZOIC OCEANIC ARC COMPLEX: AN INVESTIGATION OF THE NORTH FORK TERRANE, SOUTHERN KLAMATH MOUNTAINS, CALIFORNIA

SCHERER, Hannah H., Geological and Environmental Sciences, Stanford Univ, 450 Serra Mall, Building 320, Room 118, Stanford, CA 94305 and ERNST, W.G., Geological and Environmental Sciences, Stanford Univ, Stanford, CA 94305-2115, hscherer@pangea.stanford.edu, hscherer@pangea.stanford.edu

127

APATITE FISSION TRACK EVIDENCE FOR REPEATED TERTIARY MOVEMENT ON THE TINTINA FAULT SYSTEM, ALASKA

TILL, Alison B., USGS, 4200 University Drive, Anchorage, AK 99508, O'SULLIVAN, Paul B., Apatite to Zircon, Inc, Viola, ID 83872-9705, BRADLEY, Dwight, USGS, 4200 University Dr, Anchorage, AK 99508 and ROESKE, Sarah M., Geology Dept, Univ of California, One Shields Avenue, Davis, CA 95616, atill@usgs.gov, atill@usgs.gov

128

LATE CENOZOIC COLLISION OF THE YAKUTAT TERRANE, GULF OF ALASKA, AS IMAGED IN DEEP-CRUSTAL SEISMIC-REFLECTION DATA: A POSSIBLE ANALOG OF EARLIER CORDILLERAN TERRANE INTERACTIONS

FISHER, Michael¹, BRUNS, Terry¹, RATCHKOVSKI, Natalia², BROCHER, Thomas¹, PAVLIS, Terry³ and PLAFKER, George¹, (1)U.S. Geol Survey, MS 999, 345 Middlefield Road, Menlo Park, CA 94025, (2)Geophysical Institute, Univ of Alaska, P.O. Box 757320, Fairbanks, AK 99775, (3)Dept. of Geology and Geophysics, Univ of New Orleans, New Orleans, LA 70148, mfisher@usgs.gov, mfisher@usgs.gov

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2004 Denver Annual Meeting (November 7–10, 2004)

T84. Terrane Translation, Orogenesis, and Plate Interactions in the Late Mesozoic to Early Cenozoic North American Cordillera, and Implications for Paleogeographic Reconstructions (Posters)