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GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 216
Tuesday, 24 September 2019: 1:30 PM-5:30 PM
Room 231ABC, North Building (Phoenix Convention Center)

T58. Late Cretaceous to Early Paleogene Tectonic Development of the North American Cordillera II

GSA Structural Geology and Tectonics Division; GSA Sedimentary Geology Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Geochronology Division; GSA Geophysics and Geodynamics Division; GSA History and Philosophy of Geology Division

 

John S. Singleton, Scott M. Johnston, Emily S. Finzel and David M. Pearson, Advocates
Paper #
Start Time
216-1
1:30 PM
TO WHAT EXTENT WAS THE NANAIMO BASIN OF SOUTHERN BRITISH COLUMBIA DERIVED FROM THE ADJACENT COAST PLUTONIC COMPLEX?
ISAVA, Virginia1, GROVE, Marty1 and MAHONEY, J. Brian2, (1)Department of Geological Sciences, Stanford University, Stanford, CA 94305, (2)Geology, University of Wisconsin-Eau Claire, Eau Claire, WI 54701
216-2
1:45 PM
EXHUMATION WEST OF THE EASTERN DENALI FAULT–TOTSCHUNDA FAULT “FREEWAY JUNCTION” IN SOUTH-CENTRAL ALASKA: TEMPORAL AND SPATIAL PATTERNS ADDRESSING THE RELATIVE IMPORTANCE OF TERRANE RHEOLOGY VS FAULT GEOMETRY
FITZGERALD, Paul G.1, WARFEL, Thomas S.1, BENOWITZ, Jeffrey A.2, RIDGWAY, Kenneth D.3, ALLEN, Wai K.3, GILLIS, Robert J.4 and O'SULLIVAN, Paul B.5, (1)Department of Earth Sciences, Syracuse University, Syracuse, NY 13244, (2)Geophysical Institute and Geochronology Laboratory, University of Alaska Fairbanks, Fairbanks, AK 99775, (3)Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN 47907, (4)Alaska Division of Geological & Geophysical Surveys (DGGS), 3354 College Rd, Fairbanks, AK 99709-3707, (5)GeoSep Services, 1521 Pine Cone Road, Moscow, ID 87872-9709
216-3
2:00 PM
EARLY PALEOGENE SEDIMENT DISPERSAL AND PALEOGEOGRAPHY OF THE NORTHERN CALIFORNIA COAST RANGES: NEW INSIGHTS FROM DEPTH-PROFILED DETRITAL ZIRCON U-PB AGES
SHARMAN, Glenn R., Department of Geosciences, University of Arkansas, Fayetteville, AR 72701, MCLAUGHLIN, Robert J., Retired Research Geologist, PO Box 972, Moss Beach, CA 94038, DUMITRU, Trevor A., Jasper Canyon Research Inc., 4100 Campana Drive, Palo Alto, CA 94306 and MALKOWSKI, Matthew A., Department of Geological Sciences, Stanford University, 450 Serra Mall, Bldg 320, Stanford, CA 94301-2115
 
2:15 PM
Break/Discussion
216-4
2:30 PM
COAST-PARALLEL TRANSLATION OF THE YAKUTAT GROUP AND CHUGACH-PRINCE WILLIAM TERRANE, ALASKA (Invited Presentation)
GARVER, John I., Geology Department, Union College, 807 Union ST, Schenectady, NY 12308-2311 and DAVIDSON, Cameron, Department of Geology, Carleton College, 1 N College St., Northfield, MN 55057
216-5
2:50 PM
RAISING THE RESURRECTION PLATE BY STRUCTURALLY RESTORING SUBDUCTED SLABS BELOW THE NW CORDILLERA
FUSTON, Spencer, WU, Jonny and LIN, Yi-An, Department of Earth and Atmospheric Sciences, University of Houston, 3507 Cullen Blvd, Rm. 233, Houston, TX 77204-5008
216-6
3:05 PM
A PLUTONIC BROTHER FROM ANOTHER MAGMA MOTHER: A PETROLOGIC INVESTIGATION INTO THE FORAKER-MCGONAGALL PLUTON PIERCING POINT ALONG THE DENALI FAULT, AK
REGAN, Sean P., Department of Geosciences, University of Alaska at Fairbanks, 900 Yukon dr, Fairbanks, AK 99775, BENOWITZ, Jeffrey A., Geophysical Institute and Geochronology Laboratory, University of Alaska Fairbanks, Fairbanks, AK 99775 and HOLLAND, Mark E., Life, Earth, and Environmental Sciences, West Texas A&M University, WTAMU NSB 348, Canyon, TX 79016
 
3:20 PM
Break/Discussion
216-7
3:35 PM
EXHUMATION OF THE COYOTE MOUNTAINS METAMORPHIC CORE COMPLEX (AZ): IMPLICATIONS FOR OROGENIC COLLAPSE OF THE SOUTHERN NORTH AMERICAN CORDILLERA
GOTTARDI, Raphaël, School of Geosciences, University of Louisiana at Lafayette, 611 McKinley Street, Hamilton Hall, Lafayette, LA 70504, CASALE, Gabriele, Department of Geological and Environmental Sciences, Appalachian State University, 572 Rivers Street, Boone, NC 28608 and BOREL, Megan, School of Geosciences, University of Louisiana at Lafayette, Gainesville, FL 32611
216-8
3:50 PM
LATE CRETACEOUS THROUGH PALEOGENE DATES AND DEFORMATIONAL FABRICS FROM THE DEATH VALLEY REGION: GLOBAL IMPORTANCE
HAYMAN, Nicholas W., Institute for Geophysics, Jackson School of Geosciences, University of Texas at Austin, 10100 Burnet Rd., Bldg 196, R2200, Austin, TX 78758-4445, PRIOR, Michael G., Department of, 1113 Mathews Street, Fort Collins, CO 80524, LIMA, Rodrigo D., Institute for Geophysics, The University of Texas at Austin, 10100 Burnet Rd, Bldg 196, Austin, TX 78758 and STOCKLI, Daniel F., Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712
216-9
4:05 PM
DECIPHERING SEDIMENT SOURCE EXHUMATION HISTORIES AND RATES TO THE PALEOCENE-EOCENE PALEO-RIO GRANDE RIVER SYSTEM FROM DETRITAL ZIRCON U-PB-HE DOUBLE DATING
KORTYNA, Cullen D., Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, 2275 Speedway Stop C9000, Austin, TX 78712, STOCKLI, Daniel F., Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712 and COVAULT, Jacob A., Bureau of Economic Geology, University of Texas at Austin, Austin, TX 78713
 
4:20 PM
Break
216-10
4:35 PM
NEW CONSTRAINT OF POST-SUBDUCTION THERMAL ANOMALY: INSIGHTS FROM THE NACIMIENTO BLOCK, CENTRAL CALIFORNIA
WARD, Christine1, LACROIX, Brice J.2, LAHFID, Abdeltif3, SPENCER, Joel Q.G.4, NIEMI, Nathan A.5 and KEMPTON, Pamela D.1, (1)Department of Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506, (2)Geology, Kansas State University, 110 Anderson Hall, 919 Mid Campus Drive North, Manhattan, KS 66506, (3)BRGM, Orléans, 45000, France, (4)Department of Geology, Kansas State University, Manhattan, KS 66506, (5)Department of Earth and Environmental Sciences, University of Michigan, 2534 North University Building, 1100 North University Avenue, Ann Arbor, MI 48109
216-11
4:50 PM
EOCENE ORIGIN OF OWENS VALLEY, CALIFORNIA
SOUSA, Francis J., College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331
216-12
5:05 PM
THE LATE EOCENE TO MIOCENE COOLING AND EXHUMATION OF THE RUBY MOUNTAINS-EAST HUMBOLDT RANGE METAMORPHIC CORE COMPLEX, NEVADA: NEW 40AR/39AR THERMOCHRONOLOGIC CONSTRAINTS
MCGREW, Allen J.1, METCALF, James R.2, JERUC, Joseph W.1, CARTE, Alexander J.1 and MEISNER, Caroline Bruno3, (1)Geology Department, The University of Dayton, 300 College Park, Dayton, OH 45469-2364, (2)Department of Geological Sciences, University of Colorado Boulder, Boulder, CO 80309, (3)Earth and Physical Sciences, Great Basin College, 1500 College Parkway, Elko, NV 89801
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