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GSA 2020 Connects Online

Session No. 199
Thursday, 29 October 2020: 1:30 PM-5:30 PM

T16. Assembling Laurentia: Growth of the Western Continental Margin by Subduction, with or without Terrane Accretion, 190-70 Ma I

Mineralogical Society of America; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Structural Geology and Tectonics Division; GSA Sedimentary Geology Division

 

Cathy J. Busby, Raphael Gottardi and Elisa Fitz-Diaz, Advocates
Paper #
Start Time
 
1:30 PM
Introduction
199-1
1:45 PM
EVOLUTION OF THE SEVIER AND LARAMIDE BELTS WITHIN AN INTEGRATED OROGENIC SYSTEM
YONKEE, Adolph, Department of Earth and Environmental Sciences, Weber State University, 1415 Edvalson St - DEPT 2507, Ogden, UT 84408-2507 and WEIL, Arlo, Department of Geology, Bryn Mawr College, Bryn Mawr, PA 19010
199-2
2:00 PM
THE ROLE OF TECTONIC INHERITANCE, PLATE–REORGANIZATION, AND MAGMA FLARE-UPS IN THE EVOLUTION OF SEVIER OROGENY
QUICK, James D.1, HOGAN, John P.1, WIZEVICH, Michael2, OBRIST-FARNER, Jonathan3 and CROWLEY, Jim L.4, (1)Geosciences and Geological and Petroleum Engineering, Missouri University of Science and Technology, 129 McNutt Hall, 1400 N Bishop Ave, Rolla, MO 65409, (2)Department of Geological Sciences, Central Connecticut State University, 1615 Stanley St, New Britain, CT 06050, (3)Department of Geosciences and Geological and Petroleum Engineering, Missouri University of Science and Technology, Rolla, MO 65409, (4)Department of Geosciences, Boise State University, Boise, ID 83725
199-3
2:15 PM
PROVENANCE OF THE LOWER CRETACEOUS KOOTENAI FORMATION IN SOUTHWESTERN MONTANA: IMPLICATIONS FOR FORELAND BASIN SEDIMENTATION AND REGIONAL TECTONIC MODELS
ROSENBLUME, Justin A.1, FINZEL, Emily S.1 and PEARSON, David M.2, (1)Earth & Environmental Science Department, University of Iowa, Trowbridge Hall, North Capitol Street, Iowa City, IA 52242, (2)Department of Geosciences, Idaho State University, Pocatello, ID 83209
199-4
2:30 PM
A STRATIGRAPHICALLY CONTROLLED DOUBLE-DECKER MODEL FOR THE THIN- TO THICK-SKINNED FOLD-THRUST BELT OF EAST-CENTRAL IDAHO AND SOUTHWESTERN MONTANA
PARKER, Stuart D. and PEARSON, David M., Department of Geosciences, Idaho State University, Pocatello, ID 83209
 
2:45 PM
Discussion
199-5
3:00 PM
ALONG-STRIKE VARIATION IN GEOMETRY OF THE LATE CRETACEOUS WESTERN INTERIOR BASIN TRACKS MULTIPLE GEODYNAMIC SUBSIDENCE MECHANISMS
EICHLER, Carla M.1, SAYLOR, Joel2, WELLNER, Julia1, RUDOLPH, Kurt3 and DAVIS, Elizabeth M.1, (1)Department of Earth and Atmospheric Sciences, University of Houston, Houston, TX 77204, (2)Earth, Ocean, and Atmospheric Sciences, University of British Colombia, Vancouver, BC V6T 1Z4, Canada, (3)Earth, Environmental and Planetary Sciences Department, Rice University, Houston, TX 77005
199-6
3:15 PM
DETRITAL ZIRCON PROVENANCE OF THE LOWER-UPPER CRETACEOUS BLACKLEAF FORMATION (UPPER INTERVALS) IN SOUTHWESTERN MONTANA, USA: IMPLICATIONS FOR REGIONAL TECTONICS AND SEDIMENTATION PATTERNS
GARDNER, Cole, Department of Earth and Environmental Sciences, The University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52246, FINZEL, Emily S., Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242 and ROSENBLUME, Justin A., Earth & Environmental Science Department, University of Iowa, Trowbridge Hall, North Capitol Street, Iowa City, IA 52242
199-7
3:30 PM
THE RISE AND DEMISE OF THE NEVADAPLANO: INVESTIGATING THE MECHANISMS AND TIMESCALES OF CRUSTAL THICKENING AND COLLAPSE IN THE NORTH AMERICAN CORDILLERA
LEVY, Drew A., Nevada Bureau of Mines and Geology, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557, ZUZA, Andrew V., Nevada Bureau of Mines and Geology, University of Nevada Reno, Reno, NV 89557 and HEIZLER, Matthew T., New Mexico Bureau of Geology and Mineral Resources, New Mexico Geochronology Research Laboratory, Socorro, NM 87801
199-8
3:45 PM
THE MEXICAN FOLD-THRUST BELT: RECORD OF SUBDUCTION-RELATED DEFORMATION IN THE SOUTHERN CORDILLERAN OROGEN
FITZ-DIAZ, Elisa, Instituto de Geologia, Universidad Nacional Autonoma de Mexico, Av. Universidad #3000, C. U., Coyoacán, Mexico D.F., 04510, Mexico, LAWTON, Timothy F., Bureau of Economic Geology, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78758 and JUÁREZ-ARRIAGA, Edgar, Centro de Geociencias, Universidad Nacional Autónoma de México, Juriquilla, QA 76230, Mexico
 
4:00 PM
Discussion
199-9
4:15 PM
PETROLOGICAL AND GEOCHEMICAL CHARACTERIZATION OF THE SAN JUAN DE OTATES ULTRAMAFIC COMPLEX, LEÓN, GUANAJUATO: TECTONIC IMPLICATIONS
PINEDA-RODRÍGUEZ, Nathalia Andrea1, COLÁS, Vanessa2, GONZÁLEZ-JIMÉNEZ, José María3, CAMPRUBÍ, Antoni2, MARCHESI, Claudio4, PROENZA, Joaquín A.5 and MARTINI, Michelangelo2, (1)Posgrado en Ciencias de la Tierra, Universidad Nacional Autónoma de México, Coyoacán, DF 04510, Mexico; Instituto de Geología, Universidad Nacional Autónoma de México, Coyoacán, DF 04510, Mexico, (2)Instituto de Geología, Universidad Nacional Autónoma de México, Coyoacán, DF 04510, Mexico, (3)Departamento de Mineralogía y Petrología, Universidad de Granada, Granada, 18001, Spain, (4)Departamento de Mineralogía y Petrología, Universidad de Granada, Granada, 18001, Spain; Instituto Andaluz de Ciencias de la Tierra (IACT), CSIC, Universidad de Granada, Granada, 18100, Spain, (5)Universitat de Barcelona, Departament de Mineralogia, Petrologia i Geologia Aplicada, Barcelona, 08007, Spain
199-10
4:25 PM
PILLOWS, SCHIST, AND A LOT OF WACKE: SUBDIVIDING THE FORMERLY "COHERENT" ANGEL ISLAND TERRANE OF THE FRANCISCAN COMPLEX
DAS, Meghomita1, BOIANJU, Inga1 and ROWE, Christie D.2, (1)Department of Earth and Planetary Sciences, McGill University, 3450 University street, Montreal, QC H3A 0E8, Canada, (2)Dept of Earth and Planetary Sciences, McGill University, 3450 University street, Montreal, QC H3A 0E8, Canada
199-11
4:35 PM
RECORD OF PALEOZOIC TO MIDDLE JURASSIC TECTONICS IN THE RATTLESNAKE CREEK TERRANE, KLAMATH MOUNTAINS, NORTHERN CALIFORNIA
METCALF, Kathryn and AGUILAR, Anthony, Department of Geological Sciences, California State University, Fullerton, 800 North State College Blvd., Fullerton, CA 92831
199-12
4:45 PM
DEPOSITIONAL AGE, PROVENANCE, AND BASIN DEVELOPMENT OF THE BASAL GREAT VALLEY FOREARC BASIN, NORTHERN CALIFORNIA
ROMERO, Mariah C., Department of Earth Sciences, Montana State University, Bozeman, MT 59717 and ORME, Devon A., Department of Earth Sciences, Montana State University, PO Box 173480, Bozeman, MT 59717-3480
199-13
4:55 PM
PALEOMAGNETISM, MAGNETIC FABRIC, AND GEOCHRONOLOGY OF THE DIPILTO BATHOLITH (NICARAGUA): EARLY TO LATE CRETACEOUS TECTONIC EVOLUTION OF THE CHORTIS BLOCK AND SW NORTH AMERICAN PLATE
GARCÍA-AMADOR, Bernardo I.1, ALVA-VALDIVIA, Luis M.2, PALACIOS GARCÍA, Norma Betania3, POMPA-MERA, Valerie4 and HERNÁNDEZ-CARDONA, Arnaldo1, (1)Posgrado en Ciencias de la Tierra, Instituto de Geofísica, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacan, DF 04510, Mexico, (2)Laboratorio de Paleomagnetismo, Instituto de Geofísica, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, DF 04510, Mexico, (3)Posgrado en Ciencias de la Tierra, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, DF 04510, Mexico, (4)Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, DF 04510, Mexico
 
5:05 PM
Discussion
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