GSA Connects 2022 meeting in Denver, Colorado

Session No. 77
Monday, 10 October 2022: 8:00 AM-12:00 PM
207 (Colorado Convention Center)

T26. Deformation Zones in Time and Space I: A Celebration of the Career of Steven Wojtal

GSA Structural Geology and Tectonics Division

 

Basil Tikoff and Julie Newman, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
8:05 AM
STRENGTH AND RHEOLOGY OF THE SUBDUCTION MEGATHRUST AND IMPLICATIONS FOR MODE OF SLIP (Invited Presentation)
FRENCH, Melodie, Rice UniversityEarth Science, 6100 Main St, Houston, TX 77005-1827, CONDIT, Cailey, Earth and Space Sciences, University of Washington, Seattle, WA 98103 and DELPH, Jonathan, Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Dr., West Lafayette, IN 47907
8:25 AM
EARTHQUAKE B-VALUES: A KEY TO PAST DEFORMATION OR TO CURRENT STRESS STATE?
WILLIAMS-STROUD, Sherilyn and LEETARU, Hannes E., Illinois State Geological Survey, 615 E. Peabody Drive, Champaign, IL 61820
8:40 AM
DYNAMIC FRACTURING IN FAULT TIP DAMAGE ZONES? AN OUTCROP STUDY OF THE SEVIER FAULT ZONE, SOUTHERN UTAH
SURPLESS, Benjamin, Geosciences, Trinity University, 1 Trinity Place, San Antonio, TX 78212 and MCKEIGHAN, Caroline, Geosciences, 1 Trinity Place, San Antonio, TX 78212-4674
8:55 AM
PRIMED TO SLIDE: THE ROLE OF CLAY NANOCOATINGS IN THE DEVELOPMENT OF SCALY FAULT FABRICS
PHILLIPS, Noah1, CLOUTHIER, Teela1, STEWART, Ryan1 and WHITE, Joseph Clancy2, (1)Department of Geology, Lakehead University, 955 Oliver Rd, Thunder Bay, ON P7B5E1, Canada, (2)Geology, University of New Brunswick, Fredericton, NB E3B5A3, Canada
9:10 AM
SHEAR ZONES AND OTTAWAN DEFORMATION IN THE CENTRAL METASEDIMENTARY BELT OF THE GRENVILLE PROVINCE OF SOUTHERN ONTARIO, CANADA
MARKLEY, Michelle1, DUNN, Steven R.1 and BAKER, Emily2, (1)Geology & Geography, Mount Holyoke College, South Hadley, MA 01075, (2)Dipartimento di Ingegneria Civile ed Architettura, Università di Pavia, Pavia, 3 27100, Italy; Geology & Geography, Mount Holyoke College, South Hadley, MA 01075
9:25 AM
TRICLINIC DEFORMATION IN THE COURTRIGHT-WISHON SHEAR ZONE, SIERRA NEVADA BATHOLITH, CA: EVIDENCE FOR MID-CRETACEOUS, INTRA-ARC MAGMATISM IN THE NORTH AMERICAN CORDILLERA
TORRES ANDRADE, Eneas and TIKOFF, Basil, Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53703
9:40 AM
EXPLORING KINEMATIC VORTICITY FROM METAMORPHIC CORE COMPLEXES IN THE NORTH AMERICAN CORDILLERA
ZUZA, Andrew1, LEVY, Drew2, MICHELS, Zachary3, CAO, Wenrong2, DESORMEAU, Joel2 and DEE, Seth4, (1)Nevada Bureau of Mines and Geology, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557, (2)Department of Geological Sciences and Engineering, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557-0172, (3)Department of Geosciences, University of Arizona, Tucson, AZ 85721, (4)Nevada Bureau of Mines and Geology, University of Nevada, Reno, Reno, NV 89557
 
9:55 AM
Break
10:10 AM
STRAIN LOCALIZATION IN THE UPPER MANTLE AT A LOW-ANGLE EXTENSIONAL PLATE BOUNDARY: MIGRATING DEFORMATION WITHIN A ZONE OF CONSTANT STRAIN RATE
NEWMAN, Julie, Geology & Geophysics, Texas A&M University, College Station, TX 77843, CHATZARAS, Vasileios, The University of Sydney, Madsen Building F09, Sydney, NSW 2006, AUSTRALIA, TIKOFF, Basil, Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53703 and DRURY, Martyn, Department of Earth Sciences, Utrecht University, Postbus 80021, Utrecht, 3508 TA, Netherlands
10:25 AM
EVIDENCE FOR INTRACRYSTALLINE WATER PROMOTING C-SLIP DURING LOW-TEMPERATURE DEFORMATION OF QUARTZ
RAHL, Jeffrey1, MOEHRINGER, Brendan1, BEFUS, Kenneth2 and SINGLETON, John3, (1)Department of Earth and Environmental Geoscience, Washington and Lee University, 204 W Washington St, Lexington, VA 24450-2116, (2)Department of Geosciences, Baylor University, Waco, TX 76798, (3)Department of Geosciences, Colorado State University, Fort Collins, CO 80523-1482
10:40 AM
CHANGES IN DEFORMATION MECHANISM DURING EXHUMATION OF UHP ECLOGITE ARE RELATED TO THE PRESENCE OR ABSENCE OF SUPERCRITICAL FLUID OR MELT, SULU BELT, CHINA
CHEN, Zhe, State Key Laboratory of Geological Processes and Mineral Resources, and Center for Global Tectonics, China University of Geosciences, Wuhan, 68Jincheng Street, East Lake High-tech Devp. Zone, Wuhan, Hubei 430078, China, WANG, Lu, State Key Laboratory of Geological Processes and Mineral Resources and Center for Global Tectonics, China University of Geosciences, Wuhan, 68Jincheng Street, East Lake High-tech Devp. Zone, Wuhan, Hubei Province 430078, China, BROWN, Michael, Department of Geology, University of Maryland, 237 Regents Drive, College Park, MD 20742 and JOHNSON, Tim E., School of Earth and Planetary Sciences, Curtin University, Perth, Western Australia 6845, Australia
10:55 AM
KINEMATIC PARTITIONING IN THE ECHO LAKE DEFORMATION ZONE, SEIAD ULTRAMAFIC COMPLEX, KLAMATH MOUNTAINS, CA
MICHELS, Zachary1, TIKOFF, Basil2, MEDARIS Jr., L. Gordon3, ZIMMERMAN, Mark E.4, KOHLSTEDT, David L.4 and KRUCKENBERG, Seth5, (1)Department of Geosciences, University of Arizona, Tucson, AZ 85721, (2)Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53703, (3)Geology, Macalester College, 1600 Grand Avenue, St. Paul, IL 55105, (4)School of Earth and Environmental Sciences, University of Minnesota - Twin CIties, Minneapolis, MN 55455, (5)Department of Earth and Environmental Sciences, Boston College, 140 Commonwealth Avenue, Chestnut Hill, MA 02467
11:10 AM
MULTISCALE STRAIN PARTITIONING IN THE PULO DO LOBO METASEDIMENTARY ROCKS AFFECTED BY THE SOUTHERN IBERIAN SHEAR ZONE, SOUTHWESTERN SPAIN
CZECK, Dyanna1, KOPINSKI, Kayla P.1, LEVANG, Devin1, DÍAZ-AZPIROZ, Manuel2, FERNÁNDEZ, Carlos3 and MICHELS, Zachary4, (1)Department of Geosciences, University of Wisconsin-Milwaukee, 3209 N. Maryland Ave, Milwaukee, WI 53211, (2)Dpt. Physical, Chemical and Natural Systems, Pablo de Olavide University, Crtra. Utrera, km 1, Sevilla, E 41013, Spain, (3)Departamento de Geodinámica, Estratigrafía y Paleontología, Universidad Complutense de Madrid, 28040, Madrid, Spain, (4)Department of Geosciences, University of Arizona, Tucson, AZ 85721
11:25 AM
IN SITU RB-SR DATING, MICROSTRUCTURAL CHARACTERIZATION AND MINERAL CHEMISTRY ACROSS A SHEAR ZONE WITHIN A SYNTECTONIC PLUTON: AN EXAMPLE FROM THE SHANNON FAULT, YUKON, CANADA
TOLLEFSON, Kyle1, LARSON, Kyle P.1, CLEVEN, Nathan R.2 and MOYNIHAN, David P.3, (1)Department of Earth, Environmental and Geographic Sciences, University of British Columbia Okanagan, Kelowna, BC V1V 1V7, Canada, (2)Geological Survey of Canada, 1500 - 605 Robson Street, Vancouver, BC V6B 5J3, Canada, (3)Yukon Geological Survey, 91807 Alaska Highway, Whitehorse, YT Y1A 0R3, Canada
11:40 AM
LINKING TITANITE U-PB, MICROSTRUCTURAL AND TRACE ELEMENT DATA TO DEFORMATION AND METAMORPHISM IN A LATE-GRENVILLIAN SHEAR ZONE, SAGUENAY-LAC-ST. JEAN, QUÉBEC
GOSSELIN, Eve1, SOUCY LA ROCHE, Renaud1, LARSON, Kyle P.2 and MOUKHSIL, Abdelali3, (1)Eau, Terre, Environnement, Institut National de la Recherche Scientifique, Québec, QC G1K 9A9, Canada, (2)Earth, Environmental and Geographic Sciences, University of British Columbia Okanagan, Kelowna, BC V1V 1V7, Canada, (3)Ministère de l'Énergie et des Ressources naturelles, Québec, QC G1H 6R1, Canada
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