GSA Connects 2024 Meeting in Anaheim, California

Session No. 225
Wednesday, 25 September 2024: 8:00 AM-12:00 PM
212B (Anaheim Convention Center)

D22. Recent Advances in Structural Geology & Tectonics

 

Tyler Grambling, John Singleton and Benjamin Surpless, Chairs
John Singleton and Benjamin Surpless, JTPCS
Paper #
Start Time
8:00 AM
FLUID-MEDIATED DEFORMATION LEADS TO WEAKENING, STRENGTHENING AND BLOCK-IN-MATRIX STRUCTURES DURING PROGRADE SUBDUCTION AND MELANGE FORMATION
CONDIT, Cailey1, POULAKI, Eirini1, LINDQUIST, Peter2, NICHOLS, Claire I.O.3, FERRELL, Megan4, ODLUM, Margo5, HOOVER, Will6 and GUEVARA, Victor7, (1)Department of Earth and Space Sciences, University of Washington, 819 NW Market St, 4000 15th Avenue NE, Seattle, WA 98107, (2)Department of Earth and Space Sciences, University of Washington, Seattle, WA 98195, (3)Department of Earth Sciences, University of Oxford, Oxford, OX1 3AN, United Kingdom, (4)Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92093, (5)Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA 92093, (6)University of Washington, (7)Geology Department, Amherst College, 11 Barrett Hill Dr, Amherst, MA 01002
8:15 AM
FLUID CHANGES ALONG A TRANSECT OF QUARTZITE FROM STRONG TO WEAK: WHERE DID THE WATER GO?
MORGAN, Sven, Department of Natural Sciences, University of Michigan-Dearborn, 130 SFC, 4901 Evergreen Rd, Dearborn, MI 48128, TREVINO, Sarah F., Geoscience, University of Wisconsin–Madison, 1215 W Dayton St, Madison, WI 53706-1600, STUDENT, James, Mount Pleasant, MI 48859, KITAJIMA, Kouki, Geoscience Department, University of Wisconsin-Madison, 1215 W Dayton St., Madison, WI 53706 and SPICUZZA, M.J., Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St., Madison, WI 53706
8:30 AM
THE MECHANICAL BEHAVIOR OF NATURALLY DEFORMED QUARTZ IN THE FOLDED CONTACT AUREOLE OF THE EUREKA VALLEY – JOSHUA FLAT – BEER CREEK (EJB) COMPOSITE PLUTON
TREVINO, Sarah F., Department of Geoscience, University of Wisconsin - Madison, 1215 W Dayton St., Madison, WI 53706, MORGAN, Sven, Department of Natural Sciences, University of Michigan-Dearborn, 130 SFC, 4901 Evergreen Rd, Dearborn, MI 48128, STUDENT, James, Mount Pleasant, MI 48859 and ROBERTS, Nicolas, Hamilton College, Department of Geosciences, 198 College Hill Rd, Clinton, NY 13323
8:45 AM
RESOLVING RAPID TIMESCALES OF METEORIC WATER-FACILITATED STRAIN-SOFTENING IN THE DUCTILE CRUST: AN EXAMPLE FROM THE CORDILLERA BLANCA SHEAR ZONE, PERUVIAN ANDES
GRAMBLING, Tyler, Geology Department, Colorado College, 14 East Cache la Poudre St, Colorado Springs, CO 80903, JESSUP, Micah J., Department of Earth and Planetary Sciences, University of Tennessee, 1621 Cumberland Ave, 602 Strong Hall, Knoxville, TN 37996, NEWELL, Dennis L., Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322, MULCH, Andreas, Senckenberg Biodiversity and Climate Research Centre, 60325 Frankfurt, Germany, Goethe University Frankfurt, Institute of Geosciences, Frankfurt, 60438, Germany, METHNER, Katharina, Institut für Geophysik und Geologie, Universitӓt Leipzig, Geologie (B), Institutsgebäude Talstraße 35, Room 0-05, Leipzig, 04103, Germany and HEIZLER, Matthew, New Mexico Bureau of Geology & Mineral Resources, New Mexico Geochronology Research Laboratory, 801 Leroy Place, Socorro, NM 87801
 
9:00 AM
Break
9:15 AM
DEFINING THE MAIN MÁRTIR THRUST IN BAHĹA DE LOS ÁNGELES, BAJA CALIFORNIA, MEXICO
O'KEEFE, Caitlin, Earth and Environmental Sciences, San Diego State University, 5500 Campanile Dr, San Diego, CA 92115, ALMEIDA, Rafael, Earth and Environmental Science, San Diego State University, 5500 Campanile Drive MC1020, San Diego, CA 92182 and KIMBROUGH, David, Earth and Environmental Science, San Diego State University, 5500 Campanile Dr, San Diego, CA 92182
9:30 AM
TWO HIGH-TEMPERATURE METAMORPHIC EVENTS PRESERVED IN DETRITAL ZIRCONS FROM THE METAMORPHIC SOLE OF THE FEATHER RIVER BELT, NORTHERN SIERRA NEVADA, CALIFORNIA
SHIMABUKURO, David, Department of Geology, California State University, Sacramento, CA 95819, SANBORN, Erica, Department of Geology, California State University, Sacramento, Sacramento, CA 95819, WAKABAYASHI, John, Department of Earth and Environmental Sciences, California State University, Fresno, CA 93740, DESORMEAU, Joel, Department of Geological Sciences and Engineering, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557-0172 and CECIL, Robinson, Department of Geological Sciences, California State University Northridge, Northridge, CA 91330-8266
9:45 AM
MANTLE DYNAMICS BELOW SOUTHWESTERN CANADA: SMALL-SCALE CONVECTION AND IMPLICATIONS FOR THE THIN CORDILLERA LITHOSPHERE (Invited Presentation)
CURRIE, Claire, YU, Tai-chieh and BARUAH, Amar Jyoti, Department of Physics, University of Alberta, Edmonton, AB T6G 2E1, Canada
10:00 AM
NORTHERN SIERRA NEVADA PALEOZOIC-MESOZOIC TECTONIC EVOLUTION RESPECULATED (Invited Presentation)
WAKABAYASHI, John, Department of Earth and Environmental Sciences, California State University, Fresno, CA 93740
10:15 AM
BASIN-SCALE VALIDATION OF STABLE ISOTOPE PALEOALTIMETRY IN THE INTERMONTANE WESTERN USA
LONSDORF, Tara, Dept. of Earth and Environmental Sciences, University of Michigan, 1100 N University Ave, Ann Arbor, MI 48109 and NIEMI, Nathan, Department of Earth and Environmental Sciences, University of Michigan, 1100 N University Ave, Ann Arbor, MI 48109-1005
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