GSA 2020 Connects Online

Session No. 157
Wednesday, 28 October 2020: 5:30 PM-8:00 PM

D26. Structural Geology & Tectonics II

 

Paper #
Start Time
5:30 PM
CASE ISLAND OF SOISALO, EASTERN FINLAND: FROM RIFT RELATED VOLCANISM TO SILICICLASTIC CONTINENTAL MARGIN
ROMU, Ilona1, MIKKOLA, Perttu2, NOUSIAINEN, Maarit2 and NISKANEN, Matti2, (1)Geological Survey of Finland, P.O.Box 1237, KUOPIO, 70211, Finland; Geological Survey of Finland, P.O.Box 1237, KUOPIO, 70211, Finland, (2)Geological Survey of Finland, P.O.Box 1237, KUOPIO, 70211, Finland
5:45 PM
SUBDUCTING GONDWANAN-AFFINITY PASSIVE MARGIN TRIGGERED LATE CRETACEOUS BACK-ARC EXTENSION OF THE BLACK SEA
CAMPBELL, Clay1, TAYLOR, Michael H.1, MUELLER, Megan A.2, LICHT, Alexis2, OCAKOGLU, Faruk3 and MÖLLER, Andreas1, (1)Department of Geology, University of Kansas, Ritchie Hall, Earth, Energy, and Environment Center, 1414 Naismith Dr Room 254,, Lawrence, KS 66045, (2)Department of Earth and Space Sciences, University of Washington, Seattle, WA 98195, (3)Department of Geological Engineering, Eskişehir Osmangazi University, Department of Geological Engineering, Eskişehir Osmangazi University, Eskişehir, 26480, Turkey, Eskişehir, 26480, Turkey
6:00 PM
INDICATORS OF EPEIROGENIC UPLIFT OF THE CANTERBURY BASIN, SOUTH ISLAND, NEW ZEALAND
DVORAK, Katherine, Western Michigan University, Geological and Environmental Studies, 1903 West Michigan Ave, Kalamazoo, MI 49008, KOMINZ, Michelle, Western Michigan University, Geological and Environmental Studies, 1903 W. Michigan Ave, Kalamazoo, MI 49008, FULTHORPE, Craig, Institute for Geophysics, Jackson School of Geosciences, The University of Texas at Austin, 10100 Burnet Road, Austin, TX 78758-4445 and CRUNDWELL, Martin P., GNS Science, 1 Fairway Drive, Avalon, Lower Hutt, 5040, New Zealand
6:15 PM
NEOGENE FAULTING EVENTS RECORDED IN WEAVERVILLE FORMATION GRABENS, SOUTHERNMOST CASCADIA FOREARC
CASHMAN, Susan M., Department of Geology, Humboldt State University, Arcata, CA 95521
 
6:30 PM
Discussion
6:40 PM
PALEOGENE-NEOGENE EXTENSION AND TOPOGRAPHY BUILDING IN THE SOUTHERN CASCADIA FOREARC RECORDED BY DEPOSITION OF THE WEAVERVILLE FORMATION
CHRISTENSEN, Dana J., Geology, Humboldt State University, 1 Harpst Street, Arcata, CA 95521, MICHALAK, Melanie J., Humboldt State University, 1 Harpst Street, Arcata, CA 95521 and CASHMAN, Susan M., Department of Geology, Humboldt State University, Arcata, CA 95521
6:50 PM
DETRITAL THERMOCHRONOLOGICAL DATA DEMONSTRATE FORELAND ACCRETION AND DEFORMATION WAS UNDERWAY BY ~5MA ALONG 300 KM OF THE ACTIVELY DEFORMING NW HIMALAYAN FORELAND
LAMONT, Ellen A.1, MEIGS, Andrew1, SOUSA, Francis1, SOBEL, Edward R.2, THIEDE, Rasmus3, JAYANGONDAPERUMAL, R.4, FLOWERS, Rebecca5, METCALF, James5, WOODRING, Danielle N.1 and ANILKUMAR, Aravind4, (1)Oregon State University, College of Earth, Ocean, Atmospheric Science, Corvallis, OR 97330, (2)Department of Geology & Geophysics, University of Utah, Frederick A. Sutton Building, 115 S 1460 E, Room 383, Salt Lake City, UT 84112-0102, (3)Christian Albrecht Universität zu Kiel, Institut für Geowissenschaften, Kiel, 24118, Germany, (4)Structure and Tectonic Group, Wadia Institute of Himalayan Geology, #33 GMS Road, Dehradun, Uttarakhand, 248001, India, (5)Department of Geological Sciences, University of Colorado Boulder, Boulder, CO 80309
7:00 PM
PROVENANCE INVESTIGATION OF MISSISSIPPIAN AND PENNSYLVANIAN FORELAND BASIN SANDSTONES IN NORTHERN ALABAMA, USA
YATES, Zachary T., ROBINSON, Delores M. and SCHIFFER, William Joel, Department of Geological Sciences, University of Alabama, Tuscaloosa, AL 35406
7:10 PM
NEOGENE MAGMATIC RECORD OF THE SOUTHERN COLOMBIAN ANDES: TECTONIC AND MOUNTAIN BUILDING IMPLICATIONS
JARAMILLO, Juan Sebastián, Grupo de Investigación EGEO, Universidad Nacional de Colombia, Medellin, 050036, Colombia; Smithsonian Tropical Research Institute, Ancón, Panama, CARDONA, Agustin, Escuela de Procesos y Energia, Universidad Nacional de Colombia, Facultad de Minas, Medellin, Colombia; Grupo de Investigación EGEO, Universidad Nacional de Colombia, Medellin, 050036, Colombia, ZAPATA, Sebastian, Smithsonian Tropical Research Institute, Ancón, Panama; Department of Geosciences and Geological and Petroleum Engineering, Missouri University of Science and Technology, USA, Missouri University, Rolla, MO 0000, JARAMILLO, Carlos, Smithsonian Tropical Research Institute, Ancón, Panama and VALENCIA, Victor, School of Earth and Enviromental Sciences, Washington State University, Pullman, WA 99164-2812
7:20 PM
DEVELOPMENT OF THE CRETACEOUS-PALEOGENE UNCONFORMITY FROM THERMOCHRONOLOGY DATA IN THE HINTERLAND OF THE NORTH AMERICAN CORDILLERA
MOORE, Kimberly D., University of Missouri, Department of Geological Sciences, 101 Geological Sciences Bldg, Columbia, MO 65211 and BIDGOLI, Tandis S., Department of Geological Sciences, University of Missouri, 101 Geology Building, Columbia, MO 65211
7:30 PM
STRUCTURAL AND COMPOSITIONAL ASSESSMENT OF THE ESTES UNCONFORMITY, BLACK HILLS, SOUTH DAKOTA
TAITANO, Ryan A.1, LAING, Christian1 and ALLARD, Stephen T.2, (1)Department of Geoscience, Winona State University, 175 W. Mark St, Winona, MN 55987, (2)Department of Geoscience, Winona State University, P.O. Box 5838, Winona, MN 55987
7:40 PM
THE WESTERNMOST TETHYAN MARGINS IN THE RIF BELT (MOROCCO)
FARAH, Aboubaker, Faculty of Sciences Aïn Chock, Hassan II University, BP 5366 Maârif, Casablanca, Morocco, MICHARD, André, Earth Sciences Department, Université Paris-Sud - Orsay, 10 rue des Jeûneurs, Paris, 75002, France, CHALOUAN, Ahmed, Earth Sci. Dept,, Faculty of Sciences, Mohamed V University,, BP 1014, Rabat-Agdal, Morocco., RABAT, 1014, Morocco, SADDIQI, Omar, Department of Geology, Hassan II University of Casablanca, BP 5366 Maarif ROAD EL JADIDA, CASABLANCA, BP 5366, Morocco and CORSINI, Michel, Géoazur, Université Côte d'Azur, CNRS, IRD, Observatoire de la Côte d'Azur, UMR 7329, 250 rue Albert-Einstein, Sophia Antipolis, France., Nice, 06560, France
 
7:50 PM
Discussion
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