T050
The Alaskan and Northern Canadian Cordillera: Tectonics, Petrology, Geochemistry, Geophysics, and Geology eLightning

Tuesday, 15 December 2020: 08:30-09:30
Virtual
Primary Convener:  Jeffrey Todd Freymueller, Michigan State University, Earth and Environmental Sciences, East Lansing, MI, United States
Conveners:  Julie Elliott, Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States, Richard C Aster, Colorado State University, Geosciences Department, Fort Collins, CO, United States and Derek Schutt, Colorado State University, Geosciences, Fort Collins, CO, United States
Primary Liaison:  Julie Elliott, Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States
Chairs:  Jeffrey Todd Freymueller, Michigan State University, Earth and Environmental Sciences, East Lansing, MI, United States and Julie Elliott, Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States
OSPA Liaison:  Derek Schutt, Colorado State University, Geosciences, Fort Collins, CO, United States
08:30
T050-01
Tomotectonic Reconstruction of Cordilleran North America and the Eastern Proto-Pacific (Invited) (665191)
Karin Sigloch1, Edward Clennett1, Mitchell G. Mihalynuk2, Maria Seton3, Martha A. Henderson4, Kasra Hosseini1, Afsaneh Mohammadzaheri1, Stephen T Johnston5 and Dietmar Müller3, (1)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (2)British Columbia Geological Survey, Victoria, BC, V8W 9N3, BC, Canada, (3)University of Sydney, EarthByte Group, School of Geosciences, Sydney, NSW, Australia, (4)University of Victoria, Victoria, Canada, (5)University of Alberta, Edmonton, AB, Canada
08:33
T050-02
Wrangellia Composite Terrane Collisional Timing from Structurally Restoring Subducted Slabs and Mantle Convection Forward Modeling (717662)
Spencer Fuston, Lorenzo Colli and Jonny Wu, University of Houston, Department of Earth and Atmospheric Sciences, Houston, TX, United States
08:36
T050-03
Interactions between Subduction-related Processes and the Upper Plate Lithosphere in Alaska (732062)
Isabella Gama1, Emily Carrero Mustelier2, Junlin Hua1 and Karen M. Fischer1, (1)Brown University, Department of Earth, Environmental and Planetary Sciences, Providence, RI, United States, (2)Columbia University in the City of New York, Dept. of Earth and Environmental Sciences, New York, United States
08:39
T050-04
Rock exhumation in the northern North American Cordillera (Invited) (672860)
Eva Enkelmann, University of Calgary, Calgary, AB, Canada
08:42
T050-05
The subduction of the Yakutat oceanic plateau and its crustal properties (759590)
Yixian Zheng, Zhejiang University, Zhoushan, China and Michael G Bostock, University of British Columbia, Vancouver, BC, Canada
08:45
T050-06
Continuity Between Surface and Deep Lithospheric Deformational Grain for the Northern Cordillera Using Transportable Array Receiver Functions (676066)
Jonathan Saul Caine, US Geological Survey, Denver, CO, United States, Vera Schulte-Pelkum, Univ Colorado Boulder, Boulder, CO, United States, Thorsten W Becker, University of Texas at Austin, Austin, TX, United States and James V Jones III, US Geological Survey, Anchorage, AK, United States
08:48
T050-07
Surface-wave tomography of the northern Canadian Cordillera using earthquake Rayleigh-wave group velocity measurements (701212)
Clément Esteve1, Jeremy Gosselin1, Pascal Audet1 and Andrew J Schaeffer2, (1)University of Ottawa, Department of Earth and Environmental Sciences, Ottawa, ON, Canada, (2)Geological Survey of Canada, Sidney, Canada
08:51
T050-08
An Updated Velocity Field for Northern Canadian Cordillera (769273)
Connor Drooff, Michigan State University, East Lansing, MI, United States
08:54
T050-09
Kinematics of the Fairweather-Queen Charlotte Transform System and Deformation of the Northeast Pacific plate (773009)
Julie Elliott, Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States and Jeffrey Todd Freymueller, Michigan State University, Earth and Environmental Sciences, East Lansing, MI, United States
08:57
T050-10
Tectonics of the Beaufort Sea margin, western Canadian Arctic and Northern Canadian Cordillera (761380)
Andrew J Schaeffer1, Pascal Audet2, Scott Cairns3, Barrett Elliot3, Clément Esteve2, Roger MacLeod4, Joseph Alan Henton4, Hendrik Falck3, Michael G Bostock5, Fiona Ann Darbyshire6, David B Snyder7, Scott Raymond Dallimore1, Michelle Cote4 and John F Cassidy8, (1)Natural Resources Canada, Ottawa, ON, Canada, (2)University of Ottawa, Department of Earth and Environmental Sciences, Ottawa, ON, Canada, (3)Northwest Territories Geological Survey, Yellowknife, NT, Canada, (4)Natural Resources Canada, Sidney, BC, Canada, (5)University of British Columbia, Vancouver, BC, Canada, (6)University of Quebec at Montreal UQAM, Centre de recherche GEOTOP, Montreal, QC, Canada, (7)Natural Resources Canada, Ottawa, Canada, (8)Geological Survey of Canada Sidney, Pacific Geoscience Centre, Sidney, BC, Canada
09:00
T050-11
July 2020 Simeonof Earthquake: Was slip in the earthquake contained within the interseismically locked region? (763780)
Jeffrey Todd Freymueller, Michigan State University, Earth and Environmental Sciences, East Lansing, MI, United States, Connor Droff, Michigan State University, East Lansing, United States, Julie Elliott, Purdue University, West Lafayette, IN, United States, Logan Fusso, New Mexico Institute of Mining and Technology, Socorro, NM, United States, Ronni Grapenthin, University of California Berkeley, Berkeley, CA, United States and Zhuohui Xiao, School of Geodesy and Geomatics, Wuhan University, Wuhan, China
09:03
Discussion
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