T045
Seismic Imaging and Geodynamical Modeling of Lithosphere and Mantle
Session ID#: 83353
Session Description:
Continents such as Eurasia and North America are well instrumented with large-aperture and relatively homogeneous seismic arrays. These continental-scale broadband seismic arrays (e.g., USArray, CEArray, and AlpArray) have provided unprecedented data sets for refining 3-D models of seismic properties in the Earth, and in particular mapping the details of lithosphere and mantle. These refined 3-D seismic images help advance the understanding of the evolution of continental lithosphere, subducted oceanic lithosphere, and mantle upwellings, providing constraints for geodynamic models and insights into the storage and transport of volatiles and melts. The purpose of this session is to highlight new findings in these improved seismic images and new geodynamic models that incorporate constraints from seismic imaging results, with the goal of discussing their implications for plate tectonics and mantle processes. We welcome contributions focused on seismic imaging and/or geodynamical modeling of lithosphere and mantle and their implications.
Index Terms:
8120 Dynamics of lithosphere and mantle: general [TECTONOPHYSICS]
8121 Dynamics: convection currents, and mantle plumes [TECTONOPHYSICS]
8170 Subduction zone processes [TECTONOPHYSICS]
8180 Tomography [TECTONOPHYSICS]
Primary Convener: Min Chen, Michigan State University, Department of Computational Mathematics, Science and Engineering, East Lansing, MI, United States
Conveners: Ying Zhou, Department of Geosciences, Virginia Tech, Blacksburg, VA, United States, Songqiao Shawn Wei, Michigan State University, Department of Earth and Environmental Sciences, East Lansing, MI, United States and Jonathan R Delph, University of Oregon, Department of Earth Sciences, Eugene, OR, United States
Primary Liaison: Min Chen, Michigan State University, Department of Computational Mathematics, Science and Engineering, East Lansing, MI, United States
Anisotropy and Mantle Flow in the Indo-Burman Subduction Zone from Shear Wave Splitting Analysis (490962)
Md Mohimanul Islam1, Patricia Persaud2, Rasheed Ajala2, Michael S Steckler3, James B Gaherty3, Oo Than4, Kyaw Moe Oo4 and Eric A Sandvol1, (1)University of Missouri Columbia, Columbia, MO, United States, (2)Louisiana State University, Department of Geology and Geophysics, Baton Rouge, LA, United States, (3)Lamont Doherty Earth Observatory, Palisades, NY, United States, (4)Department of Meteorology and Hydrology, Naypyidaw, Myanmar
Adjoint Tomography of South America based on 3D Spectral-Element Seismic Wave Simulations (493733)
Caio Ciardelli, USP University of Sao Paulo, São Paulo, Brazil, Suzan Van der Lee, Northwestern University, Evanston, IL, United States, Ebru Bozdag, Colorado School of Mines, Golden, CO, United States and Marcelo Assumpcao, IAG-USP Cidade Univ, Sao Paulo, Brazil
Structure and Geodynamics of the Nazca Ridge (496833)
Valeria Cortes Rivas, University of Chile, Santiago, Chile, Eduardo Contreras Reyes, Universidad de Chile, Department of Geophysics, Santiago, Chile and Anne Krabbenhoeft, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Asthenosphere-lithosphere interaction shapes the geology of the western United States (Invited) (496942)
Lijun Liu, University of Illinois at Urbana-Champaign, Urbana, IL, United States, Quan Zhou, Geophysics, School of Geodesy and Geomatics, Wuhan University, China, Wuhan, China and Zebin Cao, University of Illinois at Urbana Champaign, Urbana, IL, United States
Towards a Refined 3D Model of the Western Pacific Slab to Investigate the Nature of Deep Earthquakes (502552)
Ziyi Xi1, Min Chen1,2, Tong Zhou1, Baoshan Wang3,4 and Younghee Kim5, (1)Michigan State University, Department of Computational Mathematics, Science and Engineering, East Lansing, MI, United States, (2)Michigan State University, Department of Earth and Environmental Sciences, East Lansing, MI, United States, (3)University of Science and Technology of China, School of Earth and Space Sciences, Hefei, China, (4)Institute of Geophysics, China Earthquake Administration, Beijing, China, (5)Seoul National University, School of Earth and Environmental Sciences, Seoul, South Korea
Plate Deformation at Cascadia's Northern Terminus (507240)
Genevieve Savard1, Michael G Bostock2, Jesse A Hutchinson3, Honn Kao4, Nikolas I Christensen2 and Simon M Peacock2, (1)University of Calgary, Calgary, AB, Canada, (2)University of British Columbia, Vancouver, BC, Canada, (3)University of Victoria, Victoria, BC, Canada, (4)Geological Survey of Canada, Pacific Geoscience Centre, Sidney, BC, Canada
Shear Velocity Structure Across the Indo-Burman Accretionary Margin from Ambient-Noise and Teleseismic Rayleigh Waves (509991)
Christopher James William Carchedi, Columbia University of New York, Lamont-Doherty Earth Observatory, Palisades, NY, United States, James B Gaherty, Columbia University in the City of New York, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Eric A Sandvol, University of Missouri , Columbia, Columbia, MO, United States, Patricia Persaud, California Institute of Technology, Pasadena, CA, United States and Michael S Steckler, Lamont-Doherty Earth Obs, Palisades, NY, United States
The Iceland Plume rising from beneath Greenland imaged by waveform tomography (515418)
Nicolas Luca Celli1, Sergei Lebedev1, Andrew Schaeffer2 and Carmen Gaina3, (1)Dublin Institute for Advanced Studies, Dublin, Ireland, (2)Geological Survey of Canada, Sidney, Canada, (3)University of Oslo, Centre for Earth Evolution and Dynamics (CEED), Oslo, Norway
Joint regional earthquake and teleseismic traveltime tomography of Myanmar (532179)
Jiayuan Yao1, Shaolin Liu2, Meng Chen3, Shengji Wei4, Judith Hubbard4 and Ping Tong5, (1)Nanyang Technological University, Division of Mathematical Sciences, School of Physical and Mathematical Sciences, Singapore, Singapore, (2)Nanyang Technological University, Singapore, Singapore, (3)Earth Observatory of Singapore, Singapore, Singapore, (4)Nanyang Technological University, Earth Observatory of Singapore, Singapore, Singapore, (5)University of Toronto, Toronto, ON, Canada
3D seismic structure beneath the Taurus-Zagros region of Iran and Turkey constrained by full-waveform inversion (540027)
Neda Masouminia1,2, Dirk-Philip van Herwaarden2, Solvi Thrastarson2, Lion Krischer2, Habib Rahimi1, Christian Boehm2, Michael Afanasiev2 and Andreas Fichtner2, (1)University of Tehran, Department of Physics of the Earth, Institute of Geophysics, Tehran, Iran, (2)ETH Zurich, Department of Earth Sciences, Institute of Geophysics, Zurich, Switzerland
Determination of Phase and Group Velocities between Greater Caucasus and North-Eastern Anatolia (554121)
Utku Kocum, University of Missouri Columbia, Columbia, MO, United States, Gurban Yetermishli, Republican Seismic Survey Center of Azerbaijan National Academy of Sciences, Baku, Azerbaijan, Tea Godoladze, Ilia State University, Institute of Earth Sciences and National Siesmic Monitoring Centre, Tbilisi, Georgia, Hektor Babayan, Institute of Geological Sciences, RA, Yerevan, Armenia, Alexey Malovichko, Geophysical Survey RAS, Obninsk, Russia, John Nabelek, Oregon State University, CEOAS, Corvallis, OR, United States, Kevin G Mackey, Michigan State University, East Lansing, MI, United States, Ayse Kaslilar, Uppsala University, Earth Sciences Department, Uppsala, Sweden and Eric A Sandvol, University of Missouri , Columbia, Columbia, MO, United States
Crustal Thickness Variation Beneath the United States Using Teleseismic Body Wave Autocorrelations and Receiver Functions. (570808)
Neng Xiong1, Jonathan R Delph2, Fenglin Niu3 and Alan Levander3, (1)Rice University, Earth, Environmental, and Planetary Science, Houston, TX, United States, (2)University of Oregon, Department of Earth Sciences, Eugene, OR, United States, (3)Rice University, Earth, Environmental and Planetary Sciences, Houston, TX, United States
Investigation of the Crust in Oklahoma from Broadband Teleseismic Receiver Functions (592010)
Zhuobo Wang, University of Oklahoma Norman Campus, Norman, OK, United States, Patricia Persaud, Louisiana State University, Department of Geology and Geophysics, Baton Rouge, LA, United States and Michael Behm, University of Oklahoma Norman Campus, School of Geosciences, Norman, OK, United States
3-D Shear Wave Velocity Structure of South China from Rayleigh Wave Tomography (598355)
Shuoxian Ning, ITAG Institute of Theoretical and Applied Geophysics, Peking University, Beijing, China, Zhen Guo, Shenzhen, China and Yongshun John Chen, SUSTech, Department of Ocean Science and Engineering Southern University of Science and Technology, Shenzhen, China
Yellowstone’s tectonic parabola and lower-crustal flow: Application of the waterbed model for ductile lower crust (601165)
Jonathan Perry-Houts, University of Oregon, Eugene, OR, United States, Eugene Humphreys, Univ Oregon, Eugene, OR, United States, Alison R Duvall, University of Washington, Seattle, WA, United States, Nate Mitchell, Indiana University Bloomington, Bloomington, IN, United States, Philip Schoettle-Greene, Univ of Toronto, Toronto, ON, Canada, Seth Williams, University of Washington, Seattle, United States and Brian J Yanites, University of Idaho, Moscow, ID, United States
A novel nodal seismic investigation into the Mt. Meager geothermal system (632195)
Hongyi Su1, Hersh J Gilbert1, Jan Dettmer1 and Stephen Edward Grasby2, (1)University of Calgary, Department of Geoscience, Calgary, AB, Canada, (2)Natural Resources Canada - Canadian Research Service, Calgary, AB, Canada
