T33B:
Linking Surface and Upper Crustal Kinematics to Deeper Crust and Mantle Flow in Collisions I Posters

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Session ID#: 12954

Session Description:
Structural, chronological, geomorphic and geodetic studies of near surface kinematics in active orogens show a range of behaviors, including fold–thrust belts, footwall duplexing, major strike-slip shear, plateaus, extensional collapse of unsupported topography, and upwards extrusion of material from the deeper crust. 

The extent to which the colliding lithospheres underneath force or follow these patterns is not well understood. In active orogens, flow at deeper levels must be inferred from geophysical datasets. The internal regions of ancient orogens reveal deeper patterns of deformation and metamorphism, but how these linked to surface movements is difficult to interpret. Numerical simulations are often used to test limiting cases.

We invite contributions from any discipline that explores how flow is coupled both vertically and laterally in the lithosphere during orogeny. Participants are encouraged to consider how their work illuminates connections between kinematics and mass transfer from the deepest to the shallowest levels of collisions.
Primary Convener:  David J Young, Ohio State University, Columbus, OH, United States
Conveners:  Alison R Duvall, University of Washington, Earth and Space Sciences, Seattle, United States and Rebecca O Bendick, University of Montana, Geosciences, Missoula, MT, United States
Chairs:  Alison R Duvall, University of Washington, Earth and Space Sciences, Seattle, United States, Rebecca O Bendick, University of Montana, Geosciences, Missoula, MT, United States and David J Young, Ohio State University, Columbus, OH, United States
OSPA Liaison:  David J Young, Ohio State University, Columbus, OH, United States

Cross-Listed:
  • EP - Earth and Planetary Surface Processes
  • G - Geodesy
  • S - Seismology
  • V - Volcanology, Geochemistry and Petrology
Index Terms:

0905 Continental structures [EXPLORATION GEOPHYSICS]
1209 Tectonic deformation [GEODESY AND GRAVITY]
8011 Kinematics of crustal and mantle deformation [STRUCTURAL GEOLOGY]
8110 Continental tectonics: general [TECTONOPHYSICS]

Abstracts Submitted to this Session:

Crust-mantle Coupling Seismogenic Mechanism in Sichuan-Yunnan Region (124586)
Hou Qiang, Liao Si Pei, Zou Wen Yuan and Li Shi Dong, China University of Geosciences Wuhan, Wuhan, China
Seismic Evidence for the North China Plate Underthrusting Beneath Northeastern Tibet and its Implications for Plateau Growth (159922)
Zhuo Ye, Rui Gao, Qiusheng Li and Hongshuang Zhang, Institute of Geology, Chinese Academy of Geological Sciences, Beijing, China
A Sandwich Model in Central Tibet Revealed by SANDWICH Seismic Array (143083)
Xiaobo Tian, State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China and Xiaofeng Liang, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
Normal faulting in south Tibet: Insight from 3-D thermo-mechanical modeling (131172)
Yajin Pang1, Taras Gerya2, Huai Zhang1, Jie Liao3 and Yaolin Shi1, (1)UCAS University of Chinese Academy of Sciences, Beijing, China, (2)ETH Zurich, Department of Earth and Planetary Sciences, Zurich, Switzerland, (3)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
Lithospheric foundering and underthrusting imaged beneath Tibet (155343)
Fenglin Niu1,2, Min Chen3, Jeroen Tromp4, Adrian Lenardic5, Cin-Ty Lee3, Wenrong Cao6 and Julia Ribeiro7, (1)University of Science and Technology of China, School of Earth and Space Sciences, Hefei, China, (2)China University of Petroleum, State Key Laboratory of Petroleum Resources and Prospecting, and Unconventional Natural Gas Institute, Beijing, China, (3)Rice University, Houston, TX, United States, (4)Princeton University, Geosciences, Princeton, NJ, United States, (5)Rice University, Earth, Environmental, and Planetary Sciences, Houston, United States, (6)Rice University, Earth Science Department, Houston, TX, United States, (7)Guangzhou Institute of geochemistry, Guangzhou, China
Investigating the magnitude of lower crustal flow and impact on surface deformation patterns in Tibet using 3-D geodynamic models (160540)
Sarah H Bischoff, Purdue University, West Lafayette, IN, United States and Lucy M Flesch, Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States
Deep Seismic Reflection Profiles across the Karakoram Fault Limit the Role of Crustal Flow in the Western Himalaya (153004)
Simon L Klemperer, Stanford University, Department of Geophysics, Stanford, CA, United States, Zhanwu Lu, IGG Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, Rui Gao, School of Earth Sciences and Engineering, Sun Yat-Sen University, Guangzhou, China, Haiyan Wang, Institute of Geology, Chinese Academy of Geological Sciences, Beijing, China, Wenhui LI, State Key Laboratory of Deep Earth and Mineral Exploration, Institute of Geology, Chinese Academy of Geological Sciences, Beijing, China, Hongqiang Li, Chinese Academy of Geological Sciences, SinoProbe Center, Beijing, China and Shuwen Dong, Chinese Academy of Geological Sciences, Beijing, China
Detailed Crustal Geometry of the Continental Collision between India and Eurasia: Constraints from Deep Seismic Reflection Profiles across the Yarlung-Zangbo Suture, Tibet, at 88°E (153872)
Rui Gao1, Wenhui LI2, Xiaoyu Guo3, Hongqiang Li4, Zhanwu Lu5, Rizheng He6, Lingsen Zeng5, Simon L Klemperer7 and Xingfu Huang8, (1)School of Earth Sciences and Engineering, Sun Yat-Sen University, Guangzhou, China, (2)State Key Laboratory of Deep Earth and Mineral Exploration, Institute of Geology, Chinese Academy of Geological Sciences, Beijing, China, (3)Institute of Geology, Chinese Academy of Geological Sciences, Beijing, China, (4)Chinese Academy of Geological Sciences, SinoProbe Center, Beijing, China, (5)CAGS Chinese Academy of Geological Sciences, Beijing, China, (6)Chinese Academy of Geological Sciences, Institute of Geology, Beijing, China, (7)Stanford University, Department of Geophysics, Stanford, CA, United States, (8)Guilin University of Technology, Guilin, China
3-D Numerical simulations of Greater India reconstructions and its convergence with Eurasia for the last 120 Ma (190485)
Adina E. Pusok1,2, Boris J P Kaus3 and Anton Popov2, (1)University of California San Diego, La Jolla, CA, United States, (2)Johannes Gutenberg University of Mainz, Mainz, Germany, (3)Johannes Gutenberg University of Mainz, Institute for Geosciences, Mainz, Germany
Upper Mantle Fabrics of the Mongolian Central Asian Orogenic Belt: Observations and Inferences from Shear Wave Splitting Intensity Measurements (189482)
Raymond M Russo1, Anne Meltzer2, Josh C Stachnik2, Ulziibat Munkhuu3, Baasanbat Tsagaan4 and Zhongxiong Cui5, (1)University of Florida, Ft Walton Beach, FL, United States, (2)Lehigh University, Earth and Environmental Sciences, Bethlehem, PA, United States, (3)Institute of Astronomy and Geophysics of the Mongolian Academy of Sciences, Ulaanbaatar, Mongolia, (4)Institute of Astronomy and Geophysics, Ulaanbaatar, Mongolia, (5)Lehigh University, Bethlehem, PA, United States
3D numerical modeling on continental collision: Lateral variations and coupling with surface processes (155897)
Kosuke Ueda, ETH Zurich, Zürich, Switzerland, Jie Liao, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland and Taras Gerya, ETH Zurich, Department of Earth and Planetary Sciences, Zurich, Switzerland
Mechanism and Responses of Lithosphere Delamination in Continental Collisional Orogens: A Systematic Numerical Study (126969)
Zhong-Hai Li, University of Chinese Academy of Sciences, Key Laboratory of Computational Geodynamics, College of Earth Sciences, Beijing, China, Mian Liu, University of Missouri, Geological Sciences, Columbia, United States and Taras Gerya, ETH Zurich, Department of Earth and Planetary Sciences, Zurich, Switzerland
Mantle plumes & lithospheric foundering: Determining the timing and amplitude of post-Miocene uplift in the Wallowa mountains, north-east Oregon with low-temperature thermochronometry. (145225)
Philip Schoettle-Greene, University of Washington Seattle Campus, Seattle, United States and Alison R Duvall, University of Washington, Department of Earth and Space Sciences, Seattle, United States
Investigating the Effect of Mantle Flow and Viscosity Structure on Surface Velocities in Alaska Using 3-D Geodynamic Models (160926)
Joseph Daniel McConeghy, Purdue University, West Lafayette, IN, United States, Lucy M Flesch, Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States and Julie Elliott, Michigan State University, Earth and Environmental Sciences, East Lansing, MI, United States
Linking the Deep and Shallow Levels of the Norwegian Caledonides (195506)
David J Young, Ohio State University, Columbus, OH, United States

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