T13A:
Behavior of the Lower Crust and the Brittle-Ductile Transition in Continental Deformation I Posters

Monday, 15 December 2014: 1:40 PM-6:00 PM
Chairs:  Gary J Axen, New Mexico Institute of Mining and Technology, Socorro, NM, United States and Jolante W Van Wijk, New Mexico Institute of Mining and Technology, Socorro, NM, United States
Primary Conveners:  Jolante W Van Wijk, New Mexico Institute of Mining and Technology, Socorro, NM, United States
Co-conveners:  Gary J Axen, New Mexico Institute of Mining and Technology, Socorro, NM, United States and Claire A Currie, University of Alberta, Edmonton, AB, Canada
OSPA Liaisons:  Jolante W Van Wijk, New Mexico Institute of Mining and Technology, Socorro, NM, United States

Abstracts Submitted to this Session:

4608
 
Lithospheric Decoupling and Rotations: Hints from Ethiopian Rift
Ameha Atnafu Muluneh1, Marco Cuffaro2, Carlo Doglioni3 and Tesfaye Kidane1, (1)Addis Ababa University, Addis Ababa, Ethiopia, (2)IGAG-CNR, Rome, Italy, (3)Sapienza University of Rome, Rome, Italy
4609
 
Continental Rifts: Lithospheric Weakness and Strength Contrasts as Triggers for Necking Instabilities
Stefanie Wenker and Chris Beaumont, Dalhousie University, Halifax, NS, Canada
4610
 
Does Crustal Rheology Impact Melt Composition during Continental Break-up?
John J Armitage1, Kenni Dinesen Petersen2 and Marta Perez-Gussinye1, (1)Royal Holloway University of London, Egham, United Kingdom, (2)Aarhus University, Department of Geoscience, Aarhus, Denmark
4611
 
Two-Mode Growth of the Tibetan Plateau
Mian Liu, University of Missouri Columbia, Columbia, MO, United States and Yujun Sun, SinoProbe, Beijing, China
4612
 
Formation of Retro-Wedges during Collision: Insights from Analog and Numerical Modeling
Ernst Willingshofer1, Katharina Vogt1, Dimitrios Sokoutis1 and Liviu-Ciprian Matenco2, (1)Utrecht University, Utrecht, Netherlands, (2)Utrecht University, Utrecht, 3584, Netherlands
4613
 
Modes of continental extension in a lithospheric wedge
Guangliang Wu, University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States, Luc L Lavier, Jackson School of Geosciences, Austin, TX, United States and Eunseo Choi, University of Memphis, Center for Earthquake Research and Information, Memphis, TN, United States
4614
 
Diverse Pseudotachylites Associated with the Whipple Detachment Fault: Implications for Seismogenesis on Low-Angle Normal Faults
Emilie Gentry, Whitney M Behr and Stephanie Wafforn, University of Texas at Austin, Austin, TX, United States
4615
 
The Ray Corner High Strain Zone of the Norumbega Fault System in Maine: A Complex History of Ductile Shear, Brittle Deformation, and Paleoseismicity
David P West Jr1, Stephen G Pollock2, Won Joon Song3, Nancy Price4 and Scott E Johnson3, (1)Middlebury College, Middlebury, VT, United States, (2)University of Southern Maine, Gorham, ME, United States, (3)University of Maine, Orono, ME, United States, (4)Portland State University, Portland, OR, United States
4616
 
Structural Evidence for Fluid-Assisted Shear Failure within a Ductile Shear Zone
Katharine Compton and James D Kirkpatrick, Colorado State University, Fort Collins, CO, United States
4617
 
Improved image of a large Moho step in the continental lithosphere: the Taranaki-Ruapehu Line, New Zealand.
Jesse Dimech1, Oliver Salz Boyd2 and Tim A Stern1, (1)Victoria University of Wellington, Wellington, New Zealand, (2)U.S. Geological Survey, Denver, CO, United States
4618
 
Crustal Viscosity Structure Estimated from Multi-Phase Mixing Theory
William Joseph Shinevar, Brown University, Providence, RI, United States, Mark D Behn, Woods Hole Oceanographic Inst, Woods Hole, MA, United States and Greg Hirth, Brown Univeristy, Providence, RI, United States
4619
 
FTIR Maps and Spatial Distributions of OH in Caledonide and Himalayan Shear Zones: Implications for Dislocation Creep and Water Weakening
Andreas K Kronenberg1, Hasnor F.B. Hasnan1, Caleb W Holyoke III2, Johannes A. Kronenberg3, Richard Derek Law4 and Jay B Thomas5, (1)Texas A & M Univ, College Station, TX, United States, (2)Texas A&M University, College Station, TX, United States, (3)University of Chicago, Mathematics, Chicago, IL, United States, (4)Virginia Tech, Blacksburg, VA, United States, (5)Rensselaer Polytechnic Inst, Troy, NY, United States
4620
 
Development of kink bands in granodiorite: Effect of mechanical heterogeneities, fault geometry, and friction
Tanvi Dhiren Chheda1, Johanna M Nevitt2 and David D Pollard2, (1)Cornell University, Ithaca, NY, United States, (2)Stanford University, Stanford, CA, United States
4621
 
Modeling Deformation Processes of Northeastern Japan Island Arc Considering Rheological Structure Affected by Hot Mantle Fingers
Bunichiro Shibazaki, International Institute of Seismology and Earthquake Engineering,Building Research Institute, Ibaraki, Japan, Jun Muto, Tohoku University, Sendai, Japan, Takumi Matsumoto, NIED, Tsukuba, Ibaraki, Japan and Takeshi Iinuma, International Research Institute of Disaster Science, Sendai, Japan
4622
 
Transitional Moho and low velocity crust under eastern border of the Tibetan Plateau
Jiuhui Chen, Qiyuan Liu, Biao Guo, Yu Li, Shuncheng Li and Shaohua Qi, Institute of Geology, China Earthquake Administration, State Key Laboratory of Earthquake Dynamics, Beijing, China
4623
 
Mechanisms of doubly-vergent vs. single-sided orogens: insights from numerical modelling
Katharina Vogt1, Liviu-Ciprian Matenco1, Taras Gerya2 and Sierd Cloetingh1, (1)Utrecht University, Utrecht, 3584, Netherlands, (2)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
4624
 
Extremely weak lower crust and the lower crustal flow induced by crustal thickening
Petr Jerabek1, Ondrej Lexa1,2, Petra Maierova2 and Karel Schulmann2, (1)Charles University, Prague, Czech Republic, (2)Czech Geological Survey, Centre for Lithospheric Research, Prague, Czech Republic
4625
 
Development of foreland basins around western Sichuan basin, and implications for mountain building in eastern Tibet
Shi Chen, IGP Institute of Geophysics, China Earthquake Administration, Beijing, China and Mian Liu, University of Missouri Columbia, Columbia, MO, United States
4626
 
High resolution images of the mid- to lower-crust beneath the North Anatolian Fault obtained using the scattered seismic wavefield
David A Thompson1,2, Sebastian Rost1, Greg Houseman3, David G Cornwell2, Niyazi Turkelli4, Ugur Teoman4, Metin Kahraman5, Selda Altuncu Poyraz6, Levent Gülen7, Murat Utkucu8, Stephane Rondenay9 and Andrew W Frederiksen10, (1)University of Leeds, Leeds, LS2, United Kingdom, (2)University of Aberdeen, Aberdeen, United Kingdom, (3)University of Leeds, Leeds, United Kingdom, (4)Kandilli Observatory, Geophysics, Istanbul, Turkey, (5)Kandilli Observatory, Istanbul, Turkey, (6)Bogazici University, Istanbul, Turkey, (7)Sakarya University, Sakarya, Turkey, (8)Sakarya University, Geophysics, Sakarya, Turkey, (9)University of Bergen, Bergen, Norway, (10)University of Manitoba, Winnipeg, MB, Canada
4627
 
­Crustal Structure of the Western Anatolian Extensional Province: Evidence for a ductile lower crust through the joint inversion of Receiver Functions and Dispersion Data
Jonathan R Delph1, Metin Kahraman2, George Zandt1, Susan L Beck1, Arda A. Ozacar3 and Niyazi Turkelli2, (1)University of Arizona, Tucson, AZ, United States, (2)Kandilli Observatory, Istanbul, Turkey, (3)Middle East Technical University, Ankara, Turkey
4628
 
Preliminary Investigation of the Footwall Transition of the Borrego Spring Shear Zone
Michael Vadman, California State Polytechnic University Pomona, Pomona, CA, United States
4629
 
Seismogenic Cycles, Quartz Microstructures and Localization at the Frictional to Viscous Transition in an Exhumed, Large-Displacement, Seismogenic Strike-Slip Fault
Scott E Johnson1, Won Joon Song1, Nancy Price2, Bo Ra Song1, Christopher C Gerbi1 and David P West Jr3, (1)University of Maine, Orono, ME, United States, (2)Portland State University, Portland, OR, United States, (3)Middlebury College, Middlebury, VT, United States
4630
 
Anatomy of a diffuse cryptic suture zone exemplified by European Variscan belt: a new view on the internal architecture of collisional orogens
Ondrej Lexa1, Karel Schulmann2, Vojtech Janousek2 and Jean Marc Lardeaux3, (1)Charles University, Institute of Petrology and Structural Geology, Prague, 180, Czech Republic, (2)Czech Geological Survey, Centre for Lithospheric Research, Prague, Czech Republic, (3)Université Nice Sophia-Antipolis, UMR Géoazur, Sophia Antipolis, France
4631
 
Flexural Rigidity of the Lithosphere as a Powerful Tool for the Continental Correlation: A study on the Paleo-fit of India and Madagascar
R.T Ratheesh Kumar, Indian Institute of Science, Bangalore, India
 
See more of: Tectonophysics
<< Previous Session | Next Session >>