T22A:
Behavior of the Lower Crust and the Brittle-Ductile Transition in Continental Deformation III

Tuesday, 16 December 2014: 10:20 AM-12:20 PM
Chairs:  Ernst Willingshofer, Utrecht University, Utrecht, Netherlands 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:

10:20 AM
T22A-01
 
Fluid-Control of the Crustal Brittle-Plastic Transition (BPT) During Extension: Permanent Embrittlement at High Temperatures
Gary J Axen, New Mexico Institute of Mining and Technology, Socorro, NM, United States and Jane Selverstone, University of New Mexico, Albuquerque, NM, United States
10:35 AM
T22A-02
 
The effect of syntectonic hydration on rock strength, fabric evolution, and polycrystalline flow in mafic lower continental crust rocks
Amanda Getsinger, Brown University, Geological Sciences, Providence, RI, United States and Greg Hirth, Brown Univeristy, Providence, RI, United States
10:50 AM
T22A-03
 
Evolution of Continental Lower Crust Recorded By an Exhumed Deep Crustal Intracontinental Shear Zone
Gregory Dumond1, Kevin H Mahan2, Sean Regan3, Michael L Williams4, Philippe Goncalves5 and Victoria R Wood1, (1)University of Arkansas, Fayetteville, AR, United States, (2)University of Colorado at Boulder, Geological Sciences, Boulder, CO, United States, (3)University of Massachusetts Amherst, Geosciences, Amherst, MA, United States, (4)University of Massachusetts, Amherst, MA, United States, (5)Université de Franche-Comté, UMR 6249 Chrono-Environnement, Besançon, France
11:05 AM
T22A-04
 
Abrupt variations in brittle-ductile transition depth and lower crustal properties beneath two branches of the north Anatolian fault zone, Turkey.
David G Cornwell1, Metin Kahraman2, David A Thompson3, Sebastian Rost3, Gregory A Houseman4, Niyazi Turkelli5, Ugur Teoman2, Selda Altuncu Poyraz6, Levent Gülen7 and Murat Utkucu8, (1)University of Aberdeen, Aberdeen, United Kingdom, (2)Kandilli Observatory, Istanbul, Turkey, (3)University of Leeds, Leeds, LS2, United Kingdom, (4)University of Leeds, Leeds, United Kingdom, (5)Kandilli Observatory, Geophysics, Istanbul, Turkey, (6)Bogazici University, Istanbul, Turkey, (7)Sakarya University, Sakarya, Turkey, (8)Sakarya University, Geophysics, Sakarya, Turkey
11:20 AM
T22A-05
 
Scaling of Viscous Shear Zones with Depth Dependent Viscosity and Power Law Stress-strain Rate Dependence
James Daniel Paul Moore and Barry Parsons, University of Oxford, Oxford, United Kingdom
11:35 AM
T22A-06
 
Possible transient creep events in a brittle-ductile continental crust: observations, experiments and potential models.
Luc L Lavier1, Nicholas W Hayman2, Jacqueline E Reber2, Suzon Jammes3, Richard A Bennett4 and Ravindra Duddu5, (1)Jackson School of Geosciences, Austin, TX, United States, (2)University of Texas, Institute for Geophysics, Austin, TX, United States, (3)Institute for Geophysics, Austin, TX, United States, (4)University of Arizona, Department of Geosciences, Tucson, AZ, United States, (5)Vanderbilt-Civil and Envr Eng, Nashville, TN, United States
11:50 AM
T22A-07
 
Probing the Lithospheric Rheology Across the Eastern Margin of the Tibetan Plateau Based on Postseismic Deformation
Mong-Han Huang, University of California Berkeley, Berkeley, CA, United States, Roland Burgmann, Univ California Berkeley, Seismological Laboratory, Berkeley, CA, United States and Andrew Mark Freed, Purdue Univ, West Lafayette, IN, United States
12:05 PM
T22A-08
 
THE EFFECTS OF THE BRITTLE-DUCTILE TRANSITION ON THE INDIA-ASIA INTRACONTINENTAL SUBDUCTION ZONE
John M Cannon and Michael Murphy, University of Houston, Houston, TX, United States
 
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