T21D:
Behavior of the Lower Crust and the Brittle-Ductile Transition in Continental Deformation II

Tuesday, 16 December 2014: 8:00 AM-10:00 AM
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:

8:00 AM
T21D-01
 
Delocalization of Deformation in a Polymineralic Material
Suzon Jammes, Institute for Geophysics, Austin, TX, United States, Luc L Lavier, Jackson School of Geosciences, Austin, TX, United States and Jacqueline E Reber, University of Texas, Institute for Geophysics, Austin, TX, United States
8:15 AM
T21D-02
 
Fluid-controlled fabric development across a brittle-ductile shear zone: an example from a Wyangala Batholith, Australia
Liene Spruzeniece, Macquarie University, Sydney, NSW, Australia and Sandra Piazolo, Macquarie University, Sydney, Australia
8:30 AM
T21D-03
 
Transient Stress Magnitudes in the Middle Crust along the Alpine Fault
Steven Brooks Kidder1, Virginia G Toy2 and David John Prior2, (1)CUNY City College, New York, NY, United States, (2)University of Otago, Dunedin, New Zealand
8:45 AM
T21D-04
 
Strength Profiles of the Continental Lithosphere: Fabric Dependence, Strain Dependence, and Implications for Stability and Localization
Laurent Montesi, University of Maryland, College Park, MD, United States and Frédéric Gueydan, University of Montpellier II, Montpellier cedex 5, France
9:00 AM
T21D-05
 
Development of Mylonites and Pseudotachylites in Granitic Bodies: Brittle Deformation by Reactivation of Pre-existing Ductile Fabrics Defined by Mica
Hehe Jiang1, Catherine H Ross2, Cin-Ty Lee1 and Julia K Morgan1, (1)Rice University, Houston, TX, United States, (2)McGill University, Department of Earth and Planetary Sciences, Montreal, QC, Canada
9:15 AM
T21D-06
 
Analog Modeling of the Interplay between Subduction and Lateral Extrusion in the European Alps
Inge E van Gelder1, Ernst Willingshofer2 and Dimitrios Sokoutis2, (1)Utrecht University, Utrecht, 3584, Netherlands, (2)Utrecht University, Utrecht, Netherlands
9:30 AM
T21D-07
 
Mechanisms of Strain Localization: Implications for Lithospheric Strength and the Structure of Plate-Boundary Shear Zones
John P Platt, University of Southern California, Earth Sciences, Los Angeles, CA, United States
9:45 AM
T21D-08
 
Role of fluid overpressures in crustal strength and the form of the brittle–ductile transition
John Suppe, NTU National Taiwan University, Taipei, Taiwan
 
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