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Orals TS3.1/EMRP4.3/GD7.6

TS3.1/EMRP4.3/GD7.6

Ductile deformation and its interaction with brittle fracture: fabrics, strain localization, fluid-rock interaction and metamorphic conditions (including the TS OYSA lecture) (co-sponsored by AGU-Tectonophysics) (co-organized)
Convener: Luca Menegon  | Co-Conveners: Michael Stipp , Richard Law , Giorgio Pennacchioni , Neil Mancktelow , Francois Renard , Stéphane Rondenay 
Orals
 / Thu, 01 May, 10:30–12:00  / 13:30–17:00  / Room B1
Posters
 / Attendance Thu, 01 May, 17:30–19:00  /  / Attendance 17:30–19:00
 / Attendance Thu, 01 May, 17:30–19:00  /  / Attendance 17:30–19:00
 / Attendance Thu, 01 May, 17:30–19:00  /  / Attendance 17:30–19:00  / Blue Posters

Thursday, 1 May 2014
Room B1
Chairperson: Luca Menegon, Micheal Stipp
Deformation Mechanisms and Rheology

10:30–10:45
EGU2014-14812
Strain localisation: Shear zones in the lithospheric mantle
Andrea Tommasi, Alain Vauchez, David Mainprice, and Sylvie Demouchy
10:45–11:00
EGU2014-929
Protracted fabric evolution in olivine: Implications for the relationship among strain, crystallographic fabric, and seismic anisotropy (solicited)
Lars Hansen, Yong-Hong Zhao, Mark Zimmerman, and David Kohlstedt
11:00–11:15
EGU2014-14645
Phase distribution and flow mechanism in an amphibolite facies ultramylonite
Rüdiger Kilian
11:15–11:30
EGU2014-11147
Plagioclase deformation in upper-greenschist facies meta-pegmatite mylonites from the Austroalpine Matsch Unit (Eastern Alps, Italy)
Tobias Eberlei, Gerlinde Habler, Rainer Abart, and Bernhard Grasemann
11:30–11:45
EGU2014-3678
Crystallographically controlled crystal-plastic deformation of zircon in shear zones
Elizaveta Kovaleva and Urs Klötzli
11:45–12:00
EGU2014-2740
Towards the determination of deformation rates - pinch-and-swell structures as a natural and simulated paleo-strain rate gage
Max Peters, Thomas Poulet, Ali Karrech, Klaus Regenauer-Lieb, and Marco Herwegh
Lunch Break
Fluids, Metamorphism and Deformation

13:30–13:45
EGU2014-8928
Seismicity, metamorphism and rheology of the lower continental crust (solicited)
Håkon Austrheim
13:45–14:00
EGU2014-3460
Large Subduction Earthquakes along the fossil MOHO in Alpine Corsica: what was the role of fluids?
Torgeir B. Andersen, Natalie Deseta, Petter Silkoset, Håkon Austrheim, and Lewis D. Ashwal
14:00–14:15
EGU2014-5879
Intermediate-depth Fracturing of Oceanic Lithosphere in Subduction Zones: Memories from Exhumed High-Pressure Ophiolites (solicited)
Samuel Angiboust, Onno Oncken, and Philippe Agard
14:15–14:30
EGU2014-2074
Cycles of fluid involved cataclasis and ductile flow at mid-crustal level during Alpine deformation in the Aar massif (Central Alps, Switzerland)
Philip Wehrens, Marco Herwegh, and Alfons Berger
14:30–14:45
EGU2014-2311
Nappe-Bounding Shear Zones Initiated On Syn-Tectonic, Pegmatite-Filled Extensional Shear Fractures During Deep-Crustal Nappe Flow In A Large Hot Orogen
Nicholas Culshaw, Christopher Gerbi, Jeffrey Marsh, and Peter Regan
14:45–15:00
EGU2014-7420
Melt-Present Deformation across the Strike of a Collisional Orogen: P-T-t-d results from the Western Gneiss Region, Norway
Stacia M Gordon, Donna L Whitney, Christian Teyssier, Haakon Fossen, Joel DesOrmeau, and Benjamin Jessen
Coffee Break
Fracturing and Localized Viscous Flow in the Lower Crust

15:30–15:45
EGU2014-4573
Strain localization and grain size reduction during high-stress low-temperature plasticity and subsequent creep below the seismogenic zone (solicited)
Claudia Trepmann
15:45–16:00
EGU2014-8650
Shear localization due to thermo-mechanical feed-back and anisotropy (solicited)
Stefan Markus Schmalholz and Thibault Duretz
16:00–16:15
EGU2014-10544
Grain size assisted formation of pseudotachylites: A numerical study
Marcel Thielmann, Antoine Rozel, Boris Kaus, and Yanick Ricard
16:15–16:30
EGU2014-14040
Thermal Runaway during Intermediate-Depth Earthquake Rupture (solicited)
German Prieto, Manuel Florez, Sarah Barrett, Gregory Beroza, Patricia Pedraza, Jose Blanco, and Esteban Poveda
16:30–16:45
EGU2014-10684
A new perspective on the physics of anastomosing ductile and brittle shear-zones
Sven Erik Meyer, Boris Kaus, and Cees Passchier
16:45–17:00
EGU2014-7168
Deep focus earthquakes in the laboratory (solicited)
Alexandre Schubnel, Fabrice Brunet, Nadège Hilairet, Julien Gasc, Yanbin Wang, and Harry W. II Green