Oral Programme TS2.2

TS2.2

Deformation processes: microstructures, textures, rheology and fluid migration
Convener: H. de Bresser  | Co-Conveners: Stunitz , E. Heilbronner , Fusseis , G. Dresen , L. Menegon 
Oral Programme
 / Wed, 22 Apr, 13:30–19:00  / Room 16
Poster Programme
 / Attendance Tue, 21 Apr, 15:30–17:00  / Halls X/Y

Wednesday, 22 Apr 2009
Room 16
Chairperson: Holger Stunitz
13:30–13:45
EGU2009-1195
Grain growth kinetics of carbonates: Implications for rheology and closure temperature (solicited)
J. Newman, A.K. Kronenberg, W. Lamb, N.E. Davis, and P. Wheelock
13:45–14:00
EGU2009-8139
Rapid development of crystallographic preferred orientation compared to sluggish development of deformation microstructure in natural quartz veins during progressive simple shear at T>500°C
G. Pennacchioni, L. Menegon, B. Leiss, C. Shuyun, and R. Heilbronner
14:00–14:15
EGU2009-5110
Finite element simulations of the deformation mechanisms of two-phase silicate aggregates subjected to large shear
J. RAPHANEL and A. DIMANOV
14:15–14:30
EGU2009-5345
Evolution of deformation mechanisms in active salt glacier (Qum-Kuh, central Iran)
P. Závada, G. Desbois, Z. Schléder, and J. Urai
14:30–14:45
EGU2009-10039
Experimental Deformation of Diopside Single Crystals at Mantle P and T: Mechanical Data and Deformation Microstructures
E. Amiguet, P. Raterron, P. Cordier, H. Couvy, and J. Chen
14:45–15:00
EGU2009-10399
Quartz deformation mechanism during the transition from polyphase to monophase rheology
R. Kilian, R. Heilbronner, H. Stünitz, and M. Herwegh
COFFEE BREAK
15:30–15:45
EGU2009-5708
Rates of hydration reactions in crustal shear zones and their implications for temporal variations in rheology (solicited)
B.W.D. Yardley, D.E. Harlov, and W. Heinrich
15:45–16:00
EGU2009-10401
The role of meteoric fluid flow in the thermomechanics of extensional detachments
C. Teyssier and A. Mulch
16:00–16:15
EGU2009-9048
A new mechanism for fluid migration in midcrustal shear zones based on viscous grain boundary sliding and creep cavitation
F. Fusseis, K. Regenauer-Lieb, and J. Liu
16:15–16:30
EGU2009-6805
Continuous deformation versus episodic deformation at high stress - the microstructural record
C.A. Trepmann and B. Stöckhert
16:30–16:45
EGU2009-6761
Why calcite can be stronger than quartz
N. S. Mancktelow and G. Pennacchioni
16:45–17:00
EGU2009-4680
Shear strain localization in torsion experiments
F. Ornelas Marques and L. Burlini
BREAK
17:30–17:45
EGU2009-2686
Grain-scale interplay of deformation mechanisms and fluid flow and the implication for large-scale shear zones (solicited)
M. Herwegh and A. Ebert
17:45–18:00
EGU2009-8065
Partial melting in pelitic rock under shear deformation
S. Misra and L. Burlini
18:00–18:15
EGU2009-11531
Rheology of felsic lower/midle crust during burial and exhumation in a continental accretionnary wedge
F. Chopin, K. Schulmann, J.E. Martelat, and O. Lexa
18:15–18:30
EGU2009-9198
Fatigue properties for the fracture strength of columnar accessory minerals embedded within metamorphic tectonites: implications for stress magnitude in continental crust at the depth of the brittle-plastic transition zone
N. Kimura, N. Iwashita, and T. Masuda
18:30–18:45
EGU2009-10048
Relative strength of lithospheric mantle compared to granulite lower crust in orogenic roots: insight from field laboratory.
V. Kusbach, S. Ulrich, and K. Schulmann
18:45–19:00
EGU2009-9560
Tectonic history of continental crustal wedge constrained by EBSD measurements of garnet inclusion trails and thermodynamic modeling
E. Skrzypek, K. Schulmann, O. Lexa, and J. Haloda