[iris-bulk] Seismic Anisotropy and Deformation: special symposium at International Geological Congress

[Vadim Levin]

Dear Colleagues,

We would like to draw your attention to the symposium focusing on  
issues of seismic anisotropy
and its interpretation in terms of deformation processes within the  
Earth,
to be convened at an upcoming 33rd International Geological Congress  
in Oslo (dates:  August 8-14, 2008).
The symposium will be convened by Jaroslava Plomerova, Martha Savage,  
Thorsten Becker and Vadim Levin,
and is titled “Seismic anisotropy and rheology (deformation) of the  
crust and mantle” (code EIL-06).
See a more detailed description below. The deadline for the abstracts  
is February 29th, 2008.
Please consider sending an abstract, and join us in Oslo next year!
Jaroslava Plomerova,Geophysical Institute, Czech Acad. Sci., Prague,  
Czech Republic

jpl at ig.cas.cz, Phone/Fax: +420  267 103 391

Martha Savage, Victoria University of Wellington, New Zealand

Martha.Savage at vuw.ac.nz

Thorsten W Becker, University of Southern California, Department of  
Earth Science, Los Angeles, CA, USA

twb at usc.edu

Vadim Levin, Rutgers University, Dept. of Earth and Planetary  
Sciences, Piscataway, NJ, USA

vlevin at rci.rutgers.edu


EIL-06 Seismic anisotropy and deformation (rheology) of the crust and  
mantle

Convenors: Jaroslava Plomerova, Martha Savage, Thorsten Becker, Vadim  
Levin

Relative motion of rock masses, both past and ongoing, are at the  
heart of our understanding of the way our planet behaves. One of the  
few indicators of rock deformation caused by large-scale motions deep  
within the Earth is the directional dependence (anisotropy) of  
seismic wave speed. Many modern studies of the Earth's structure  
address the issues of where seismic anisotropy is seen, what are the  
parameters of directional dependence, and what that means in terms of  
Earth's interior dynamics. As our ability to resolve anisotropic  
structure and to simulate the processes of rock deformation in  
computer models are rapidly improving, the study of seismic  
anisotropy and it's implications is evolving, becoming progressively  
more quantitative. At the same time, an improved understanding of  
anisotropic texture-formation mechanisms for different conditions  
makes interpretation of seismic anisotropy indicators more  
challenging. This section seeks contributions on the state of the art  
in resolving details of seismic anisotropy at depth; predicting  
likely effects of anisotropy on seismological observables; and  
comprehensive interpretations of seismic anisotropy in terms of past  
and present deformation at depth. 
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