<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">There will be a special session at the Goldschmidt meeting on "Seismic, geodynamic, and mineralogical constraints on arc and backarc processes". The goal of the session is to draw together geophysicists, geodynamical modelers, petrologists and geochemists who are interested in arc and backarc processes. The Goldschmidt meeting will be held from June 21-26 in Davos, Switzerland (<a href="http://www.goldschmidt2009.org/">http://www.goldschmidt2009.org</a>). The abstract deadline is February 22. <div><br></div><div>The session description is as follows:<br><br>session 6e Seismic, Geodynamic, and Mineralogical Constraints on Arc and Backarc Processes<br>Convenors: Doug Wiens, Carmen Sanchez-Valle, Peter Ulmer<br>Keynote: Peter van Keken (University of Michigan)<br><br></div><div>Geodynamic models allow study of many important processes in subduction zones, including mantle flow patterns, magma production processes, and the cycling of material including volatiles through the system. Seismic observations provide important constraints on these models, but require experimental and computational results relating seismic observations to physical properties. In this interdisciplinary session, topics will include seismic studies of arc seismic structure and anisotropy, geodynamic models of arc processes, and theoretical and laboratory constraints on the relationship of seismic velocities, attenuation, and anisotropy to mantle temperature, mineralogy, deformation, and melt and volatile content.<br><div><br></div><div><br></div></div></body></html>