[margins-list] Session 6d at Goldschmidt 2009

[margins-list at nsf-margins.org]

Session 06d: From Fiji to Western Pacific Arcs and Beyond – A Session in 
Honour of Jim Gill

Convenor: Erin Todd
Keynote: Simon Turner (Macquarie University)

The aim of this session is to highlight current research that stems from 
two topical areas identified with the career of Jim Gill: the 
geochemistry of arc and backarc magmas; and the application of U-series 
to magmagenesis in all tectonic environments. Now 28 years after 
publication of his authoritative “Orogenic Andesites and Plate 
Tectonics,” his legacy among contemporary subduction-zone themes is 
extensive. Suggested topics include (but are not limited to): 1) What is 
the composition of slab-derived fluids and melts released during 
subduction? 2) What is the effect of these fluids and melts on mantle 
melting? 3) What are the effects of water and fO2 on the differentiation 
of arc magmas? 4) What temporal and spatial geochemical trends are 
characteristic and fundamental to magma formation in arcs and back-arcs? 
5) What is the time scale of igneous processes as inferred from U-series 
disequilibria? We particularly encourage submissions by Gill’s students, 
peers, and collaborators.

Goldschmitt meeting web page is http://www.goldschmidt2009.org 
<http://www.goldschmidt2009.org/>
Goldschmitt abstract deadline is Feb 22
The meeting is June 21-26 in Davos, Switzerland

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Erin Todd
Department of Earth and Planetary Sciences
University of California, Santa Cruz
1156 High St.
Santa Cruz, CA 95064-1077