Dear All,
We would like to draw your attention to a session on cycling of redox-sensitive elements at convergent margins, to be held at the Goldschmidt 2015 in Prague (see below). Please consider submitting to this session, we anticipate a varied and thought-provoking program! Apologies for cross-postings.
19c: Cycling of Carbon, Sulfur, and Other Redox-Sensitive Elements at Convergent Margins
Convenors: Katy Evans, Glenn Gaetani, Weidong Sun
Keynote: Richard Arculus (Research School of Earth Sciences at the Australia)
Subduction of rocks that contain oxidized iron, carbon, and sulfur at convergent margins has the potential to introduce oxidation state heterogeneity into the Earth’s mantle. The oxidation state of the mantle exerts important controls on the melting process, melt chemistry, peridotite rheological properties, and the mobility of a wide range of elements, including those of economic interest, such as Cu and Au. Further, subduction cycling of carbon and sulfur affects climate via emission of C- and S-bearing gases at arcs. Contributions are invited from researchers interested in subduction cycling of redox-sensitive elements. The remit of the session extends from characterization of subduction inputs and outputs, to studies of the processes that lead to exchange of elements between reservoirs in the upper mantle. An interest in the economic aspects of the redistribution of redox sensitive elements is encouraged, as is the combination of one or more approaches that include petrology, experimental petrology, geochemistry, geophysics and thermodynamic modeling.
best regards, the convenors.
Katy Evans, Glenn Gaetani, and Weidong Sun
Katy Evans
Applied Geology, Curtin University
GPO Box U1987, Perth, WA6845
tel: +61 8 92664682
fax: +61 8 92663153
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