Redox
reactions as controls on geochemical processes in the crust and
mantle
convenors: Alan Woodland, Glenn
Gaetani
Redox reactions play crucial roles in many
geochemical processes including those that control the global
cycling of volatiles (C, H, S). Such reactions influence
exchange between subducting slabs and adjacent mantle,
metasomatic interactions, as well as the generation and
evolution of magmas. Understanding the roles of redox reactions
involves many avenues of investigation, including observational,
experimental and theoretical studies. Analytical advances have provided a steady increase
in available data on the distribution of redox-sensitive
elements, while results from experimental studies and
thermodynamic models have begun to provide a framework for
understanding the role of redox reactions in the evolution of
the Earth. The goal of this session is to bring together
contributions reporting new results on how redox reactions may affect
large-scale geochemical processes.
-- Glenn A. Gaetani Tenured Associate Scientist Director, Northeast National Ion Microprobe Facility Department of Geology & Geophysics Woods Hole Oceanographic Institution Office: (508) 289-3724 Lab: (508) 289-3744 Fax: (508) 457-2183 Mail: MS#8 Woods Hole Oceanographic Institution 266 Woods Hole Road Woods Hole, MA 02543 Email: [log in to unmask] "It is the tension between creativity and skepticism that has produced the stunning and unexpected findings of science." -- Carl Sagan.