Oxygen fugacity range of subducting crust inferred from fractionation of trace elements during fluid-present slab melting in the presence of anhydrite versus sulfide

Proteek Chowdhury, University of California, Riverside, Department of Earth and Planetary Sciences, Riverside, CA, United States, Rajdeep Dasgupta, Rice University, Department of Earth, Environmental, and Planetary Sciences, Houston, TX, United States, Patrick Phelps, Rice University, Houston, TX, United States, Gelu Costin, Rice University, Earth, Environmental, and Planetary Sciences, Houston, United States and Cin-Ty Lee, Rice Univ, Houston, TX, United States