Oxidation of Slab-derived Fluids by Subducted Metasedimentary Rocks and its Impact on the Oxygen Fugacity of Arc Magmas and the Mantle

Jay James Ague1, Santiago Tassara2, Megan Holycross3, Ji-Lei Li4, Elizabeth Cottrell5, Esther Martina Schwarzenbach6, Charalampos Fassoulas7 and Timm John6, (1)Yale University, Department of Earth and Planetary Sciences, New Haven, CT, United States, (2)Yale University, Department of Earth and Planetary Sciences, New Haven, United States, (3)Cornell University, Department of Earth and Atmospheric Sciences, Ithaca, NY, United States, (4)Chinese Academy of Sciences, Key Laboratory of Mineral Resources, Institute of Geology and Geophysics, Beijing, China, (5)Smithsonian, NMNH, Department of Mineral Sciences, Washington, DC, United States, (6)Free University of Berlin, Institut für Geologische Wissenschaften, Berlin, Germany, (7)University of Crete, Natural History Museum of Crete, Heraklion, Greece