Redox Equilibria / Roberto Moretti, Daniel R Neuville -- Redox from the Earth's Accretion to Global Geodynamics. Redox Processes Before, During, and After Earth's Accretion Affecting the Deep Carbon Cycle / Vincenzo Stagno, Sonja Aulbach -- Oxygen Fugacity Across Tectonic Settings / Elizabeth Cottrell, Suzanne K Birner, Maryjo Brounce, Fred A Davis, Laura E Waters, Katherine A Kelley -- Redox Variables and Mechanisms in Subduction Magmatism and Volcanism / Katy A Evans, Andy G Tomkins -- Redox Melting in the Mantle / Stephen F Foley -- Redox at Work. Ionic Syntax and Equilibrium Approach to Redox Exchanges in Melts / Roberto Moretti -- The Petrological Consequences of the Estimated Oxidation State of Primitive MORB Glass / Paul D Asimow -- Oxygen Content, Oxygen Fugacity, the Oxidation State of Iron, and Mid-Ocean Ridge Basalts / Andrew J Berry, Hugh StC O'Neill -- Chromium Redox Systematics in Basaltic Liquids and Olivine / Aaron S Bell -- The Thermodynamic Controls on Sulfide Saturation in Silicate Melts with Application to Ocean Floor Basalts / Hugh StC O'Neill -- Redox State of Volatiles and Their Relationships with Iron in Silicate Melts / Nicole Mtrich -- Iron in Silicate Glasses and Melts / Charles Le Losq, Maria Rita Cicconi, Daniel R Neuville -- Tools and Techniques to Characterize the Redox and its Effect on Isotope Partitioning. How to Measure the Oxidation State of Multivalent Elements in Minerals, Glasses, and Melts? / Daniel R Neuville, Maria Rita Cicconi, Charles Le Losq -- Oxidation State, Coordination, and Covalency Controls on Iron Isotopic Fractionation in Earth's Mantle and Crust / Marc Blanchard, Nicolas Dauphas -- The Role of Redox Processes in Determining the Iron Isotope Compositions of Minerals, Melts, and Fluids / Paolo A Sossi, Baptiste Debret -- Zinc and Copper Isotopes as Tracers of Redox Processes / Edward C Inglis, Frederic Moynier -- Mineral-Melt Partitioning of Redox-Sensitive Elements / Guilherme Mallmann, Antony D Burnham, Raul OC Fonseca -- Titanomagnetite - Silicate Melt Oxybarometry / Rbert Arat, Andreas Audtat -- The Redox Behavior of Rare Earth Elements / Maria Rita Cicconi, Charles Le Losq, Grant S Henderson, Daniel R Neuville.