Chromium Redox Equilibria in Fluids and Minerals under Hydrothermal and Subduction-zone Conditions

Jihua Hao1,2, Dimitri A Sverjensky3 and Robert M Hazen2, (1)Johns Hopkins University, Baltimore, MD, United States, (2)Carnegie Inst, Washington, DC, United States, (3)Johns Hopkins University, Department of Earth & Planetary Sciences, Baltimore, MD, United States