Variations in Fe3+/FeT ratios in volcanic amphibole as a function of magmatic oxygen fugacity and mineral composition


Barbara Cäcilia Ratschbacher1, Claire E Bucholz2, Jennifer M Jackson3 and Natalia V Solomatova3,4, (1)California Institute of Technology, Seismological Laboratory, Pasadena, United States, (2)California Institute of Technology, Geological and Planetary Sciences, Pasadena, United States, (3)California Institute of Technology, Pasadena, CA, United States, (4)CNRS, École Normale Supérieure de Lyon, Lyon, France