TY - RPRT TI - Phase equilibrium of a high-SiO2, andesite at fO2 = RRO: Implications for Augustine volcano and other high-fO2 arc andesites AU - Sarah H. De Angelis AU - Jessica F. Larsen AU - Michelle L. Coombs AU - James E. P. Utley AU - Andrew P. Dunn PY - 2020 DO - 10.1007/s00410-020-1663-6 UR - https://pubs.usgs.gov/publication/70215437 ID - 70215437 ER -