TY - RPRT TI - Mount St. Augustine volcano fumarole wall rock alteration: Mineralogy, zoning, composition and numerical models of its formation process AU - A. Getahun AU - M.H. Reed AU - R. Symonds PY - 1996 DO - 10.1016/0377-0273(95)00071-2 UR - https://pubs.usgs.gov/publication/70018456 ID - 70018456 ER -