TY - RPRT TI - Diverse origins of alunite and acid-sulfate alteration; stable isotope systematics AU - Robert O. Rye AU - Philip Martin Bethke AU - Michael D. Wasserman PY - 1989 DO - 10.3133/ofr895 UR - https://pubs.usgs.gov/publication/ofr895 ID - ofr895 ER -