@misc{indiciae55c868d43669,
  title = {The stable isotope geochemistry of acid sulfate alteration},
  author = {R. O. Rye and P. M. Bethke and M.D. Wasserman},
  year = {1992},
  doi = {10.2113/gsecongeo.87.2.225},
  url = {https://pubs.usgs.gov/publication/70016673},
  note = {Source identifier: 70016673}
}