@misc{indiciae17d58332e1ab,
  title = {Ordovidan K-bentonites in the Precordillera of San Juan and its tectomasmatic significance},
  author = {C.A. Cingolani and W. Huff and S. Bergstrom and D. Kolata},
  year = {1997},
  url = {https://pubs.usgs.gov/publication/70019545},
  note = {Source identifier: 70019545}
}