@misc{indiciae3d91fca790dc,
  title = {SHRIMP U-Pb ages of xenotime and monazite from the Spar Lake red bed-associated Cu-Ag deposit, western Montana: Implications for ore genesis},
  author = {John N. Aleinikoff and Timothy S. Hayes and Karl V. Evans and Frank K. Mazdab and Renee M. Pillers and C. Mark Fanning},
  year = {2012},
  doi = {10.2113/econgeo.107.6.1251},
  url = {https://pubs.usgs.gov/publication/70044847},
  note = {Source identifier: 70044847}
}