@misc{indiciae89ec10af66b4,
  title = {Preliminary report on 40Ar/39Ar incremental heating experiements on feldspar sample from the Felsite Unit, Geysers Geothermal Field, California},
  author = {G. Brent Dalrymple},
  year = {1992},
  doi = {10.3133/ofr92407},
  url = {https://pubs.usgs.gov/publication/ofr92407},
  note = {Source identifier: ofr92407}
}