@misc{indiciae1ed648e2da5b,
  title = {Argon retention in a granitic xenolith from a pleistocene basalt, Sierra Nevada, California},
  author = {G. Brent Dalrymple},
  year = {1964},
  doi = {10.1038/201282a0},
  url = {https://pubs.usgs.gov/publication/70222048},
  note = {Source identifier: 70222048}
}