@misc{indiciae47f168588008,
  title = {Distribution and age of high-grade blueschists, associated eclogites, and amphibolites from Oregon and California},
  author = {R. G. Coleman and Marvin A. Lanphere},
  year = {1971},
  doi = {10.1130/0016-7606(1971)82[2397:daaohb]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70227384},
  note = {Source identifier: 70227384}
}