@misc{indiciae3cc398cdc7a5,
  title = {White mica geochemistry of the Catheart Mountain porphyry copper deposit, Maine},
  author = {Robert A. Ayuso},
  year = {1987},
  doi = {10.3133/b1803},
  url = {https://pubs.usgs.gov/publication/b1803},
  note = {Source identifier: b1803}
}