@misc{indiciae048ea974873f,
  title = {A magnesium correction for the Na-K-Ca chemical geothermometer},
  author = {R.O. Fournier and Robert W. Potter},
  year = {1978},
  doi = {10.3133/ofr78986},
  url = {https://pubs.usgs.gov/publication/ofr78986},
  note = {Source identifier: ofr78986}
}