@misc{indiciae2120b060dae2,
  title = {The major-ion composition of Silurian seawater},
  author = {S.T. Brennan and T.K. Lowenstein},
  year = {2002},
  doi = {10.1016/s0016-7037(02)00870-0},
  url = {https://pubs.usgs.gov/publication/70024584},
  note = {Source identifier: 70024584}
}