@misc{indiciae8579a2bba6bf,
  title = {Paleozoic and Mesozoic silica-rich seawater: Evidence from hematitic chert (jasper) deposits},
  author = {Tor Grenne and J. F. Slack},
  year = {2003},
  doi = {10.1130/0091-7613(2003)031<0319:pamsrs>2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70025857},
  note = {Source identifier: 70025857}
}