@misc{indiciaeff86fc8e3e1f,
  title = {Origin of precambrian iron formations},
  author = {H. Lepp and S. S. Goldich},
  year = {1964},
  doi = {10.2113/gsecongeo.59.6.1025},
  url = {https://pubs.usgs.gov/publication/70221125},
  note = {Source identifier: 70221125}
}