@misc{indiciae64d11e70586b,
  title = {Black shale - Its deposition and diagenesis.},
  author = {H. A. Tourtelot},
  year = {2024},
  doi = {10.1346/ccmn.1979.0270501},
  url = {https://pubs.usgs.gov/publication/70012560},
  note = {Source identifier: 70012560}
}