@misc{indiciae36e0a7e41592,
  title = {Geochemical data for Jurassic diabase associated with early Mesozoic basins in the eastern United States: Culpeper Basin and vicinity, Virginia and Maryland},
  author = {David Gottfried and Albert J. Froelich and J. N. Grossman},
  year = {1991},
  doi = {10.3133/ofr91322f},
  url = {https://pubs.usgs.gov/publication/ofr91322F},
  note = {Source identifier: ofr91322F}
}