@misc{indiciaeb0eca5d62856,
  title = {Laramide alteration of proterozoic diabase: A likely contributor of copper to porphyry systems in the dripping spring mountains area, Southeastern Arizona},
  author = {E. R. Force},
  year = {1998},
  doi = {10.2113/gsecongeo.93.2.171},
  url = {https://pubs.usgs.gov/publication/70020482},
  note = {Source identifier: 70020482}
}