@misc{indiciae37f1fcd7ac08,
  title = {Age and metamorphism of some massive sulfide deposits in Virginia, North Carolina and Tennessee},
  author = {A.R. Kinkel and H.H. Thomas and R. F. Marvin and F.G. Walthall},
  year = {1965},
  doi = {10.1016/0016-7037(65)90065-7},
  url = {https://pubs.usgs.gov/publication/70009988},
  note = {Source identifier: 70009988}
}