@misc{indiciae8de1d2976825,
  title = {Ni, Cu, Au, and platinum-group element contents of sulphides associated with intraplate magmatism: A synthesis},
  author = {S.-J. Barnes and M. L. Zientek and M.J. Severson},
  year = {1997},
  doi = {10.1139/e17-030},
  url = {https://pubs.usgs.gov/publication/70019948},
  note = {Source identifier: 70019948}
}