@misc{indiciae6fc3ecfd5612,
  title = {"Ribbon rock", an unusual beryllium-bearing tactite},
  author = {R. H. Jahns},
  year = {1944},
  doi = {10.2113/gsecongeo.39.3.173},
  url = {https://pubs.usgs.gov/publication/70215113},
  note = {Source identifier: 70215113}
}