@misc{indiciaeae6f56833895,
  title = {40Ar/39Ar dating of vein amphibole from the Bayan Obo iron-rare earth element-niobium deposit, Inner Mongolia, China; constraints on mineralization and deposition of the Bayan Obo Group},
  author = {James E. Conrad and Edwin H. McKee},
  year = {1992},
  doi = {10.2113/gsecongeo.87.1.185},
  url = {https://pubs.usgs.gov/publication/70243233},
  note = {Source identifier: 70243233}
}