@misc{indiciaed986f6886a05,
  title = {Geochemical characteristics and K-Ar ages of rare-metal bearing pegmatites from the Birimian of southeastern Ghana},
  author = {C.I. Chalokwu and M.A. Ghazi and E.E. Foord},
  year = {1997},
  doi = {10.1016/s0899-5362(97)00022-5},
  url = {https://pubs.usgs.gov/publication/70020303},
  note = {Source identifier: 70020303}
}