@misc{indiciaedb085c07cc69,
  title = {Minerals produced during cooling and hydrothermal alteration of ash flow tuff from Yellowstone drill hole Y-5},
  author = {T. E. C. Keith and L.J.P. Muffler},
  year = {1978},
  url = {https://pubs.usgs.gov/publication/70012631},
  note = {Source identifier: 70012631}
}