@misc{indiciae86eed7282b3b,
  title = {Metamorphosed precambrian silicic volcanic rocks in central Arizona},
  author = {C. A. Anderson},
  year = {1968},
  doi = {10.1130/mem116-p9},
  url = {https://pubs.usgs.gov/publication/70209034},
  note = {Source identifier: 70209034}
}