@misc{indiciae8955c0b1b9da,
  title = {Concealed basalt-matrix diatremes with Cu-Au-Ag-(Mo)-mineralized xenoliths, Santa Cruz Porphyry Cu-(Mo) System, Pinal County, Arizona},
  author = {Peter G. Vikre and Frederick Graybeal and Fleetwood R. Koutz},
  year = {2014},
  doi = {10.2113/econgeo.109.5.1271},
  url = {https://pubs.usgs.gov/publication/70194330},
  note = {Source identifier: 70194330}
}