@misc{indiciaeb8905635b80e,
  title = {Lower-crustal xenoliths from Jurassic kimberlite diatremes, upper Michigan (USA): Evidence for Proterozoic orogenesis and plume magmatism in the lower crust of the southern Superior Province},
  author = {Robert E. Zartman and Pamela D. Kempton and James B. Paces and Hilary Downes and Ian S. Williams and Gabor Dobosi and Kiyoto Futa},
  year = {2012},
  doi = {10.1093/petrology/egs079},
  url = {https://pubs.usgs.gov/publication/70041097},
  note = {Source identifier: 70041097}
}