@misc{indiciae4010e9d1c6a9,
  title = {Prolonged magmatic activity on Mars inferred from the detection of felsic rocks},
  author = {James J. Wray and Sarah T. Hansen and Josef Dufek and Gregg A. Swayze and Scott L. Murchie and Frank P. Seelos and John R. Skok and Rossman P. Irwin and Mark S. Ghiorso},
  year = {2013},
  doi = {10.1038/ngeo1994},
  url = {https://pubs.usgs.gov/publication/70055950},
  note = {Source identifier: 70055950}
}