@misc{indiciae857eb9eca9f7,
  title = {Evidence for the reversal of gradients in the uppermost parts of silicic magma reservoirs},
  author = {W. A. Duffield and J. Ruiz},
  year = {1992},
  doi = {10.1130/0091-7613(1992)020<1115:eftrog>2.3.co;2},
  url = {https://pubs.usgs.gov/publication/70017105},
  note = {Source identifier: 70017105}
}