@misc{indiciae0a2a13aafa4f,
  title = {Compositional gradients in large reservoirs of silicic magma as evidenced by ignimbrites versus Taylor Creek Rhyolite lava domes},
  author = {W. A. Duffield and J. Ruiz},
  year = {1992},
  doi = {10.1007/bf00310738},
  url = {https://pubs.usgs.gov/publication/70017207},
  note = {Source identifier: 70017207}
}