@misc{indiciae62912518a9ab,
  title = {The Piney Branch Complex: A metamorphosed fragment of the central Appalachian ophiolite in northern Virginia},
  author = {Avery A. Drake and Benjamin A. Morgan},
  year = {1981},
  doi = {10.2475/ajs.281.4.484},
  url = {https://pubs.usgs.gov/publication/70011701},
  note = {Source identifier: 70011701}
}