@misc{indiciae4e8b82d0d7e0,
  title = {Ordovician volcanic-arc terrane in the Central Appalachian Piedmont of Maryland and Virginia: SHRIMP U-Pb geochronology, field relations, and tectonic significance},
  author = {J. Wright Horton, and John N. Aleinikoff and Avery A. Drake and C. Mark Fanning},
  year = {2010},
  doi = {10.1130/2010.1206(25)},
  url = {https://pubs.usgs.gov/publication/70230187},
  note = {Source identifier: 70230187}
}