@misc{indiciae252e7d2d501f,
  title = {Middle Proterozoic age for the Montpelier Anorthosite, Goochland terrane, eastern Piedmont, Virginia},
  author = {J. N. Aleinikoff and J. Wright Horton and M. Walters},
  year = {1996},
  doi = {10.1130/0016-7606(1996)108<1481:mpaftm>2.3.co;2},
  url = {https://pubs.usgs.gov/publication/70018115},
  note = {Source identifier: 70018115}
}