@misc{indiciae219f1c92faa7,
  title = {Midcontinent rift volcanism in the Lake Superior region: Sr, Nd, and Pb isotopic evidence for a mantle plume origin},
  author = {S. W. Nicholson and S.B. Shirey},
  year = {2012},
  doi = {10.1029/jb095ib07p10851},
  url = {https://pubs.usgs.gov/publication/70015833},
  note = {Source identifier: 70015833}
}