1. Department of Geosciences University of Texas at Dallas Richardson TX USA
2. Department of Earth & Planetary Sciences University of New Mexico Albuquerque NM USA
3. Department of Geology & Geophysics University of Utah Salt Lake City UT USA
4. Natural History Museum of Utah University of Utah Salt Lake City UT USA
5. Lamont‐Doherty Earth Observatory of Columbia University Palisades NY USA
6. Earth & Planetary Sciences Rutgers University Piscataway NJ USA
7. Berkeley Geochronology Center Berkeley CA USA
8. Petrified Forest National Park Petrified Forest AZ USA
9. Institute for Geophysics Jackson School of Geosciences University of Texas at Austin Austin TX USA
10. Department of Geosciences University of Arizona Tucson AZ USA