In 2011, the U.S. Geological Survey, in cooperation with the U.S. Department of Energy, collected samples for 12 new argon-argon radiometric ages from eastern Snake River Plain olivine tholeiite basalt flows in the subsurface at the Idaho National Labo
Hodges, Mary K. mkhodges@usgs.gov,Turrin, Brent D.,Champion, Duane E. dchamp@usgs.gov,et al. New argon-argon (<sup>40</sup>Ar/<sup>39</sup>Ar) radiometric age dates from selected subsurface basalt flows at the Idaho National Laboratory, Idaho. 2015-01-01.