Petrified Forest Member  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Triassic
 ....Upper Triassic
 .....Petrified Forest Member
RTNew Mexico
 Utah
 Nevada
 Arizona
 Chinle Formation
SNUpper Triassic. In Chinle Formation. N Arizona, SE Nevada, west-central New Mexico, S Utah. Added to Thesaurus in 1993.