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BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Neogene
 ....Miocene
 .....Bullfrog Member
RTNevada
 Crater Flat Tuff
SNMember of Crater Flat Tuff. Found at the Nevada Test Site in Nye County, S Nevada. Added to Thesaurus in 1989.