Brushy Basin Shale Member  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Jurassic
 ....Upper Jurassic
 .....Brushy Basin Shale Member
RTNew Mexico
 Utah
 Colorado
 Arizona
 Morrison Formation
SNMember of Morrison Formation. SE Utah, NE Arizona, SW Colorado and NW New Mexico. Added to Thesaurus in 1985.