Revett Quartzite  search
BTChronostratigraphic Units
 .Precambrian
 ..Proterozoic
 ...Mesoproterozoic
 ....Revett Quartzite
RTIdaho
 Montana
 Washington
 Belt Supergroup
 Ravalli Group
SNIn Ravalli Group of Belt Supergroup. NE Idaho and NW Montana. Added to Thesaurus in 1985.