Tectonic Unit: TQgl
         Name: Wrangell
 
  Description: tillite; nonmarine, associated with Wrangell
               Assemblage (TQW)
 
    Formation: Insular Belt
                  TQgl tillite
 
    Age Range: Tertiary and Quaternary
  Maximum Age: 65.0 Ma
  Minimum Age:  0.0 Ma