Tectonic Unit: PKTP
         Name: undivided Taku
 
  Description: crinoidal limestone containing Permian fossils;
               marine; associated with Taku Assemblage (PKT)
 
    Formation: Insular Belt
                  Taku Terrane
                       PKT  Taku
 
    Age Range: Permian
  Maximum Age: 290.0 Ma
  Minimum Age: 245.0 Ma