Tectonic Unit: TrK
         Name: Karmutsen
 
  Description: pillowed, brecciated and layered tholeiitic lavas,
               subaerial tholeiite in eastern Alaska, overlain by
               bioclastic and reefoid limestone; marine and
               nonmarine
 
    Formation: Insular Belt
                  Wrangell Terrane
                       uTrlJ McCarthy
                       uTr   Nizina, Chitistone, Whitestripe, 
                             Lower Kunga, Parsons Bay, Quatsino
                       muTr  Karmutsen
                       mTr   Nikolai, Goon Dip
               Coast Belt
                  Wrangell Terrane
                       uTr   Karmutsen
 
    Age Range: Upper Triassic
  Maximum Age: 235.0 Ma
  Minimum Age: 208.0 Ma