Tectonic Unit: pPS
         Name: Skolai
 
  Description: upper volcanic sandstone, argillite, chert and
               limestone unconformably overlying gabbro (DMd) and
               lower alkaline to tholeiitic basalt, basaltic
               andesite, minor andesite and dacite flows and
               pyroclastics, intruded by PPgl granitiods; marine
 
    Formation: Insular Belt
                  Wrangell Terrane
                       PP   Skolai
                       PP   Hasen Cr., Eagle Cr.
                       PP   Station Cr., Tetelna
 
    Age Range: Pennsylvanian - Permian
  Maximum Age: 322.8 Ma
  Minimum Age: 245.0 Ma