Terrane Unit : SH
             Name : Shuksan

      Description : Upper Triassic and Lower Jurassic oceanic crust   
                    and sediments metamorphosed to greenschist and    
                    blueschist facies and Jurassic near-arc oceanic   
                    marginal basin crust and sediments                

      Assemblages : TrJSE Settler, JS Shuksan                          

   Plutonic Rocks : undivided                                              

         Age Range: Upper Triassic - Lower Jurassic                       
       Maximum Age: 235.0 Ma
       Minimum Age: 178.0 Ma