Terrane Unit : QNH
             Name : Harper Ranch - Subterrane of Quesnellia

      Description : Upper Devonian to Triassic arc 
                    clastics, volcanics and carbonate.  
                    Amalgamated by latest Triassic time 
                    and accreted to Ancestral North America
                    in the Jurassic.                            

      Assemblages : DTrH Harper Ranch                                  

   Plutonic Rocks : None                                              

         Age Range: Upper Devonian - Triassic
       Maximum Age: 408.5 Ma
       Minimum Age: 208.0 Ma