Terrane Unit : PC
             Name : Porcupine

      Description : Continental margin sediments comprising Upper     
                    Proterozoic clastics overlain by Paleozoic        
                    carbonates and clastics intruded by Devonian      
                    syenodiorite and bounded by the Yukon and Kaltag  
                    faults                                            

      Assemblages : PCHP Hyland, CDRP Rocky Mountains, CLP Lisburne,  
                    CPOP Outer detrital clastics, PJP Jungle Creek,   
                    TrJSP Spray River, JKPP Parsons                    

   Plutonic Rocks : DMyDL Dave Lord                                   

         Age Range: Upper Proterozoic - Jurassic
       Maximum Age: 1000.0 Ma
       Minimum Age:  145.0 Ma