Tectonic Unit: CD
         Name: Dorsey
 
  Description: upper unit of chert, quartzite, slate-clast
               conglomerate, grit, quartzite, ribbon chert and
               slate and a lower unit of quartzite, argillite and
               chert interbeds separated by crinoidal and chert-
               nodule limestone; marine
 
    Formation: Omineca Belt
                  Dorsey Terrane
                       C    Unnamed units in Jennings River and Wolf Lake
                            map areas
 
    Age Range: Carboniferous
  Maximum Age: 362.5 Ma
  Minimum Age: 290.0 Ma