Tectonic Unit: KTN
         Name: Nanaimo
 
  Description: alternating sequences of sandstone, conglomerate
               and shale derived partly from Wrangellia and
               partly from the Coast Belt and its Cascade
               seamount; marine and nonmarine
 
    Formation: Insular Belt
                   uK   Nanaimo: Gabriola, Spray, Geoffrey,
                        Northumberland, DeCourcy, Cedar District,
                        Extension-Protection, Haslam, Comox
               Coast Belt
                   ET   Kitsilano, Burrard, Huntingdon, Chuckanut
 
    Age Range: Upper Cretaceous - Oligocene
  Maximum Age: 88.5 Ma
  Minimum Age: 23.3 Ma