Tectonic Unit: NTP
         Name: Pemberton
 
  Description: calc-alkaline rhyolite, andesite, and dacite
               flows, domes and pyroclastics; local (Masset)
               bimodal suites of sodic rhyolite and high alumina
               basalt; mainly nonmarine
 
    Formation: Insular Belt
                  OMT  Masset
               Coast Belt
                  OMT  Coquihalla, Skagit, Barlow Pass, Hannegan
 
    Age Range: Neogene
  Maximum Age: 23.3 Ma
  Minimum Age:  1.6 Ma