Tectonic Unit: DPCH
         Name: Chilliwack
 
  Description: calc-alkaline basaltic to dacitic flows and
               pryoclastics, volcanic sandstone, argillite,
               limestone, local plant-bearing conglomerate;
               marine and nonmarine
 
    Formation: Coast Belt
                  Chilliwack Terrane
                       DPCH  Chilliwack, Twin Is.
 
    Age Range: Devonian - Permian
  Maximum Age: 408.5 Ma
  Minimum Age: 245.0 Ma