Tectonic Unit: pPICA
         Name: Ishbel
 
  Description: Permian siltstone, sandstone, chert, phosphate,
               siliceous mudstone; Pennsylvanian dolomitic
               siltstone, chert breccia, sandstone,
               orthoquartzite; marine
 
    Formation: Omineca Belt
                  Cariboo Subterrane of Cassiar Terrane
                       P    Alex Allen
 
    Age Range: Pennsylvanian - Permian
  Maximum Age: 322.8 Ma
  Minimum Age: 245.0 Ma