Tectonic Unit: NTB
         Name: Beaufort
 
  Description: unconsolidated crossbedded alluvial and deltaic
               sand, gravel, silt, peat, and woody detritus;
               nonmarine and marine
 
    Formation: Foreland Belt
                  PQ   Beaufort
 
    Age Range: Neogene
  Maximum Age: 23.3 Ma
  Minimum Age:  1.6 Ma