Tectonic Unit: mPMU
         Name: Muskwa
 
  Description: silty, sandy, calcareous, dolomitic and chamositic
               mudstone, pebbly mudstone, slate, carbonaceous
               shale, crossbedded and turbiditic quartzite,
               argillaceous and stromatolitic dolomite; marine
 
    Formation: Foreland Belt
                  Ancestral North America
                       mP  Muskwa: Gataga, Aida, Tuchodi, Henry Cr., George,
                           Tetsa, Chischa
 
    Age Range: Middle Proterozoic
  Maximum Age: 1600 Ma
  Minimum Age: 1000 Ma