Tectonic Unit: CDN
         Name: Nasina
 
  Description: dark grey to black graphitic and micaceous
               quartzite with interfoliated graphitic,
               biotite-muscovite schist; includes lenses of grey
               laminated marble; marine
 
    Formation: Omineca Belt
                  Nisling Terrane
                       CD Nasina
 
    Age Range: Cambrian - Devonian
  Maximum Age: 570.0 Ma
  Minimum Age: 362.5 Ma