Tectonic Unit: PTrS
         Name: Sadlerochit
 
  Description: Triassic siltstone, sandstone and shale and
               Permian ferruginous orthoquartzite, quartzitic
               sandstone, siltstone, quartzose calcarenite and
               limestone; marine
 
    Formation: Foreland Belt
                  Arctic Alaska Terrane
                       uTr  Karen Cr.
                       uTr  Shublik
                       PTr  Sadlerochit (PTrSH mainly or entirely Shublik)
                       lTr  Ivishak (PTrS mainly Sadlerochit)
                       P    Echooka
 
    Age Range: Permian - Triassic
  Maximum Age: 290.0 Ma
  Minimum Age: 208.0 Ma