Tectonic Unit: uPW
         Name: Windermere
 
  Description: graded-bedded assemblage of interbedded
               quartz-feldspar grit, sandstone, siltstone and
               shale, commonly maroon and green; diamictite in
               Rocky Mountains; limestone in upper part, local
               greenstone flows, breccia and tuff and metamorphic
               equivalents.  "Middle Marble" marker (uPWl);
               marine
 
    Formation: Omineca Belt
                  Ancestral North America
                       uPw  Windermere, Monk, Horsethief, Creek
               Foreland Belt
                  Ancestral North America
                       uP   Gametrail, Sheepbed; upper Rapitan, Keele,
                            Twitya, Profeit, Miette: Hector, Corral Cr.,
                            Byng; Misinchinka
 
    Age Range: Upper Proterozoic
  Maximum Age: 1000.0 Ma
  Minimum Age:  570.0 Ma