Tectonic Unit: JT
         Name: Takwahoni
 
  Description: interbedded conglomerate, greywacke, siltstone and
               shale derived from Triassic volcanics and granites
               in Stikinia; marine and nonmarine JTS (Spatsizi Group)
               basinal shale south of Stikine Arch
 
    Formation: Intermontane Belt
                  Stikine Terrane
                       lmJ  Laberge, Takwahoni
                   JTS=lmJ  Spatsizi: Quock, Abou, Melisson, Wolf Den,
                            Joan
                       lmJ  Laberge
    Age Range: Lower and Middle Jurassic
  Maximum Age: 208.0 Ma
  Minimum Age: 157.1 Ma