Docking of Stikinia inverts the map shape of the distal miogeoclinal fragment into the Kootenay arc and displaces the northern tip of the Belt basin eastward, closing the Eager trough. Docking of Sonomia initiates thrusting in the Sevier belt.

Go back to the Animation

Go to still graphics of:
Late Triassic
Early Jurassic
Middle Jurassic
Middle Cretaceous
Late Cretaceous
Late Paleocene