Perennial Plate Tectonics (1 of 2) (IMAGE)

University of Toronto

Perennial Plate Tectonics (1 of 2)

Caption

A proposed perennial plate tectonic map. Present-day plate boundaries (white lines), with hidden ancient plate boundaries that may reactivate to control plate tectonics (yellow lines). Regions where mantle lithosphere heterogeneities have been located are given by yellow crosses.

Credit

Russell Pysklywec, Philip Heron, Randell Stephenson

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