Ancient geologic events may have left deep 'scars' on Earth's crust

Super-computer modelling of Earth's crust and upper-mantle suggests that ancient geologic events may have left deep 'scars' that can come to life to play a role in earthquakes, mountain formation, and other ongoing processes on our planet. 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...

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Via: The Archaeology News Network