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Tectonic shifts through time

Tectonic shifts through time

A computer model developed by a Yale research team traces one scenario for the shifts in Earth's continents, starting with a rewind from the present, then going forward through the latest Pangaea supercontinent cycle. The animation reflects the "orthoversion" model for the rise and fall of supercontinents. (msnbc.com)

MSNBC | February 8, 2012Watch more videos from MSNBC

Tags:. .tectonic. .rewind. .yale. .scenario. .traces

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