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Tracing plate tectonics back in time is tricky. Check out about how @geoAlanC and co from @UniofAdelaide do it.
https://t.co/Sp4FT1sBaJ
Several must-see interactive animations about #tectonics and #geology
http://t.co/6okB3HnrnX via @hughes_wl @gmazet
Why aliens and volcanoes go together: life on other planets may rely on plate tectonics, by Steve Nadis @NautilusMag