Tectonic collision 50 million years ago led to widespread ocean changes- All Images

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Tectonic collision 50 million years ago led to widespread ocean changes

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paleomaps before (top) and during (bottom) the collision

Neither continents nor oceans have always looked the way they do now. Paleomaps show how they appeared before (top) and during (bottom) 'the collision that changed the world.'

Credit: Emma Kast, Princeton University, using paleogeographic reconstructions from Deep Time Maps

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