Rethinking Pangea? Ancient ocean crust challenges supercontinent theory

The oldest piece of undisturbed oceanic crust ever discovered has been found beneath the eastern Mediterranean Sea, hidden under more than 10 kilometers of sediment. This ancient crust — estimated at up to 100 million years older than the oldest oceanic crust previously known — could reshape our view of global tectonics and the supercontinent cycle.

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Kate S. Zalzal

Kate Zalzal

Zalzal is a freelance writer and former editorial intern for EARTH. She holds a master's degree in geoscience from University of Massachusetts Amherst and most recently studied paleoclimatology at the University of Colorado Boulder and the University of Iceland in Reykjavik. 

Wednesday, December 21, 2016 - 06:00