This article appeared in Discover’s annual state of science issue as “A Rocky Start.” Support our science journalism by becoming a subscriber.
The Origins of Plate Tectonics May Stretch Further Back in Earth's History
Many of our planet's features are thanks to tectonic plates bumping and grinding together. Two new studies revealed that this movement may have kicked off earlier than geologists previously thought.
Dec 12, 2020 8:00 PM
Harvard University geologist Roger Fu poses on a rock outcrop in the Pilbara Craton, an exposed portion of the Earth’s crust in western Australia. (Credit: Alex Brenner/Harvard University)
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