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A Controversial Lost Tectonic Plate May Have Been Discovered by Geologists - ScienceAlert

A Controversial Lost Tectonic Plate May Have Been Discovered by Geologists - ScienceAlert

A Controversial Lost Tectonic Plate May Have Been Discovered by Geologists - ScienceAlert
Oct 21, 2020 36 secs

Geologists agree that some 60 million years ago, the Farallon and Kula tectonic plates covered a vast area of Earth's surface across the Pacific Ocean, off the coast of North America. However, there's debate about whether a third plate existed, called Resurrection.

Plate tectonic reconstruction of western North America 60 million years ago.

The animation below shows a reconstruction of plate tectonics from 60 million years ago (Ma) to today.

"When 'raised' back to the Earth's surface and reconstructed, the boundaries of this ancient Resurrection tectonic plate match well with the ancient volcanic belts in Washington State and Alaska, providing a much sought after link between the ancient Pacific Ocean and the North American geologic record," says geologist Jonny Wu, from the University of Houston.

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