Scientists detect previously unknown molten rock layer hidden under Earth tectonic plates

Strange Sounds

February 8, 2023

Scientists have discovered a new layer of partly molten rock under the Earth’s crust that might help settle a long-standing debate about how tectonic plates move.

Researchers had previously identified patches of melt at a similar depth. But a new study led by The University of Texas at Austin revealed for the first time the layer’s global extent and its part in plate tectonics.

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