Friday, June 12, 2020

Remixed mantle suggests early start of plate tectonics

New research on the remixing of Earth's stratified deep interior suggests that global plate tectonic processes, which played a pivotal role in the existence of life on Earth, started to operate at least 3.2 billion years ago.

from Latest Science News -- ScienceDaily https://ift.tt/37nSk2O
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