Scientists provide new evidence that modern plate tectonics, a defining feature of Earth and its unique ability to support life, emerged roughly 3.6 billion years ago. The study uses zircons, the oldest minerals ever found on Earth, to peer back into the planet's ancient past.
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/05/210514134159.htm
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/05/210514134159.htm
Earth's oldest minerals date onset of plate tectonics to 3.6 billion years ago
![Earth's oldest minerals date onset of plate tectonics to 3.6 billion years ago]()
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May 15, 2021
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