Science
Scientists estimate plate tectonics begun 3.6 billion years ago – Open Access Government
Scientists have found new evidence that modern plate tectonics begun roughly 3.6 billion years ago – a key feature of planet Earth’s unique life

Michael Ackerson, a research geologist at the Smithsonian’s National Museum of Natural History, led the project.
Firstly, why are plate tectonics so important?
The Earth has a dynamic crust, split into continental plates that move, fracture and collide with each other over a long, long period of time.
The researchers said: “Plate tectonics afford a connection between the chemical reactor of Earth’s interior and its surface that has engineered the habitable planet people enjoy today, from the oxygen…
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