Earth's early evolution: Fresh insights from rocks formed 3.5 billion years ago

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Our Earth is around 4.5 billion years old. Way back in its earliest years, vast oceans dominated. There were frequent volcanic eruptions and, because there was no free oxygen in the atmosphere, there was no ozone layer. It was a dynamic and evolving planet.

Earth's early evolution: Fresh insights from rocks formed 3.5 billion years ago retrieved 25 February 2024 from https://phys.org/news/2024-02-earth-early-evolution-fresh-insights.html

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