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Rise of oxygen on Earth: Initial estimates off by 100 million years – EurekAlert
New research shows the permanent rise of oxygen in our atmosphere, which set the stage for life as we know it, happened 100 million years later than previously…

IMAGE: Research team leader sprays water on drill cores to see sedimentary rocks and select samples for this study.
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Credit: Andrey Bekker/UCR
New research shows the permanent rise of oxygen in our atmosphere, which set the stage for life as we know it, happened 100 million years later than previously thought.
A significant rise in oxygen occurred about 2.43 billion years ago, marking the start of the Great Oxidation Episode — a pivotal moment in Earth’s history.
An international research…
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