New study looking at the radiogenic nature of ancient seawater suggests life in ancient oceans was enabled by erosion from land. Continental weathering at 3.26 Ga had a large impact on ocean chemistry 400 million years earlier than previously suggested.

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New study looking at the radiogenic nature of ancient seawater suggests life in ancient oceans was enabled by erosion from land. Continental weathering at 3.26 Ga had a large impact on ocean chemistry 400 million years earlier than previously suggested.