Life took hold on land 300 million years earlier than thought

https://www.sciencedaily.com/releases/2016/11/161108090052.htm

Life took hold on land at least as early as 3.2 billion years ago, suggests a study. The team studied ancient rock formations from South Africa’s Barberton greenstone belt. These rocks are some of the oldest known on Earth, with their formation dating back to 3.5 billion years.

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