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Oldest Fossils or Just Rocks? Scientists at Odds over 3.7 Billion-year-old Structures | The Washington Post

2018-10-18 00:00:00

It was an extraordinary claim: Scientists studying a rock formation in Greenland said they had discovered Earth's oldest fossils, a series of small, cone-shaped structures left by microbial mats some 3.7 billion years ago. Roger Buick, a University of Washington geologist, is quoted.

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