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Posted by Kevin Walsh on June 15, 2014

These are algal mats that formed 2700 million years ago. Yes, evidence of life that is 2.7 billions years old.

geology, fossil

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Kevin Walsh July 5, 2014 20:06

Oldest micro-fossils are 3500 million years old, from Western Australia.
Pavel July 4, 2014 13:50

How old is the oldest life form?

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