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Thread: Oldest Fossils on Earth Discovered in 3.7bn-year Old Greenland Rocks

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    Oldest Fossils on Earth Discovered in 3.7bn-year Old Greenland Rocks

    Scientists have discovered the oldest physical evidence for life on the planet in the form of fossils in Greenland rocks that formed 3.7bn years ago.

    The researchers believe the structures in the rocks are stromatolites - layered formations, produced by the activity of microbes, that can be found in today in extremely saline lagoons in a few locations around the world.

    The new fossils are 220 million years older than any previously discovered.

    “Up until now the oldest stromatolites have been from Western Australia and they are roughly 3,500 million (3.5bn) years [old],” said Clark Friend, an independent researcher and co-author of the research. “What we are doing is pushing the discovery of life earlier in Earth’s history.”

    The discovery, says Friend, also raises questions about the possibility of life on other planets.

    “If we have got life at 3,700 million (3.7 bn) years on Earth, did it exist on other planets - because Mars, for example, 3,700 million years ago was wet,” he said.
    https://www.theguardian.com/science/...-stromatolites

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    Once I had to ride to Las Vegas with a Geology professor specializing in early life. For hours we heard about stromatolites.

    This guy:
    https://en.wikipedia.org/wiki/J._William_Schopf

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