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    Re: The First Mass Extinction

    Mercury in fossilised ferns revealed as hidden driver in mass extinctions

    Barry Keily Cosmos Magazine
    Thu, 24 Oct 2019 18:56 UTC


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    Re: The First Mass Extinction

    Warren... are you playing a "Corey Goode" on me? :bigsmile:
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    The First Mass Extinction

    Large volcanic eruption may have caused the first mass extinction

    PhysOrg Wed, 17 May 2017 14:09 UTC


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