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Thread: Vast 'pumice raft' found drifting through Pacific Ocean

  1. #1
    Veteran Member grulla's Avatar
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    Default Vast 'pumice raft' found drifting through Pacific Ocean

    BBC, No author given
    26 August 2019

    A vast "raft" of volcanic rocks stretching over 150 sq km (58 sq miles) is drifting through the Pacific Ocean, scientists say.
    The sea of pumice - the size of 20,000 football fields - was first reported by Australian sailors earlier this month.
    Experts say the mass probably came from an underwater volcano near Tonga which erupted around 7 August according to satellite images.
    Sailors have been warned to stay clear of the potential hazard.
    Pumice is a lightweight, bubble-rich rock that can float in water. It is produced when lava goes through rapid cooling and loss of gases.

    Continue reading at:
    https://www.bbc.com/news/world-australia-49469446


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    Veteran Member grulla's Avatar
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    Default Re: Vast 'pumice raft' found drifting through Pacific Ocean

    The good news is that this massive pumice raft could help rplenish the Great Barrier Reef: https://q13fox.com/2019/08/25/massiv...-barrier-reef/

    ALSO, this underwater volcanic activity is a contributor to mercury in fish.
    https://www.mindbodygreen.com/0-1352...t-mercury.html

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    Moderator Julieanne's Avatar
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    Default Re: Vast 'pumice raft' found drifting through Pacific Ocean

    Many scientists disagree. Sadly, it may not work as expected.

    https://www.nytimes.com/2019/08/27/w...35ion=whatElse

  4. #4
    Administrator Islander's Avatar
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    Default Re: Vast 'pumice raft' found drifting through Pacific Ocean

    Paywalled, alas.

    As for mercury, keep in mind Mr. Wizard's very helpful information on the relation of selenium to mercury.
    ➤ Happiness is the frosting on the cake of contentment.

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