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"Clews made of sand" at Grattan Beach

  • 04-09-2021 4:29pm
    Registered Users Posts: 12

    Hi everyone,

    Last week I went for a bath to Grattan Beach, Salthill, that is great though, and what I saw on the foreshore is a number of "clews", some small, others bigger, brown-coloured.

    At first glance, they seem to be earthworms, or residues of fishing nets covered by some wet sand, but they are not, they are fully made of sand, so I got curious and decided to ask.

    How are they formed? Anyone here knows?

    Thank you!