• @200ok
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    59 days ago

    It’s fish vomit

    • @NoSpotOfGround
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      49 days ago

      During the period fish and sharks would eat sea lilies, which are hard to digest meaning they would then “regurgitate all the chalk bits”, he explained.

  • @jqubed
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    39 days ago

    I would’ve thought vomit would biodegrade before it could fossilize

    • The Octonaut
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      29 days ago

      They vomited chalk/calcium carbonate from marine invertebrates.