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Raslesten

En raslesten eller ranglesten er et fossil i form af en kuglerund hul flintknold (kugleflint) med et løst fossil indeni. Det er en forstening af en kiselsvamp, hvor noget af svampen er gået i opløsning inde i flinteknolden og derfor ligger løst. Derfor giver flinteknolden en raslende lyd, når man ryster den, hvoraf navnet.[1][2]

Alder

Raslesten er en forstening af svampen Plinthosella resonans fra Kridttiden.[3]

Forekomst

Raslesten kan i Danmark findes ved Møns Klint[4] og Stevns Klint.

Kilder

Eksterne henvisninger

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