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Why do Fossilised Shark Teeth turn Black?
Why do fossilised Shark teeth turn black? When a shark loses a tooth it falls to the ocean floor and is buried in the sediment. This burial acts as a protective shield sealing the tooth off from destructive bacteria and oxygen,.
If the tooth turns black it means that the sediment was rich in phosphates and organic carbon.
#fossil #shark #ocean #fossils
Видео Why do Fossilised Shark Teeth turn Black? канала Fossil Finder Sue
If the tooth turns black it means that the sediment was rich in phosphates and organic carbon.
#fossil #shark #ocean #fossils
Видео Why do Fossilised Shark Teeth turn Black? канала Fossil Finder Sue
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26 мая 2026 г. 2:27:50
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