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  • Exhibition Text

    • This sample is from the chalk beds of southern England.  It is made of the fossil shells of microscopic marine organisms known as foraminifera.  These were deposited on the seafloor 65 to 140 million years ago.

      AMNH collection

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  • For Educators

    • Topic: Earth Science

      Subtopic: Minerals and Resources

      Keywords: Mollusks, Fossil, Foraminifera, Chalk, Mineralogy

      Audience: General

American Museum of Natural History

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