Oil shale

  • Exhibition Text

    • Oil shales form when organic matter trapped in layers of clay sediment is transformed by bacteria into petroleum. This sample was deposited during the Eocene (36 to 58 million years ago) at the bottom of an alkaline lake.

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  • For Educators

    • Topic: Earth Science

      Subtopic: Minerals and Resources

      Keywords: Oil shales, Geology, Natural resources, petroleum

      Audience: General