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East Pacific Rise Pillow Basalt

East Pacific rise pillow basalt

East Pacific Rise pillow basalt

  • Exhibition Text

    • The reddish rind on this pillow is made of palagonite, a clay-rich layer that formed when pillow’s hot exterior reacted with cold seawater.  The black manganese minerals on the surface build up over time, indicating that this pillow is older than others displayed here.

      Loaned by the Scripps Institute of Oceanography

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  • For Educators

    • Topic: Earth Science

      Subtopic: Volcanoes

      Keywords: Palagonite, Ocean bottom, Volcanoes, Basalt, Magmas, Mid-ocean ridges, Lava, Volcanic eruptions

      Audience: General

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