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Red Quartzite

Red quartzite

Red quartzite

  • Exhibition Text

    • The rocks in the upper part of the Huronian Supergroup are red-brown, like this quartzite specimen. The color is due to the presence of small quantities of iron oxide minerals (rust), and indicates deposition when the atmosphere contained oxygen.

      AMNH collection

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  • For Educators

    • Topic: Earth Science

      Subtopic: Atmosphere

      Keywords: Atmosphere, Geology, Stratigraphic--Huronian, Iron oxides, Oxygen, Quartzite

      Audience: General

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