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Contact: Mari N. Jensen
University of Arizona

Antarctica's Topography

Caption: This 3-D reconstruction of the topography hidden under Antarctica's two-mile-thick coating of ice was made using data from radar surveys. Glaciers started carving Antarctica into the current mountain-and-fjord landscape 34 million years ago, according to new findings from University of Arizona geoscientist Stuart N. Thomson and his colleagues.

Credit: Courtesy of Stuart N. Thomson/UA department of geosciences

Usage Restrictions: This image may only be used to accompany a story about the research described in the release,

Related news release: The making of Antarctica's hidden fjords

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