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East Antarctic Ice Sheet Has Stayed Frozen for 14 Million Years, Penn Team Reports

In a new study in Scientific ReportsUniversity of Pennsylvania researchers use an innovative technique to date one of Antarctica’s ancient lake deposits. They found that the deposits have remained frozen for at least the last 14 million years, suggesting that the surrounding region, the East Antarctic Ice Sheet, or EAIS, has likewise remained intact.

 

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Department of Earth and Environmental Science / University of Pennsylvania, 251 Hayden Hall, 240 South 33rd Street, Philadelphia, PA 19104-6316