Mississippi river sediments (IMAGE)

University of Texas at Austin

Mississippi river sediments

Caption

The Mississippi River flowing into the Gulf of Mexico. According to researchers at the University of Texas Institute for Geophysics, river sediments and ocean currents helped simple sea life in the Gulf survive a deep-ocean mass extinction 56 million years ago.

Credit

U.S. Geological Survey

Usage Restrictions

No restrictions.

License

Public Domain

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