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How ancient ocean life in the Gulf of Mexico escaped mass extinction

The geology of the sheltered basin helped protect life against global warming.

Mexican Gulf, Ocean extinction, mass extinction, foraminifera, geology
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