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News Release 12-019
Global Extinction: Gradual Doom as Bad as Abrupt
In "The Great Dying" 250 million years ago, the end came slowly
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The geology of Griesbach Creek in the Arctic tells an ancient tale of slow extinction.
Credit: C.M. Henderson
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Paleogeography during the Permian-Triassic boundary extinction 252 million years ago.
Credit: Thomas Algeo
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The barren arctic landscape of Ellesmere Island was the site of the scientists' research.
Credit: C.M. Henderson
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Putorana Plateau, a UNESCO World Heritage Area, contains 500 million years of history.
Credit: Thomas Algeo
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Marine biodiversity changed significantly in hundreds of millions of years of Earth history.
Credit: Thomas Algeo
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Close-up of the geologists' West Blind Fiord, Ellesmere Island, Canada, study site.
Credit: C.M. Henderson
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