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Contact: Leanne Yohemas
University of Calgary

Smoking Gun of Permian Extinction (1 of 3)

Caption: Dr. Stephen Grasby at Buchanan Lake, Axel Heiberg Island, Nunavut, where recent discovery of coal ash layers provide the first direct evidence of significant coal fires at the Latest Permian Extinction.

Credit: Courtesy of University of Calgary

Usage Restrictions: With credit

Related news release: Researchers find smoking gun of world's biggest extinction

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