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Contact: Cheryl Dybas
cdybas@nsf.gov
703-292-7734
National Science Foundation

Palisade Sill near Alpine, N.J.

Caption: Palisade Sill near Alpine, N.J., has geologic remnants of the end-Triassic extinction event.

Credit: Terrence Blackburn and Paul Olsen

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Related news release: Before dinosaurs' era, volcanic eruptions triggered mass extinction


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