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News From the Field

Caltech Geobiologists Uncover Links Between Ancient Climate Change and Mass Extinction


January 27, 2011

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About 450 million years ago, Earth suffered the second-largest mass extinction in its history--the Late Ordovician mass extinction, during which more than 75 percent of marine species died. Exactly what caused this tremendous loss in biodiversity remains a mystery, but now a team led by researchers at Caltech has discovered new details supporting the idea that the mass extinction was linked to a cooling climate.Full Story

Source
California Institute of Technology

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