Oxygen depletion in ancient oceans caused major mass extinction – FSU EOAS Geology
“Around 420 million years ago, a devastating mass extinction event wiped 23 percent of all marine animals from the face of the planet. For years, scientists struggled to connect a mechanism to this mass extinction.
Geology Assistant professors Seth Young and Jeremy Owens and graduate student Chelsie Bowman from Florida State University‘s Department of Earth, Ocean & Atmospheric Science at FSU, part of the FSU College of Arts & Sciences, are now confirming what triggered this event.
Their study, published today in the journal Geology, resolves a longstanding paleoclimate mystery, and raises urgent concerns about the ruinous fate that could befall our modern oceans if well-established trends of deoxygenation persist and accelerate.”
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