Sea die-out blamed on volcanoes

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Bericht 17-07-'08, 22:27

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Sea die-out blamed on volcanoes

Undersea volcanic activity has been blamed for a mass extinction in the seas 93 million years ago.


In the so-called "anoxic event" of the late Cretaceous Period, the ocean depths became starved of oxygen, wiping out swathes of marine organisms.


Researchers from the University of Alberta, Canada, found a tell-tale signature of underwater volcanism in rocks dating to the period.


Lees meer ... BBC News

Lees meer ... Physics.org


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