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Showing posts with label Pangaea. Show all posts
Showing posts with label Pangaea. Show all posts

Wednesday, July 18, 2012

Rethinking the Triassic-Jurassic Mass Extinction

A new study casts doubt on a popular theory about the mass extinction that occurred in the transition between two geological periods, the Triassic and the Jurassic. The findings give us a better understanding of today’s climate changes, scientists claim.

About the time, 201 million years ago, that the super-continent Pangaea – the single land mass made up of all the present continents – started to break up, life on Earth was hit by a severe crisis that killed off numerous animal species.