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Permian Extinction Event Lasted 60,000 years

• arclein
The best record of the Permian "great dying" is in Meishan, China. In past decades, hundreds of geologists collected and analyzed rocks in Meishan that date from before, during and after the Permian extinction. Researchers analyzed these rocks to better understand what caused the Permian event. Volcanic ash beds interlaced with Meishan marine rocks have tiny minerals called zircons that can be precisely dated with geochemical techniques, and the

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