What does global warming, Siberia, and the Permian Mass extinction have in common?

What does global warming, siberia, and the Permian Mass extinction have in common?

A scientific expedition has uncovered a key ingredient: COAL!

In 2008, Planetary scientist Lindy Elkins-Tanton, of Arizona State University lead an epedition into the frozen tundra of Siberia looking for the cause of the Great Dying that took place at the end of the Permian Period about 250 million years ago. At that time on earth there was massive volcanic activity in the area we now call Siberia. Through many scientists theorized that this event was the trigger for the extinction event, the evidence did not match the conditions needed to cause the extinction of 70% of life on land and 96 % of marine life. The 2008 expedition found the missing ingredient, coal! They fond explosive volcanic rocks that had both coal and charcoal imbedded in it. It is a great story. You can read all about it here https://www.wired.com/story/the-epic-siberian-journey-to-solve-a-mass-extinction-mystery/

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