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It would have been 70 percent worse than the modern-day ozone hole at its worst.It blew my mind that there could be naturally occurring chlorofluorocarbons, the same as the ones we banned."Life on Earth struggled to resist the harsh conditions produced.Current climate change is driven by increasing levels of carbon dioxide in the atmosphere.
"The basalts that poured out are now called the Siberian Traps and are some of the largest of their type.
As it turns out there was plenty of vanillin in the samples.
"The acidity of end Permian soils appears to have been similar to vinegar or lemon juice," Sephton says.
If the surrounding environment is acidic, meaning the ph is low, then the vanillin won't oxidize into vanillic acid.
So, if the rocks had much more vanillin than vanillic acid, that would mean that the surrounding soils were highly acidic.
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That may well have been the case for the end Permian as well because the Siberian Traps emitted carbon dioxide in addition to sulfur dioxide.