Revisiting Day One of the Cenozoic Era

Guest geology by David Middleton Cenozoic Era: The Era of New Life Who would have ever guessed that details about the first day of the Cenozoic Era might have been preserved the stratigraphic record? Sep 09, 2019Rocks at Asteroid Impact Site Record First Day of Dinosaur Extinction AUSTIN, Texas — When the asteroid that wiped…

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End-Permian Extinction Due to Contact Metamorphism?

David Middleton Here’s a novel take on the Siberian Traps and the End-Permian extinction: Geology Massive underground magma pulse caused the world’s largest mass-extinction The end-Permian wiped out almost all marine species Geologists have suggested that Earth’s most severe mass-extinction was caused by a huge pulse of magma which released deadly levels of greenhouse gases…