PERMIAN EXTINCTION
Published on Nov 21, 2015
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PRESENTATION OUTLINE
PERMIAN EXTINCTION
250 MILLION YEARS AGO MASS EXTINCTION NOBODY KNOWS WHAT REALLY HAPPENED1
Photo by J. Tewell
DEATH OF THE DINOSAURS
- 65 million years ago
- Big meteor smashed into what now is Mexico
- Dust Blocked out all sunlight2,1
Photo by the other Martin Taylor
PANGAEA
- Formed 270 million years ago
- Broke apart 200 million years ago, due to tectonic plates.2,3
Photo by garryknight
The Great oxidation event
*cyanobacteria started creating oxygen1 3.5 billion years ago1
Photo by Specious Reasons
