Proterozoic Eon
2,500 million to 541 million years ago)
**Follow the arrows to journey through the eon**
Climate/Atmosphere
Overview: Earth was mostly covered in oceans, with very little land. The atomosphere also changed drastically throughout this eon.
Oxygen Catastrophe
Overview: Earth's atmosphere contained so much oxygen that it led to a mass extinction.
Research Project - Proterozoic on
Cade H.
Created on February 17, 2023
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Transcript
Proterozoic Eon
2,500 million to 541 million years ago)
**Follow the arrows to journey through the eon**
Climate/Atmosphere
Overview: Earth was mostly covered in oceans, with very little land. The atomosphere also changed drastically throughout this eon.
Oxygen Catastrophe
Overview: Earth's atmosphere contained so much oxygen that it led to a mass extinction.