Sturtian glaciation, Cryogenian period. Artwork showing the Earth just before a glaciation in the Cryogenian period. This geologic period lasted from
Sturtian glaciation, Cryogenian period. Artwork showing the Earth just before a glaciation in the Cryogenian period. This geologic period lasted from 850 to 635 million years ago, and included several global glaciations covering the entire Earth (the 'Snowball Earth' hypothesis). This is the Earth before the Sturtian glaciation (750 to 700 million years ago), with the Rodinia supercontinent beginning to break up. Such glaciations killed most life, but when they ended the survivors exploded in evolutionary diversity. For a sequence showing the onset of the Sturtian glaciation, see images C013/0501 to C013/0505.
Size: 4217px × 4217px
Photo credit: © MIKKEL JUUL JENSEN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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