bn:03254277n
Noun Named Entity
Categories: Geological periods, Cryogenian, Proterozoic geochronology, Geology controversies, Ice ages
EN
Cryogenian  Cryogenian glaciation  Cryogenian period  Sturtian-Varangian  Varanger glaciation
EN
The Cryogenian is a geologic period that lasted from 720 to 635 million years ago. Wikipedia
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EN
The Cryogenian is a geologic period that lasted from 720 to 635 million years ago. Wikipedia
The Cryogenian period. Wiktionary
Cryogenian period. Wiktionary (translation)
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