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- Search Terms:ISSN: 00280836AndISSN: 14764687AndVolume Number: 412AndIssue Number: 6848AndStart Page: 691AndDate: 2001 Revise Search
- 1From: Nature. (Vol. 412, Issue 6848) Peer-ReviewedAuthor(s): Stein B. Jacobsen (corresponding author) The Earth's harshest glaciations occurred between about 600 million and 800 million years ago, in the late Neoproterozoic era. The severity of the glaciations was...