Search results for "Cryogenian" - New World Encyclopedia
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- is further subdivided into the Tonian, Cryogenian, and Ediacaran periods ... The Sturtian and Marinoan glaciations, of the Cryogenian period, were ...12 KB (1,674 words) - 23:29, 30 June 2025
- It has even been hypothesized that during the Cryogenian period, this sea ice extended all the way to the equator (see Snowball Earth). ...6 KB (963 words) - 14:00, 28 November 2024
- like red algae; Snowball Earth in Cryogenian period; Ediacaran biota]] The Proterozoic eon is an interval of geologic time of nearly 2 billion ...10 KB (1,471 words) - 11:58, 30 April 2026
- ***Cryogenian. This is a proposed subdivision of the Neoproterozoic era. ***Tonian. The Tonian is another proposed subdivision of the Neoproterozoic ...13 KB (1,894 words) - 12:14, 14 April 2026
- from 850 to 630 million years ago (the Cryogenian period) and may have produced ... the equator, as Rodinia did during the Cryogenian period. ...38 KB (5,850 words) - 15:16, 28 November 2024
- The Cambrian period is an interval of about 54 million years defined on the geologic time scale as spanning roughly from 542 to 488 million years ...18 KB (2,543 words) - 00:08, 19 May 2025
- | colspan="2" style="background:#DCABAA" | Cryogenian | colspan="2" | Possible snowball Earth period, Rodinia begins ...25 KB (3,352 words) - 15:52, 16 May 2025
