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Statherian Period
1800-1600 million years ago
Paleoglobe NO 1740 mya.gif

Paleoglobe of the Earth during the Statherian

The Statherian Period (; Greek: (statherós), meaning "stable, firm") is the final geologic period in the Paleoproterozoic Era and lasted from 1800 Mya to 1600 Mya (million years ago). Instead of being based on stratigraphy, these dates are defined chronometrically.[1][2]

The period was characterized on most continents by either new platforms or final cratonization of fold belts. Oxygen levels were 10% to 20% of current values.[3]

Rafatazmia, controversially[4] claimed to be present in Statherian beds in India, may be the oldest known confirmably eukaryotic fossil organism.[5]

By the beginning of the Statherian, the supercontinent Columbia had assembled.

See also


  1. ^ "Statherian Period". GeoWhen Database. Archived from the original on May 12, 2006. Retrieved 2006.
  2. ^ James G. Ogg (2004). "Status on Divisions of the International Geologic Time Scale". Lethaia. 37 (2): 183-199. doi:10.1080/00241160410006492.
  3. ^ Holland, Heinrich D. (2006). "The oxygenation of the atmosphere and oceans" (PDF). Philosophical Transactions of the Royal Society: Biological Sciences. 361: 903-915. doi:10.1098/rstb.2006.1838.
  4. ^ Kumar, S. (2009). "Controversy concerning 'Cambrian' fossils from the Vindhyan sediments: a re-assessment" (PDF). Journal of the Palaentological Society of India. 54 (1): 115-117.
  5. ^ Bengtson, Stefan; Sallstedt, Therese; Belivanova, Veneta; Whitehouse, Martin (2017). "Three-dimensional preservation of cellular and subcellular structures suggests 1.6 billion-year-old crown-group red algae". PLOS Biology. 15 (3): e2000735. doi:10.1371/journal.pbio.2000735. PMC 5349422. PMID 28291791.

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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