The Statherian Period ( /stəˈθɪəriən/; Greek: σταθερός (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. The period was characterized on most continents by either new platforms or final cratonization of fold belts. By the beginning of the Statherian, the supercontinent Columbia had assembled. See also
Statherian Period". GeoWhen Database. Archived from the original on
May 12, 2006. Retrieved January 5, 2006.
James G. Ogg (2004). "Status on Divisions of the International
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Siderian Rhyacian Orosirian Statherian
Calymmian Ectasian Stenian
Tonian Cryogenian Ediacaran
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