The first period of the Mesoproterozoic era, spanning 1.6 billion to 1.4 billion years ago, following the breakup of the supercontinent Columbia. It is characterized by stabilization and expansion of cratonic platform covers, sedimentary layers deposited over older, stable continental crust. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Start (Million Years Ago) End (Million Years Ago) Connections
Has Geologic Rank
In Discipline
Precursor To
Sources
1. Mesoproterozoic (Wikipedia)
Wikimedia FoundationArticle textQuote, Article text
The Calymmian and Ectasian were characterized by stabilization and expansion of cratonic covers and the Stenian by formation of orogenic belts.
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