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Eras

Ectasian

Proterozoic

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The second period of the Mesoproterozoic era, spanning 1.4 billion to 1.2 billion years ago. Like the preceding Calymmian, the Ectasian is characterized by continued stabilization and expansion of cratonic platform covers across the continents.

Facts
Rank
Period 1
Start (Million Years Ago)
1400 1
End (Million Years Ago)
1200 1
Cross-Tradition Connections

Anticipated By

Calymmian, Eras

In Discipline

Part Of

Mesoproterozoic, Eras

Precursor To

Stenian, Eras
Sources
1. Mesoproterozoic (Wikipedia)
Wikimedia FoundationTable of Mesoproterozoic periods
Quote, Table of Mesoproterozoic periods
stabilization and expansion of cratonic covers
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