Ectasian 1
rzeczownikdomena: czas
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Definicja
The Ectasian is the second geologic period in the Mesoproterozoic Era and lasted from 1400 ago to 1200 million years ago.
Przykłady
- 1.The 1.2 billion year old Hunting Formation on Somerset Island, Canada, dates from the end of the Ectasian.


