Boring Billion
English
Etymology
boring + billion. From the remarkably stable environment of the time, over a period of 1 billion years, from climate, weather, geology, tectonic shifting, lifeforms.
Proper noun
Boring Billion
- (geology) The period of time from 1.8 Gya to 800 Mya, on Earth, lying in the middle of the Proterozoic.
Synonyms
- Barren Billion
- Dullest Time in Earth's History