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

1. (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