The Rhyacian period lasted from 2.3 billion years ago to 2.05 billion years ago. During this time the first eukaryotes appeared, the Bushveld Formation formed, and the Huronian Glaciation took place.
Dinopedia
The Rhyacian period lasted from 2.3 billion years ago to 2.05 billion years ago. During this time the first eukaryotes appeared, the Bushveld Formation formed, and the Huronian Glaciation took place.