Ustʹ_Pinega_Formation
Ustʹ Pinega Formation
Geological formation in northwestern Russia
The Ustʹ Pinega Formation is a geological formation exposed along the banks of the Onega River in Arkhangelsk Oblast, northwestern Russia.
This article relies largely or entirely on a single source. (March 2022) |
It is famed for the vast quantities of fossils of Ediacara biota preserved in its ash beds.[1]