Weeks Formation

Weeks Formation Stratigraphic range: Cambrian
Type	Formation
Location
Region	Utah
Country	United States

The Weeks Formation is a geologic formation in Utah. It preserves fossils dating back to the Cambrian period and more specifically the Guzhangian stage. Its upper part has yielded a diverse fauna dominated by trilobites and brachiopods, but also various soft-bodied organisms. As such, it is regarded as a Konservat-Lagerstätte.