Stonington Formation
| Stonington Formation | |
|---|---|
| Stratigraphic range: Late Ordovician | |
| Type | Formation | 
| Unit of | Richmond Group (geology) | 
| Sub-units | Ogontz Member and Bay de Noc Member | 
| Underlies | Big Hill Formation | 
| Overlies | Bill's Creek Shale | 
| Location | |
| Region | Michigan | 
| Country | United States | 
The Stonington Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period.
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 22 June 2014.