Cordell Formation
| Cordell Formation | |
|---|---|
| Stratigraphic range: Silurian | |
| Type | Formation | 
| Unit of | Manistique Group[1] | 
| Underlies | Rockview Formation | 
| Overlies | Schoolcraft Formation | 
| Location | |
| Region | Michigan | 
| Country | United States | 
The Cordell Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.[2]
References