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]