Gravel Point Formation | |
---|---|
Stratigraphic range: | |
Type | Geological formation |
Unit of | Traverse Group |
Lithology | |
Primary | Limestone |
Location | |
Region | Michigan |
Country | United States |
The Gravel Point Formation is a geologic formation in western Michigan. It preserves fossils dating back to the middle Devonian period and correlates with the Long Lake Limestone and Alpena Limestone.[1]