| Silica Formation | |
|---|---|
| Stratigraphic range: Devonian | |
_5_(48372697116).jpg) Silica Formation (Quarry in Lucas County, Ohio) | |
| Type | Formation |
| Underlies | Tenmile Creek Dolomite |
| Overlies | Dundee Limestone |
| Location | |
| Region | Michigan and Ohio |
| Country |  United States |
The Silica Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
