| Bell Shale | |
|---|---|
| Stratigraphic range: Middle Devonian | |
| Type | Formation |
| Unit of | Traverse Group |
| Underlies | Rockport Quarry Limestone |
| Overlies | Rogers City Limestone |
| Location | |
| Region |  Michigan |
| Country |  United States |
The Bell Shale is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
The Freda Sandstone is a geologic formation in Michigan. It dates back to the Proterozoic. Lithologically, the Freda Sandstone is a lithic, red-brown, cyclic sequence of sandstones, mudstones and shales.
The Detroit River Group is a geologic group in Michigan and Ohio. It preserves fossils dating back to the Devonian period.
The Bass Islands Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.
The Lucas Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
The Silica Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
The Alpena Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
The Cordell Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.
The Pointe aux Chenes Formation is a geologic formation in Michigan, USA. It preserves fossils dating back to the Silurian period.
The Collingwood Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period.
The Stonington Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period.
The Sylvania Sandstone is a geologic formation in Ohio and Michigan. Its type locality is Sylvania, Ohio. It preserves fossils dating back to the Devonian period.
The Dundee Limestone is a geologic formation in Michigan, Ohio and Ontario. It preserves fossils dating back to the Devonian period.
The Cabot Head Shale is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.
The Hendricks Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.
The Garden Island Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
The Bois Blanc Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
The Anderdon Limestone is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
The Ellsworth Shale is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
The Copper Harbor Conglomerate is a geologic formation in Michigan. It is part of the larger Oronto Group and its formation dates to the Stenian period of the Proterozoic.
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