Brainard Shale
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This article needs additional citations for verification. (October 2017) |
Brainard Shale | |
---|---|
Stratigraphic range: Ordovician | |
Type | Formation |
Unit of | Maquoketa Group |
Underlies | Brassfield Limestone, Cataract Formation, and Sexton Creek Limestone |
Overlies | Fort Atkinson Limestone |
Location | |
Region | Illinois, Indiana |
Country | United States |
The Brainard Shale is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period.
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.