Saginaw Group
| Saginaw Group Stratigraphic range: Carboniferous | |
|---|---|
| Type | Group |
| Location | |
| Region |
 Michigan |
| Country |
 United States |
The Saginaw Group is a geologic group in Michigan composed of sedimentary rock deposited during the Pennsylvanian Period (circa 323.2 million years ago to 298.9 million years ago. Saginaw group rocks include sandstone, shale, coal, and limestone of fresh water, brackish, and marine origin. Fossils dating back to the Penssylvanian Period (Late or Upper Carboniferous period) can be found in Saginaw Group formations.
See also
References
- USGS Mineral Resources On-Line Spatial Data. https://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=MIPAs. Retrieved 02 May 2017.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 22 June 2014.
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