Ionia Formation
Appearance
Ionia Formation | |
---|---|
Stratigraphic range: Jurassic | |
Type | Formation |
Underlies | Glacial drift |
Overlies | Grand River Formation |
Location | |
Region | Michigan |
Country | United States |
The Ionia Formation is a geologic formation in Michigan. It preserves fossils dating back to the Jurassic period.
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.
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