Ionia Formation
Ionia Formation Stratigraphic range: Jurassic | |
---|---|
Type | Formation |
Underlies | Glacial drift |
Overlies | Grand River Formation |
Location | |
Region | ![]() |
Country | ![]() |
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". Retrieved 17 December 2021.
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Categories:
- Jurassic System of North America
- Oxfordian Stage
- Stratigraphy of Michigan
- Midwestern United States geologic formation stubs
- Michigan geography stubs