| 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". Retrieved 17 December 2021.
| Ph |
|   | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pЄ |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.