Geologic formation in Michigan, United States
Au Train Formation |
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Stratigraphic range: Early Ordovician |
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Type | Formation |
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Underlies | Black River Formation |
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Overlies | Munising Formation |
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Location |
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Region | Michigan |
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Country | United States |
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The Au Train Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period.
See also
- Earth sciences portal
- Michigan portal
- Paleontology portal
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
- Pictured Rocks: Geologic Formations|url=http://www.nps.gov/piro/naturescience/geologicformations.htm%7Cpublisher=US National Park Service|accessdate=June 14, 2020
Chronostratigraphy of Michigan
Ph | Cz | |
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Mz | |
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Pz | C | ⁋ | - Grand River Formation
- Saginaw Formation
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