Geologic formation in Michigan
Cordell Formation |
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Stratigraphic range: Silurian |
Type | Formation |
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Unit of | Manistique Group[1] |
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Underlies | Rockview Formation |
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Overlies | Schoolcraft Formation |
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Location |
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Region | Michigan |
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Country | United States |
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The Cordell Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.[2]
References
- ^ "Michigan Basin Stratigraphy on ResearchGate".
- ^ "Middle Silurian paleoecology; The Raber Fossil Beds, Chippewa County, Michigan, on Geological Society of America Centennial Field Guide—North-Central Section, 1987" (PDF).
- Earth sciences portal
- Michigan portal
- Paleontology portal
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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