The Cordell Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.[2]

Cordell Formation
Stratigraphic range: Silurian
TypeFormation
Unit ofManistique Group[1]
UnderliesRockview Formation
OverliesSchoolcraft Formation
Location
Region Michigan
Country United States

References

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  1. ^ "Michigan Basin Stratigraphy on ResearchGate".
  2. ^ "Middle Silurian paleoecology; The Raber Fossil Beds, Chippewa County, Michigan, on Geological Society of America Centennial Field Guide—North-Central Section, 1987" (PDF).