List of fossiliferous stratigraphic units in Michigan

Group or Formation Period Notes
Antrim ShaleDevonian
Bass Islands GroupSilurian
Bill's Creek ShaleOrdovician
Chandler Falls FormationOrdovician
Collingwood FormationOrdovician
Cordell FormationSilurian
Corniferous FormationDevonian
Lucas FormationDevonian
Georgian Bay FormationOrdovician
Groos Quarry FormationOrdovician
Marshall FormationCarboniferous
Pointe aux Chenes FormationSilurian
Richmond FormationOrdovician
Stonington FormationOrdovician
Rogers City FormationDevonian
Saginaw GroupDevonian - Carboniferous
Silica FormationDevonian
Stonington FormationOrdovician
Four Mile Dam FormationDevonian
Alpena FormationDevonian
Gravel Point FormationDevonian
Norway Point FormationDevonian
Petosky LimestoneDevonian
Potter Farm FormationDevonian
Thunder Bay LimestoneDevonian
Trenton FormationOrdovician
Waverly SandstoneCarboniferous

See also

References

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.
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