Thunder Bay Limestone

The Thunder Bay Limestone is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.

Thunder Bay Limestone
Stratigraphic range: Middle Devonian
TypeFormation
Unit ofTraverse Group
Sub-unitsPartidge Point Member, Potter Farm Member, and Norway Point Member
UnderliesKettle Point Formation and Squaw Bay Limestone
OverliesAlpena Limestone
Location
Region Michigan
Country United States

References

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021. {{cite web}}: |author= has generic name (help)


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