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

Long Lake Limestone
Stratigraphic range: Middle Devonian
TypeFormation
Unit ofTraverse Group
Sub-unitsKillians Member and Genshaw Member
UnderliesAlpena Limestone
OverliesFerron Point Formation
Location
Region Michigan
Country United States

References

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  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.