Long Lake Limestone

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Long Lake Limestone
Stratigraphic range: Middle Devonian
Type Formation
Unit of Traverse Group
Sub-unitsKillians Member and Genshaw Member
Underlies Alpena Limestone
Overlies Ferron Point Formation
Location
RegionFlag of Michigan.svg  Michigan
CountryFlag of the United States.svg  United States

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

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