Silica Formation

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Silica Formation
Stratigraphic range: Devonian
UnderliesTenmile Creek Dolomite
OverliesDundee Limestone
RegionMichigan and Ohio
Country United States

The Silica Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.


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