Scales Shale

Scales Shale
Stratigraphic range: Ordovician
TypeFormation
Unit ofMaquoketa Group
UnderliesFort Atkinson Limestone
OverliesTrenton Limestone
Location
RegionIllinois, Indiana
CountryUnited States

The Scales Shale is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period.

See also

References

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 22 June 2014.


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