Brainard Shale

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Brainard Shale
Stratigraphic range: Ordovician
TypeFormation
Unit ofMaquoketa Group
UnderliesBrassfield Limestone, Cataract Formation, and Sexton Creek Limestone
OverliesFort Atkinson Limestone
Location
RegionIllinois, Indiana
CountryUnited States

The Brainard 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 17 December 2021. {{cite web}}: |author= has generic name (help)


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