Orchard Creek Shale

Orchard Creek Shale
Stratigraphic range: Ordovician
TypeFormation
Location
Region Illinois
Country United States

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

See also

[edit]

References

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