McMillan Formation

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McMillan Formation
Stratigraphic range: Katian [1]
Geopetal structure in Platystrophia ponderosa brachiopod in limestone (Corryville Member, McMillan Formation, Upper Ordovician; Flemingsburg South roadcut, Fleming County, Kentucky, USA) 2.jpg
Geopetal structure in limestone of the Corryville Member, McMillan Formation
Type Formation
Sub-units Bellevue Limestone, Corryville Member
Location
Region Ohio, Kentucky, Indiana
Country United States
Fossil from the McMillan Formation (Ohio) Iocrinus subcrassus, crinoid, Late Ordovician, McMillan Formation, Butler County, Ohio, USA - Houston Museum of Natural Science - DSC01499.JPG
Fossil from the McMillan Formation (Ohio)

The McMillan Formation is a geologic formation in Ohio, Kentucky and Indiana. It preserves fossils dating back to the Ordovician period.

See also

References

Specific
  1. ↑ Schramm, Thomas J (2011). Sequence Stratigraphy of the Late Ordovician (Katian), Maysvillian Stage of the Cincinnati Arch, Indiana, Kentucky, and Ohio, U.S.A. (PhD). University of Cincinnati . Retrieved 2020-12-02. Select link from files section of linked page.


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