Keokuk Limestone

Keokuk Limestone
Stratigraphic range: Mississippian
TypeFormation
UnderliesWarsaw Formation
OverliesBurlington Limestone[1]
Lithology
PrimaryLimestone
Location
RegionIllinois, Iowa, Missouri
CountryUnited States
Type section
Named forKeokuk in southeastern Iowa[1]

The Keokuk Limestone is a geologic formation in Illinois, Iowa and Missouri. It preserves fossils dating back to the Mississippian sub-period.

  1. ^ a b Thompson, Thomas L., 2001, Lexicon of Stratigraphic Nomenclature in Missouri, Missouri Department of Natural Resources, Division of Geology and Land Survey, Report of Investigation Number 73, p 145