| 词条 | Keokuk Limestone |
| 释义 |
| name = Keokuk Limestone | image = | caption = | type = Formation | age = Mississippian | period = Mississippian | prilithology = Limestone | otherlithology = | namedfor = Keokuk in southeastern Iowa[1] | namedby = | region = Illinois, Iowa, Missouri | country = United States | coordinates = | unitof = | subunits = | underlies = Warsaw Formation | overlies = Burlington Limestone[1] | thickness = | extent = | area = | map = | map_caption = }} The Keokuk Limestone is a geologic formation in Illinois, Iowa and Missouri. It preserves fossils dating back to the Mississippian sub-period. See also{{Portal|Paleontology|Carboniferous}}
References1. ^1 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
4 : Carboniferous Illinois|Carboniferous Iowa|Carboniferous Missouri|Carboniferous southern paleotropical deposits |
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