Earth:Kimmswick Limestone
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| Kimmswick Limestone Stratigraphic range: Sandbian-Katian (Trentonian-Shermanian) ~458–446 Ma | |
|---|---|
 Fossil from the Kimmswick Limestone (Missouri) | |
| Type | Formation |
| Underlies | Cape Limestone, Maquoketa Group[1] or the Fernvale Limestone in Arkansas[2] |
| Overlies | Decorah Shale[1] or Plattin Limestone[2] |
| Lithology | |
| Primary | Limestone |
| Other | Sandstone, dolomite[2] |
| Location | |
| Coordinates | [ ⚑ ] : 39°12′N 90°48′W / 39.2°N 90.8°W |
| Paleocoordinates | [ ⚑ ] 23°06′S 66°00′W / 23.1°S 66.0°W |
| Region | Arkansas, Illinois, Missouri |
| Country | United States |
| Type section | |
| Named for | Kimmswick, Jefferson County, Missouri[3] |
| Named by | Edward Oscar Ulrich |
| Year defined | 1904[1] |
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The Kimmswick Limestone is an Ordovician geologic formation in Arkansas, Illinois and Missouri. Fossils occurring in the Kimmswick include corals, bryozoans, brachiopods, conodonts,[4] trilobites, crinoids and mollusks.[2]
Fossil content
The following fossils have been reported from the formation:[5]
- A. unicostatus[4]
- Acontiodus
- A. alveolaris[4]
- Ambalodus
- Aphelognathus
- Belodina
- B. compressa[4]
- Dichognathus
- Distacodus
- D. falcatus[4]
- Drepanodus
- Eoligonodina
- E. delicata[4]
- Icriodella
- I. superba[4]
- Keislognathus
- K. gracilis[4]
- Oistodus
- O. concinna[4]
- Phragmodus
- P. undatus[4]
- Prioniodina
- P. furcata[4]
- Rhynchognathodus
- Sagittodontus
- S. robustus[4]
- Scolopodus
- S. insculptus[4]
- Tetraprioniodus
- T. superbus[4]
- Trichonodella
- T. exacta[4]
- Zygognathus
- Eobronteus
- E. slocomi[6]
See also
- List of fossiliferous stratigraphic units in Arkansas
- List of fossiliferous stratigraphic units in Illinois
- List of fossiliferous stratigraphic units in Missouri
References
- ↑ 1.0 1.1 1.2 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 153
- ↑ 2.0 2.1 2.2 2.3 "Arkansas Geologic Survey". http://www.geology.ar.gov/geology/ozark_ordovician.htm.
- ↑ Ulrich, E. (1904). "The quarrying industry of Missouri". Missouri Bureau of Geology and Mines. 2nd Series 2: 111.
- ↑ 4.00 4.01 4.02 4.03 4.04 4.05 4.06 4.07 4.08 4.09 4.10 4.11 4.12 4.13 4.14 4.15 4.16 4.17 4.18 4.19 4.20 4.21 4.22 4.23 4.24 4.25 4.26 4.27 4.28 4.29 4.30 4.31 4.32 4.33 4.34 4.35 4.36 4.37 4.38 Craig, William (1968). The stratigraphy and conodont paleontology of Ordovician and Silurian strata, Batesville district, Independence and Izard counties, Arkansas (PhD). The University of Texas.
- ↑ Kimmswick Limestone at Fossilworks.org
- ↑ Sinclair, G. Winston (1949). "The Ordovician trilobite Eobronteus". Journal of Paleontology 23 (1): 48-50, pls. 12, 13.
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