Kimmswick Limestone

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Kimmswick Limestone
Stratigraphic range: Sandbian-Katian (Trentonian-Shermanian)
~458–446  Ma
KimmswickOzoraMidOrdReceptaculitid.jpg
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′N90°48′W / 39.2°N 90.8°W / 39.2; -90.8
Approximate paleocoordinates 23°06′S66°00′W / 23.1°S 66.0°W / -23.1; -66.0
Region Arkansas, Illinois, Missouri
Country United States
Type section
Named for Kimmswick, Jefferson County, Missouri [3]
Named by Edward Oscar Ulrich
Year defined1904 [1]
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Kimmswick Limestone (the United States)
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Kimmswick Limestone (Missouri)

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]

Contents

Fossil content

The following fossils have been reported from the formation: [5]

Conodonts

A. unicostatus [4]
A. alveolaris [4]
A. elegans [4]
A. pulcher [4]
A. triangularis [4]
A. abrupta [4]
A. polita [4]
B. compressa [4]
C. delicatus [4]
C. flexuosus [4]
D. brevis [4]
D. scotti [4]
D. typica [4]
D. falcatus [4]
D. homocurvatus [4]
D. suberectus [4]
E. delicata [4]
I. superba [4]
K. gracilis [4]
O. abundans [4]
O. inclinatus [4]
O. parallelus [4]
O. concinna [4]
P. compressus [4]
P. ellisoni [4]
P. fornicalis [4]
P. gracilis [4]
P. simplex [4]
P. undatus [4]
P. furcata [4]
R. divaricatus [4]
R. typicus [4]
S. robustus [4]
S. insculptus [4]
T. superbus [4]
T. exacta [4]
Z. curvata [4]
Z. mira [4]

Trilobites

E. slocomi [6]

See also

References

  1. 1 2 3 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. 1 2 3 4 "Arkansas Geologic Survey". Archived from the original on 2014-07-14. Retrieved 2014-08-11.
  3. ↑ Ulrich, E. (1904). "The quarrying industry of Missouri". Missouri Bureau of Geology and Mines. 2nd Series. 2: 111.
  4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 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.
  5. ↑ Kimmswick Limestone at Fossilworks.org
  6. ↑ Sinclair, G. Winston (1949). "The Ordovician trilobite Eobronteus". Journal of Paleontology. 23 (1): 48–50, pls. 12, 13.


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