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Plattin Formation)
| Plattin Limestone | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation |
| Unit of | Black River Group |
| Underlies | Kimmswick Limestone, Kope Formation, Lexington Limestone, and Trenton Limestone |
| Overlies | Joachim Dolomite and Pecatonica Formation |
| Thickness | up to 250 feet in Arkansas [1] |
| Lithology | |
| Primary | Limestone |
| Location | |
| Region | Arkansas, Illinois, Missouri |
| Country | United States |
| Type section | |
| Named for | Plattin Creek, Jefferson County, Missouri |
| Named by | Edward Oscar Ulrich [2] |
The Plattin Limestone is a Middle Ordovician geologic formation in Arkansas, Illinois, and Missouri. [1] The name was first introduced in 1904 by Edward Oscar Ulrich in his study of the geology of Missouri. [2] A type locality was designated at the mouth of the Plattin Creek in Jefferson County, Missouri, however a stratotype was not assigned. As of 2017, a reference section has not been designated. The name was introduced into Arkansas in 1927, replacing part of the, now abandoned, Izard Limestone. [3]
See also
References
- ^ a b McFarland, John David (2004) [1998]. "Stratigraphic summary of Arkansas" (PDF). Arkansas Geological Commission Information Circular. 36: 6. Archived from the original (PDF) on 2016-12-21. Retrieved 2018-01-11.
- ^ a b Buckley, E.R.; Buehler, H.A. (1904). "The quarrying industry of Missouri". Missouri Bureau of Geology and Mines. 2nd Series. 2: 11, 280.
- ^ Branner, G.C. (1927). Outlines of Arkansas' mineral resources. Bureau of Mines, Manufactures and Agriculture and State Geological Survey.
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