Kimmswick Limestone | |
---|---|
Stratigraphic range: Sandbian-Katian (Trentonian-Shermanian) ~ | |
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 |
Approximate 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] |
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]
Craig
was invoked but never defined (see the help page).