St. Joe Formation
| St. Joe Limestone Member | |
|---|---|
| Stratigraphic range: Mississippian | |
| Type | Member |
| Unit of | Boone Formation |
| Overlies | Chattanooga Shale |
| Thickness | up to 100 ft.[1] |
| Lithology | |
| Primary | Limestone |
| Other | Chert |
| Location | |
| Region | Arkansas, Missouri, Oklahoma |
| Country | United States |
| Type section | |
| Named for | St. Joe, Searcy County, Arkansas |
| Named by | T.C. Hopkins[2] |
The St. Joe Formation or St. Joe Limestone Member is a geologic formation or member in northern Arkansas, southern Missouri and northeastern Oklahoma.[1] It preserves fossils of the Mississippian subperiod including crinoids, brachiopods, bryozoa, conodonts, blastoids, ostracods and rugose coral.[1]
See also
References
- ^ a b c St. Joe Limestone
- ^ Hopkins, T.C. (1893). "Marbles and other limestones". Annual Report of the Geological Survey of Arkansas for 1890. 4: 10, 91, 150, 209–211, 244, 249, 253–349, 383, pl. 3.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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