| 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. Hopkins2 |
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
References
References
- 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". Retrieved 17 December 2021.