St. Joe Formation

St. Joe Limestone Member
St. Joe Limestone Member
Stratigraphic range: Mississippian
Type	Member
Unit of	Boone Formation
Overlies	Chattanooga Shale
Thickness	up to 100 ft.
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

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

1 2 3 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.

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