St. Joe Formation

Last updated

St. Joe Limestone Member
Stratigraphic range: Mississippian
Type Member
Unit of Boone Formation
Overlies Chattanooga Shale
Thicknessup to 100 ft. [1]
Lithology
Primary Limestone
Other Chert
Location
Region Arkansas, Missouri, Oklahoma
CountryUnited States
Type section
Named for St. Joe, Searcy County, Arkansas
Named byT.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

  1. 1 2 3 St. Joe Limestone
  2. ↑ 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.


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