Scottville Limestone Member
Lithostratigraphy: McLeansboro Group >>Modesto Formation >>Scottville Limestone Member
Chronostratigraphy: Paleozoic Erathem >>Pennsylvanian Subsystem >>Desmoinesian Series
Allostratigraphy: Absaroka Sequence
Primary source
Willman, H. B., Elwood Atherton, T. C. Buschbach, Charles Collinson, John C. Frye, M. E. Hopkins, Jerry A. Lineback, and Jack A. Simon, 1975, Handbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p.
Contributing author(s)
M. E. Hopkins and J. A. Simon
Name
Original description
The Scottville Limestone Member of the Modesto Formation (Payne, 1942, p. 4).
Derivation
Named for Scottville, Macoupin County.
Other names
History/background
Type section
Type location
The type section consists of exposures along Apple Creek near the town (W 1/2 SW 16, 12N-9W) (Wanless, 1956, p. 11).
Type author(s)
Type status
Reference section
Reference location
Reference author(s)
Reference status
Stratigraphic relationships
Extent and thickness
The Scottville Limestone occurs in southwestern Illinois, where it is as much as 3 feet thick.
Lithology
It is a light gray, fine-grained limestone.
Core(s)
Photograph(s)
Contacts
Well log characteristics
Fossils
The Scottville locally contains abundant Osagia, phylloid algae, and a diverse open-marine fauna.
Age and correlation
It is probably equivalent to part of the West Franklin Limestone of southeastern Illinois.
Environments of deposition
Economic importance
Remarks
References
PAYNE, J. N., 1942, Structure of Herrin (No. 6) coal bed in Macoupin County, eastern Jersey and Greene, southeastern Scott, and southern Morgan and Sangamon Counties: Illinois State Geological Survey Circular 88,46 p.
WANLESS, H. R., 1956, Classification of the Pennsylvanian rocks of Illinois as of 1956: Illinois State Geological Survey Circular 217, 14 p.
ISGS Codes
| Stratigraphic Code | Geo Unit Designation |
|---|---|