Carlinville Limestone Member
Lithostratigraphy: McLeansboro Group >>Modesto Formation >>Carlinville Limestone Member
Chronostratigraphy: Paleozoic Erathem >>Pennsylvanian Subsystem >>Missourian 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 Carlinville Limestone Member of the Modesto Formation (Worthen, 1873, p. 290-301).
Derivation
Named for Carlinville, Macoupin County.
Other names
History/background
Type section
Type location
The type section consists of outcrops along Macoupin Creek (SW SW 35, 10N-7W) (Wanless, 1956, p. 11).
Type author(s)
Type status
Reference section
Reference location
Reference author(s)
Reference status
Stratigraphic relationships
Extent and thickness
The limestone is recognized only in part of southwestern Illinois, where it is thick-bedded, up to 5 feet thick.
Lithology
Core(s)
Photograph(s)
Contacts
Well log characteristics
Fossils
The Carlinville contains an open-marine fauna.
Age and correlation
Environments of deposition
Economic importance
Remarks
References
WANLESS, H. R., 1956, Classification of the Pennsylvanian rocks of Illinois as of 1956: Illinois State Geological Survey Circular 217, 14 p.
WORTHEN, A. H., 1873, Geology and paleontology: Geological Survey of Illinois, v. 5, 619 p.
ISGS Codes
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