Allenby Coal Member
Lithostratigraphy: Kewanee Group >>Carbondale Formation >>Allenby Coal 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 Allenby Coal Member of the Carbondale Formation (Kosanke et al., 1960, p. 35, 48).
Derivation
Named for Allenby, Saline County.
Other names
It was formerly called the Bankston Coal (Wanless, 1939, p. 14, 76).
History/background
Type section
Type location
The type locality is in Williamson County, half a mile northeast of the village along the roadside east of a railroad crossing (NE NW 24, 9S-4E) (Kosanke, 1950, p. 79), where it occurs 1-2 feet above the Bankston Fork Limestone.
Type author(s)
Type status
Reference section
Reference location
Reference author(s)
Reference status
Stratigraphic relationships
Extent and thickness
It is a thin coaly zone occurring in much of Williamson, Saline, and Gallatin Counties.
Lithology
It is generally overlain by a greenish gray or gray shale and is underlain by underclay.
Core(s)
Photograph(s)
Contacts
Well log characteristics
Fossils
Age and correlation
It is minable locally in western Kentucky, where it is called the Baker coal.
Environments of deposition
Economic importance
Remarks
References
KOSANKE, R. M., 1950, Pennsylvanian spores of Illinois and their use in correlation: Illinois State Geological Survey Bulletin 74, 128 p.
KOSANKE, R. M., J. A. SIMON, H. R. WANLESS, and H. B. WILLMAN, 1960, Classification of the Pennsylvanian strata of Illinois: Illinois State Geological Survey Report of Investigations 214, 84 p.
WANLESS, H. R., 1939, Pennsylvanian correlations in the Eastern Interior and Appalachian coal fields: Geological Society of America Special Paper 17, 130 p.
ISGS Codes
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