Athensville Coal Member

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Lithostratigraphy: McLeansboro Group >>Modesto Formation >>Athensville 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


Original description

The Athensville Coal Member of the Modesto Formation (Kosanke et al., 1960, p. 37).


Named for Athensville, Greene County.

Other names

It previously was called Upper Scottville (Kosanke, 1950, p. 85).


Type section

Type location

The type section consists of exposures near the town (SE NW SW 16, 12N-9W, Macoupin County).

Type author(s)

Type status

Reference section

Reference location

Reference author(s)

Reference status

Stratigraphic relationships

The Athensville Coal generally lies less than 10 feet below the Scottville Limestone.

Extent and thickness

It occurs in southwestern Illinois.





Well log characteristics


Age and correlation

It may correlate with the Lake Creek Coal of southern Illinois.

Environments of deposition

Economic importance



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.

ISGS Codes

Stratigraphic Code Geo Unit Designation