Historical:Lake Creek Coal Member

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Handbook of Illinois Stratigraphy
Series Bulletin 95
Author H. B. Willman, Elwood Atherton, T. C. Buschbach, Charles Collinson, John C. Frye, M. E. Hopkins, Jerry A. Lineback, Jack A. Simon
Date 1975
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Lithostratigraphy: McLeansboro Group >>Modesto Formation >>Lake Creek Coal Member
Chronostratigraphy: Paleozoic Erathem >>Pennsylvanian Subsystem >>Desmoinesian Series
Allostratigraphy: Absaroka Sequence


M. E. Hopkins and J. A. Simon

Name Origin

The Lake Creek Coal Member of the Modesto Formation is named for Lake Creek Township, Williamson County (Cady, in Kosanke et al., 1960, p. 37).

Type Section

The type section of the Lake Creek Coal is at a depth of 86.6 feet in the Consolidated Coal Company drill hole 91 (SW NE NE 21, 8S-3E), located in Lake Creek Township.

Other Names

It previously was informally called the Third Cutler Rider coal.

Extent and Thickness

The coal is lenticular and occurs in southern Illinois.


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