Historical:Flat 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 >>Bond Formation >>Flat Creek Coal Member
Chronostratigraphy: Paleozoic Erathem >>Pennsylvanian Subsystem >>Missourian Series
Allostratigraphy: Absaroka Sequence

Authors

M. E. Hopkins and J. A. Simon

Name Origin

The Flat Creek Coal Member of the Bond Formation (Simon, in Wanless, 1955, p. 1764) is named for Flat Creek in Bond County.

Type Section

The type section is exposed along Flat Creek (NE SE 24, 6N-5W) (Kosanke et al., 1960, p. 39).

Correlation

It is correlated with the Flannigan Coal of southeastern and eastern Illinois and the Fairbanks Coal Member of Indiana.

Extent and Thickness

The Flat Creek is a thin, widespread coal readily recognized on geophysical logs in southwestern Illinois.

Stratigraphic Position

The coal is widely overlain by a thin black shale and a marine limestone.

References

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., 1955, Pennsylvanian rocks of Eastern Interior Basin: American Association of Petroleum Geologists Bulletin, v. 39, p. 1753-1820 (see 1962).

ISGS Codes

Stratigraphic Code Geo Unit Designation
1970
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