Coffeen Limestone Member

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Lithostratigraphy: McLeansboro Group >>Bond Formation >>Coffeen 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 Coffeen Limestone Member of the Bond Formation (Gluskoter, in Kosanke et al., 1960, p. 39).

Derivation

Named for Coffeen, Montgomery County.

Other names

History/background

Type section

Type location

The type section consists of outcrops along the East Fork of Shoal Creek, about 4.5 miles northeast of Coffeen (NE NW SW 7, 8N-2W).

Type author(s)

Type status

Reference section

Reference location

Reference author(s)

Reference status

Stratigraphic relationships

It occurs about 80 feet below the base of the Millersville Limestone.

Extent and thickness

The Coffeen Limestone is less than 2 feet thick in the type area. It is 8 feet above the Witt Coal in the type area and may be fairly widespread, but it has been recognized only in the northern part of southwestern Illinois.

Lithology

Core(s)

Photograph(s)

Contacts

Well log characteristics

Fossils

The Coffeen contains a varied marine fauna dominated by brachiopods, crinoids, and bryozoans.

Age and correlation

The Coffeen Limestone probably correlates with the Riverview Limestone Member, which lies about 40 feet above the Fairbanks Coal Member of Indiana.

Environments of deposition

Economic importance

Remarks

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.

ISGS Codes

Stratigraphic Code Geo Unit Designation
1930
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