Wiley Coal Member

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Lithostratigraphy: Kewanee Group >>Spoon Formation >>Wiley 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 Wiley Coal Member of the Spoon Formation (Wanless, 1931a, p. 191).

Derivation

Named for Wiley School, Fulton County.

Other names

History/background

Type section

Type location

Wiley School is near the type section (SW NW 16, 7N-2E) (Wanless, 1956, p. 9; 1957, p. 79, 206).

Type author(s)

Type status

Reference section

Reference location

Reference author(s)

Reference status

Stratigraphic relationships

Extent and thickness

The Wiley is a widespread coal in western Illinois. It is seldom more than 2 feet thick, although local occurrences of up to 3 feet are known.

Lithology

Core(s)

Photograph(s)

Contacts

Well log characteristics

Fossils

Age and correlation

It is correlative with the Davis Coal of southern Illinois and western Kentucky. It may be equivalent to the Mineral coal of Missouri and Kansas (Wanless, 1957).

Environments of deposition

Economic importance

Remarks

References

WANLESS, H. R., 1931a, Pennsylvanian cycles in western Illinois: Illinois State Geological Survey Bulletin 60, p.
WANLESS, H. R., 1956, Classification of the Pennsylvanian rocks of Illinois as of 1956: Illinois State Geological Survey Circular 217, 14 p.
WANLESS, H. R., 1957, Geology and mineral resources of the Beardstown, Glasford, Havana, and Vermont Quadrangles: Illinois State Geological Survey Bulletin 82, 233 p.

ISGS Codes

Stratigraphic Code Geo Unit Designation
3240
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