Copperas Creek Sandstone Member

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Lithostratigraphy: Kewanee Group >>Carbondale Formation >>Copperas Creek Sandstone 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 Copperas Creek Sandstone Member of the Carbondale Formation (Savage, 1927, p. 309).

Derivation

Named for Copperas Creek in Fulton County, along which the sandstone is well exposed (Wanless, 1957, p. 114).

Other names

History/background

Type section

Type location

No type section was designated.

Type author(s)

Type status

Reference section

Reference location

Reference author(s)

Reference status

Stratigraphic relationships

Extent and thickness

The Copperas Creek occurs in western Illinois as a widespread, thin-bedded sheet sandstone and as a channel sandstone.

Lithology

The Copperas Creek channels appear to be part of a south-to-southeast drainage system that connects with the Anvil Rock Sandstone channels of the deeper part of the Illinois Basin.

Core(s)

Photograph(s)

Contacts

Well log characteristics

Fossils

Age and correlation

It is correlated with the Anvil Rock Sandstone of southern Illinois.

Environments of deposition

Economic importance

Remarks

References

SAVAGE, T. E., 1927, Significant breaks and overlaps in the Pennsylvanian rocks of Illinois: American Journal of Science, v. 14, p. 307-316.
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
2540
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