Vermilionville Sandstone Member

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Lithostratigraphy: Kewanee Group >>Carbondale Formation >>Vermilionville 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


Original description

The Vermilionville Sandstone Member of the Carbondale Formation (Cady, 1915, p. 29).


Named for Vermilionville, La Salle County.

Other names

The Vermilionville was formerly called Cuba Sandstone in western Illinois (Savage, 1927) and Waupecan Sandstone in northeastern Illinois (Culver, 1922a).


Type section

Type location

The type locality is west of the village of Vermilionville, along the Vermilion River (SE 9, 32N-2E) (Wanless, 1956, p. 10).

Type author(s)

Type status

Reference section

Reference location

Reference author(s)

Reference status

Stratigraphic relationships

It is well developed in northern and western Illinois, where it occurs in the interval between the Herrin (No. 6) and the Springfield (No. 5) Coals. It is probably present in southern Illinois, where three sandstone units, all of which locally occur in channels, are present in this interval. One sandstone is below the Herrin Coal, another is below the Briar Hill (No. 5A) Coal, and a third is associated with the Dykersburg Shale. The Vermilionville is generally overlain by a few feet of the Big Creek Shale and is underlain by the Canton Shale.

Extent and thickness


The Vermilionville is an argillaceous to silty, fine-grained sandstone that in places occupies channels cut into the underlying strata. In such channels it is as much as 80 feet thick.




Well log characteristics


Age and correlation

Environments of deposition

Economic importance



CADY, G. H., 1915, Coal resources of District I (Longwall): Illinois State Geological Survey Mining Investigations Bulletin 10, 149 p.
CULVER, H. E., 1922a, Geology and mineral resources of the Morris Quadrangle: Illinois State Geological Survey Extract Bulletin 43B, 114 p.
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., 1956, Classification of the Pennsylvanian rocks of Illinois as of 1956: Illinois State Geological Survey Circular 217, 14 p.

ISGS Codes

Stratigraphic Code Geo Unit Designation