Kenyon Member

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Lithostratigraphy: Potsdam Sandstone Megagroup >>Mt. Simon Sandstone >>Kenyon Member
Chronostratigraphy: Paleozoic Erathem >>Cambrian System >>Croixan Series >>Dresbachian Stage
Allostratigraphy: Sauk 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)

T. C. Buschbach


Original description

The Kenyon Member of the Mt. Simon Sandstone (Templeton, 1950, p. 154).


Named for Kenyon School, De Kalb County.

Other names


Type section

Type location

The type section of the Kenyon Member of the Mt. Simon Sandstone is located 3.25 miles northwest of the school for which it is named in De Kalb County. It is the interval from 2975-3105 feet deep (sample set 1301) in the same boring as the Crane Member.

Type author(s)

Type status

Reference section

Reference location

Reference author(s)

Reference status

Stratigraphic relationships

The Kenyon Member overlies the Crane Member of the Mt. Simon Sandstone.

Extent and thickness

The Kenyon Member is 34-130 feet thick.


Where less than 80 feet thick it consists of coarse-grained sandstone containing small quartz pebbles, but elsewhere it is conglomeratic sandstone interbedded with nonconglomeratic layers.




Well log characteristics


Age and correlation

Environments of deposition

Economic importance



TEMPLETON, J. S., 1950, Mt. Simon Sandstone in northern Illinois: Illinois Academy of Science Transactions, v. 43, p. 151-159.

ISGS Codes

Stratigraphic Code Geo Unit Designation