Historical:Kenyon Member

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Handbook of Illinois Stratigraphy
Series Bulletin 95
Author H. B. Willman, Elwood Atherton, T. C. Buschbach, Charles Collinson, John C. Frye, M. E. Hopkins, Jerry A. Lineback, Jack A. Simon
Date 1975
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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


T. C. Buschbach

Name Origin

The Kenyon Member of the Mt. Simon Sandstone (Templeton, 1950, p. 154), which overlies the Crane Member, is named for Kenyon School, De Kalb County.

Type Section

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.

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.


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