Historical:Kiser Creek 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: Embayment Megagroup >>Baylis Formation >>Kiser Creek Member
Chronostratigraphy: Mesozoic Erathem >>Cretaceous System >>Gulfian Series


H. B. Willman and John C. Frye

Name Origin

The Kiser Creek Member of the Baylis Formation (Frye et al., 1964, p. 4, 10), the upper member, is named for the East Branch of Kiser Creek, a tributary of which exposes the type section.

Type Section

The type section for the Kiser Creek Member is the same as that of the Baylis Formation, an exposure and small pit along a branch of Kiser Creek (NW SW SE 31, 4S-4W).


The member constitutes the greater part of the formation and is dominantly sand and clayey sand, as described for the formation. The sands and clays of the Kiser Creek Member differ from glacial sands in their uniformity, lack of carbonates, distinctive clay mineral assemblages, and the absence of the variety of heavy minerals that characterizes the glacial deposits.


FRYE, J. C., H. B. WILLMAN, and H. D. GLASS, 1964, Cretaceous deposits and the Illinoian glacial boundary in western Illinois: Illinois State Geological Survey Circular 364, 28 p.

ISGS Codes

Stratigraphic Code Geo Unit Designation