Momence Sandstone Member
Lithostratigraphy: Knox Dolomite Megagroup >>Eminence Formation >>Momence Sandstone Member
Chronostratigraphy: Paleozoic Erathem >>Cambrian System >>Croixan Series >>Trempealeauan 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
Name
Original description
The Momence Sandstone Member of the Eminence Formation (Buschbach, 1964, p. 41).
Derivation
Named for Momence, Kankakee County, just east of the type section.
Other names
History/background
Type section
Type location
The type section of the Momence Sandstone Member is located just west of Momence, Kankakee County, and is at a depth of 1650-1660 feet in the Hughes Oil Company No. 1 Parish boring (NW NW SW 24, 31N-13E) (sample set 997).
Type author(s)
Type status
Reference section
Reference location
Reference author(s)
Reference status
Stratigraphic relationships
Extent and thickness
The Momence Member varies from 0-15 feet thick but is somewhat discontinuous.
Lithology
The Momence Sandstone Member is the only member differentiated in the Eminence Formation and occurs at the base. It consists of light gray, dolomitic, poorly sorted sandstone, and in places contains interbedded green and gray sandy shale.
Core(s)
Photograph(s)
Contacts
Well log characteristics
Fossils
Age and correlation
Environments of deposition
Economic importance
Remarks
References
BUSCHBACH, T. C., 1964, Cambrian and Ordovician strata of northeastern Illinois: Illinois State Geological Survey Report of Investigations 218, 90 p.
ISGS Codes
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