Hillery Till Member
Lithostratigraphy: Banner Formation >>Hillery Till Member
Chronostratigraphy: Cenozoic Erathem >>Quaternary System >>Pleistocene Series
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)
John C. Frye and H. B. Willman
Name
Original description
Hillery Till Member, Banner Formation (Johnson et al., 1971, p. 195).
Derivation
Named for Hillery, Vermilion County.
Other names
History/background
Type section
Type location
Its type locality is in the Power Plant Section (NW SW SW 21, 20N-12W).
Type author(s)
Type status
Reference section
Reference location
Reference author(s)
Reference status
Stratigraphic relationships
In the Harmattan Strip Mine Section it overlies the Harmattan Till Member and is overlain by the Tilton Till Member.
Extent and thickness
The member is 14 feet thick in the Harmattan Strip Mine Section. It is best known in the Danville area, where it generally rests directly on the bedrock.
Lithology
The Hillery Till Member is reddish brown, calcareous, massive, hard till. The lower part is slightly darker, and the upper commonly contains streaks of silt.
Core(s)
Photograph(s)
Contacts
Well log characteristics
Fossils
Age and correlation
Environments of deposition
Economic importance
Remarks
References
JOHNSON, W. H., D. L. GROSS, and S. R. MORAN, 1971, Till stratigraphy of the Danville region, east-central Illinois, in Till, A Symposium: Ohio State University Press, Columbus, p. 184-216; Illinois State Geological Survey Reprint 1972-I.
ISGS Codes
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