Historical:Hegeler Till Member
John C. Frye and H. B. Willman
The Hegeler Till Member of the Banner Formation (Johnson, 1971, p. 8) is named for the town of Hegeler, Vermilion County.
The type section is in the Harmattan Strip Mine No. 2 (SE SW SW 34, 20N-12W).
Extent and Thickness
It is up to 8 feet thick, greenish gray, weakly calcareous, generally massive, and compact.
It is known in only the one locality, where it rests on rocks of Pennsylvanian age and is overlain by the Belgium Member.
The unit consists of two zones; the lower is outwash with gravelly till and the upper is silty till.
JOHNSON, W. H., 1971, Old glacial drift near Danville, Illinois: Illinois State Geological Survey Circular 457, 16 p.
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