Historical:Hegeler Till 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: Banner Formation >>Hegeler Till Member
Chronostratigraphy: Cenozoic Erathem >>Quaternary System >>Pleistocene Series

Authors

John C. Frye and H. B. Willman

Name Origin

The Hegeler Till Member of the Banner Formation (Johnson, 1971, p. 8) is named for the town of Hegeler, Vermilion County.

Type Section

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.

Stratigraphic Position

It is known in only the one locality, where it rests on rocks of Pennsylvanian age and is overlain by the Belgium Member.

Description

The unit consists of two zones; the lower is outwash with gravelly till and the upper is silty till.

References

JOHNSON, W. H., 1971, Old glacial drift near Danville, Illinois: Illinois State Geological Survey Circular 457, 16 p.

ISGS Codes

Stratigraphic Code Geo Unit Designation
1120
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