Historical:Scottsburg Limestone 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: Pope Megagroup >>Menard Limestone >>Scottsburg Limestone Member
Chronostratigraphy: Paleozoic Erathem >>Mississippian Subsystem >>Chesterian Series >>Elviran Stage
Allostratigraphy: Kaskaskia Sequence

Authors

Elwood Atherton, Charles Collinson, and Jerry A. Lineback

Name Origin

The Scottsburg Limestone Member of the Menard Formation (Swann, 1963, p. 38-39) is named for Scottsburg, Caldwell County, Kentucky.

Type Section

The type section of the Scottsburg Limestone Member is located 3 miles northeast of Scottsburg, Caldwell County, Kentucky in Walche's cut on the Illinois Central Railroad.

Other Names

The Scottsburg Limestone Member has commonly been referred to as the "Massive Menard."

Extent and Thickness

The member is 30-40 feet thick in the far south, but it thins northward to about 5 feet.

Description

Much of the limestone is dense and fine grained to lithographic. Some beds are dolomitic.

References

SWANN, D. H., 1963, Classification of Genevievian and Chesterian (Late Mississippian) rocks of Illinois: Illinois State Geological Survey Report of Investigations 216, 91 p.

ISGS Codes

Stratigraphic Code Geo Unit Designation
4190
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