Historical:Curlew 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: Kewanee Group >>Spoon Formation >>Curlew Limestone Member
Chronostratigraphy: Paleozoic Erathem >>Pennsylvanian Subsystem >>Desmoinesian Series
Allostratigraphy: Absaroka Sequence

Authors

M. E. Hopkins and J. A. Simon

Name Origin

The Curlew Limestone Member of the Spoon Formation (Owen, 1856, No. 1 vertical section) is named for Curlew, Union County, Kentucky.

Type Section

The type locality is an exposure on Indian Hill, Curlew, Kentucky (Glenn, 1912, p. 24).

Correlation

The Curlew is correlated with the Seville Limestone.

Extent and Thickness

It is widespread, though sporadic, in southern Illinois and western Kentucky, and is seldom more than 4 feet thick.

Description

The Curlew is a gray, fine-grained, locally cherty limestone.

Fossils

It contains an abundant open-marine fauna.

References

GLENN, L. C., 1912, A geological reconnaissance of the Tradewater River region, with special reference to the coal beds: Kentucky Geological Survey Bulletin 17, 75 p.
OWEN, D. D., 1856, Report of the geological survey in Kentucky made during the years 1854 and 1855: Kentucky Geological Survey Bulletin, v. I, Series 1, 416 p.

ISGS Codes

Stratigraphic Code Geo Unit Designation
3480
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