Historical:Levings Member: Difference between revisions

	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
Link	Web page
PDF	PDF file
Store	ISGS Store

	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
Link	Web page
PDF	PDF file
Store	ISGS Store

Latest revision as of 17:35, 21 November 2016

Lithostratigraphy: Embayment Megagroup >>McNairy Formation >>Levings Member
Chronostratigraphy: Mesozoic Erathem >>Cretaceous System >>Gulfian Series

Authors

H. B. Willman and John C. Frye

Name Origin

The Levings Member of the McNairy Formation (Pryor and Ross, 1962, p. 19) is named for Levings, Pulaski County.

Type Section

Levings is 1.5 miles northeast of the type section along a creek southwest of U.S. Dam 53 (NW SW 18, 15S-2E).

Extent and Thickness

The Levings occurs in the middle part of the McNairy Formation, is 0-70 feet thick, and is generally present throughout the northern part of the Mississippi Embayment.

Description

The Levings Member is largely lignitic silt and clay with thin beds of lignite.

References

PRYOR, W. A., and C. A. ROSS, 1962, Geology of the Illinois parts of the Cairo, La Center, and Thebes Quadrangles: Illinois State Geological Survey Circular 332, 39 p.

ISGS Codes

Stratigraphic Code	Geo Unit Designation
1420	--