Historical:Levings Member
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 |
---|---|