Beaver Bend Limestone Member

Revision as of 20:55, 17 January 2017 by Jennifer.Obrad (talk | contribs)

(diff) ← Older revision | Approved revision (diff) | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

Lithostratigraphy: Pope Megagroup >>West Baden Group >>Paint Creek Group >>Ridenhower Formation >>Beaver Bend Limestone Member
Chronostratigraphy: Paleozoic Erathem >>Mississippian Subsystem >>Chesterian Series >>Gasperian Stage
Allostratigraphy: Kaskaskia Sequence

Primary source

Willman, H. B., Elwood Atherton, T. C. Buschbach, Charles Collinson, John C. Frye, M. E. Hopkins, Jerry A. Lineback, and Jack A. Simon, 1975, Handbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p.

Contributing author(s)

Elwood Atherton, Charles Collinson, and Jerry A. Lineback


Original description

The Beaver Bend Limestone Member of the Ridenhower Formation (Malott, 1919, p. 9-10).


Named for a prominent bend in Beaver Creek, Lawrence County, Indiana.

Other names


Type section

Type location

The type section of the Beaver Bend Limestone Member is a railroad cut half a mile east of Huron.

Type author(s)

Type status

Reference section

Reference location

Reference author(s)

Reference status

Stratigraphic relationships

The Beaver Bend Limestone Member is the lowermost member of the Ridenhower Formation.

Extent and thickness


The Beaver Bend is classified as a formation in Indiana. It consists of limestone and shale, and in southeastern Illinois it can be differentiated from the Reelsville Member only locally, where the intervening Sample Sandstone is present.




Well log characteristics


Age and correlation

Environments of deposition

Economic importance



MALOTT, C. A., 1919, "American Bottoms" region of eastern Greene County, Indiana-a type unit in southern Indiana physiography: Indiana University Studies, v. 6, 61 p.

ISGS Codes

Stratigraphic Code Geo Unit Designation