Reelsville Limestone Member

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Lithostratigraphy: Pope Megagroup >>West Baden Group >>Paint Creek Group >>Ridenhower Formation >>Reelsville 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

Name

Original description

The Reelsville Limestone Member of the Ridenhower Formation (Malott, 1919, p. 10-11).

Derivation

Named for Reelsville, Putnam County, Indiana.

Other names

History/background

Type section

Type location

The type section of the Reelsville Limestone Member is on the Eel River, just south of Reelsville, where the member is 2.5 feet thick.

Type author(s)

Type status

Reference section

Reference location

Reference author(s)

Reference status

Stratigraphic relationships

The Reelsville Limestone Member is the uppermost member of the Ridenhower Formation.

Extent and thickness

Lithology

The Reelsville is classified as a formation in Indiana. It is dominantly limestone but contains beds of shale. It is not differentiated in the type section of the Ridenhower Formation, and it has limited distribution in southeastern Illinois, mostly in subsurface. The Agassizocrinus cf. leavis Peak Zone is equivalent to the Reelsville Member.

Core(s)

Photograph(s)

Contacts

Well log characteristics

Fossils

Age and correlation

Environments of deposition

Economic importance

Remarks

References

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
4400
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