Popcorn Sandstone Member
Lithostratigraphy: Pope Megagroup >>Cedar Bluff Limestone Group >>Renault Limestone >>Popcorn Sandstone Member
Chronostratigraphy: Paleozoic Erathem >>Mississippian Subsystem >>Valmeyeran Series
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 Popcorn Sandstone Bed in the base of the Shetlerville Member of the Renault Limestone (Swann, 1963, p. 32).
Derivation
Named for Popcorn Spring, 700 feet north of Popcorn Church in Lawrence County, Indiana (SE SE SW 5, 6N-2W), where it forms the base of the Paoli Formation.
Other names
History/background
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Stratigraphic relationships
Extent and thickness
It occurs in Hardin County, but it is not widely recognized in Illinois.
Lithology
The Popcorn is a bed of sandstone, shale, or impure limestone a few inches or a few feet thick.
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Remarks
References
SWANN, D. H., 1963, Classification of Genevievian and Chesterian (Late Mississippian) rocks of Illinois: Illinois State Geological Survey Report of Investigations 216, 91 p.
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