Difference between revisions of "Popcorn Sandstone Member"
Latest revision as of 22:19, 17 January 2017
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.
Elwood Atherton, Charles Collinson, and Jerry A. Lineback
The Popcorn Sandstone Bed in the base of the Shetlerville Member of the Renault Limestone (Swann, 1963, p. 32).
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.
Extent and thickness
It occurs in Hardin County, but it is not widely recognized in Illinois.
The Popcorn is a bed of sandstone, shale, or impure limestone a few inches or a few feet thick.
Well log characteristics
Age and correlation
Environments of deposition
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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