Seelyville Coal Member
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.
M. E. Hopkins and J. A. Simon
The Seelyville Coal Member of the Spoon Formation (Kosanke et al., 1960, p. 33; incorrectly spelled "Seeleyville").
Named for Seelyville, Vigo County, Indiana.
It was originally named Indiana Coal III (Ashley, 1899, p. 106-107) but informally called Seelyville in Indiana. In Indiana it is now called Seelyville Coal Member (III).
The type locality is in mines in Seelyville (12N-7 and 8W).
Extent and thickness
In Illinois the Seelyville is known primarily in Edgar, Clark, and Crawford Counties, where it as much as 6 feet thick. It occurs locally in southern Illinois between the De Koven and Colchester Coals.
Well log characteristics
Age and correlation
Environments of deposition
ASHLEY, G. H., 1899, Coal deposits of Indiana: Indiana Department of Geology and Natural Resources, 23rd Annual Report, 1898, p. 1-1573.
KOSANKE, R. M., J. A. SIMON, H. R. WANLESS, and H. B. WILLMAN, 1960, Classification of the Pennsylvanian strata of Illinois: Illinois State Geological Survey Report of Investigations 214, 84 p.
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