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Geologic Unit: Flannigan
Map showing publication footprint
  • Usage in publication:
    • Flannigan coal member
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Coal
  • AAPG geologic province:
    • Illinois basin
Publication:

Kosanke, R.M., Simon, J.A., Wanless, H.R., and Willman, H.B., 1960, Classification of the Pennsylvanian strata of Illinois: Illinois Geological Survey Report of Investigations, no. 214, 84 p.


Summary:

Pg. 39, 50 (table 1), pl. 1. Flannigan coal member of Bond Formation (new) of McLeansboro group. Assigned member status in Bond formation. Occurs above Mount Carmel sandstone member and below Reel limestone member. Coal named by Newton and Weller (1937, Illinois Geol. Survey Rpt. Inv., no. 45). Age is Pennsylvanian. Presentation of a new rock-stratigraphic classification of Pennsylvanian strata in Illinois.
Type locality: Flannigan Twp., in T. 6 S., R. 5 E., Hamilton Co., IL. Occurs in southeastern and eastern Illinois.

Source: US geologic names lexicon (USGS Bull. 1200, p. 1363).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).

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