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Geologic Unit: Sugar Creek
Map showing publication footprint
  • Usage in publication:
    • Sugar Creek sandstone lentil
  • Modifications:
    • First used
  • Dominant lithology:
    • Sandstone
  • AAPG geologic province:
    • Illinois basin
Publication:

Nelson, W.J., Devera, J.A., and Jacobson, R.J., 1991, Stratigraphy of the bedrock [includes abstract and introduction], IN Nelson, W.J., and others, Geology of the Eddyville, Stonefort, and Creal Springs quadrangles, southern Illinois: Illinois Geological Survey Bulletin, no. 96, p. 1-43, (incl. geologic maps, scale 1:24,000), Accompanied by the Creal Springs (IGQ-4), Eddyville (IGQ-5), and Stonefort (IGQ-6) Illinois Geol. Survey Geol. Quad. Ser. maps, scale 1:24,000. Available online.


Summary:

A light gray, fine-grained, and thickly bedded sandstone that crops out about 70 ft above the base of the Abbott Formation along Ozark Creek in the Creal Springs quad is here informally named the Sugar Creek sandstone lentil of the lower Abbott Formation. Lentil is also exposed in ledges and railroad cuts along Sugar Creek in SW1/4 1/4NESW1/4, sec. 17, T11S, R4E. Directly underlies the Tunnel Hill Coal Bed (new name).

Source: GNU records (USGS DDS-6; Reston GNULEX).


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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