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Geologic Unit: Carmi
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Map showing publication footprint
  • Usage in publication:
    • Carmi Member
  • Modifications:
    • Named
  • Dominant lithology:
    • Silt
    • Clay
  • AAPG geologic province:
    • Illinois basin
Publication:

Willman, H.B., and Frye, J.C., 1970, Pleistocene stratigraphy of Illinois: Illinois Geological Survey Bulletin, no. 94, 204 p.


Summary:

Named as member of Equality Formation for town of Carmi, White Co., southeastern IL. Consists of well-bedded glacio-lacustrine deposits of silt and clay. Thickness ranges from 1.5 to 15 m. Overlies Wadsworth Till Member of Wedron Formation; underlies South Haven or Winnetka Member of Lake Michigan Formation. Age is Pleistocene.

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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