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  • Usage in publication:
    • Whitebreast Coal Member
  • Modifications:
    • Named
  • Dominant lithology:
    • Coal
  • AAPG geologic province:
    • Iowa shelf
Publication:

Ravn, R.L., Swade, J.W., Howes, M.R., Gregory, J.T., Anderson, R.R., and Van Dorpe, P.E., 1984, Stratigraphy of the Cherokee Group and revision of Pennsylvanian stratigraphic nomenclature in Iowa: Iowa Geological Survey Bureau Technical Information Series, no. 12.


Summary:

Named as basal member of Swede Hollow Formation (named) of Cherokee Group of Des Moines Supergroup. Named for Whitebreast Creek. Type section is in sec 3, T72N, R22W, Lucas Co, IA on the Iowa shelf. This coal is 1.4 ft thick. Is very persistent, uniform in thickness. Present over a 14 county area on the Iowa shelf where it is consistently 1 to 1.5 ft thick. Cross section. Nomenclature chart. Overlies the newly named Floris Formation of Cherokee Group. Underlies Oakley Shale Member (named of Cherokee Group). Of Desmoinesian, Pennsylvanian age.

Source: GNU records (USGS DDS-6; Denver 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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