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National Geologic Map Database
Geologic Unit: Bevier
Map showing publication footprint
  • Usage in publication:
    • Bevier Coal Member
  • Modifications:
    • Areal extent
    • Revised
  • 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:

Name extended from MO into Lucas Co, IA on the Iowa shelf where it is newly assigned as a member of the newly named Swede Hollow Formation of Cherokee Group of Des Moines Supergroup. Unnamed sandstone and shale interval between Bevier and the underlying Wheeler Coal Member of Swede Hollow is usually less than 20 ft. Varies in thickness; rarely exceeds one ft thick. Underlies unnamed brown silty mudstone of Swede Hollow, or where mudstone is absent, underlies unnamed nodular, fossiliferous, slightly argillaceous limestone. Nomenclature chart. Graphic section. Cross section. Is 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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