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Geologic Unit: Absher
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Map showing publication footprint
  • Usage in publication:
    • Absher limestone
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • Illinois basin
Publication:

Weller, J.M., Henbest, L.G., and Dunbar, C.O., 1942, Stratigraphy of the fusuline-bearing beds of Illinois, IN Dunbar, C.O., and Henbest, L.G., Pennsylvanian Fusulinidae of Illinois: Illinois Geological Survey Bulletin, no. 67, p. 9-34., [1943]


Summary:

Pg. 17 (fig. 3), 23. Absher limestone of Carbondale group. Comparatively thin and somewhat impure bed. Overlies Harrisburg (No. 5) coal; in vicinity of Harrisburg, generally separated from coal by as much as 20 feet of shale (bed 6 of complete cyclothem). Included in St. David cyclothem. [Age is Middle Pennsylvanian (Des Moines).]
Named from village in southeastern Williamson Co., southern IL.

Source: US geologic names lexicon (USGS Bull. 1200, p. 14).


Map showing publication footprint
  • Usage in publication:
    • Absher Limestone†
  • Modifications:
    • Abandoned
  • 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. 54 (table 3). †Absher Limestone of Carbondale Group. Replaced with St. David limestone member of Carbondale formation. Report presents new rock-stratigraphic classification of Pennsylvanian strata in Illinois. Cyclical classification is retained but is entirely independent of rock-stratigraphic classification.

Source: US geologic names lexicon (USGS Bull. 1200, p. 14).


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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