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Geologic Unit: Allenby
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Map showing publication footprint
  • Usage in publication:
    • Allenby coal member
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Coal
  • 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. 35, 48 (table 1), pl. 1. Allenby coal member of Carbondale formation of Kewanee group (new). Proposed for coal formerly called Bankston so that name may be restricted to Bankston Fork limestone. Recognized in southeastern Illinois. Occurs above Bankston Fork limestone member and below Galum limestone member. Report presents new rock-stratigraphic classification of Pennsylvanian of Illinois. Cyclical classification retained but is entirely independent of rock-stratigraphic classification.
Type locality: in roadside east of railroad crossing in NE/4 NW/4 sec. 24, T. 9 S., R. 4 E., Williamson Co., southeastern IL. Named from village of Allenby, Saline Co., 0.5 mi southwest of type outcrop.

Source: US geologic names lexicon (USGS Bull. 1200, p. 56); supplemental information from GNU records (USGS DDS-6; Reston GNULEX).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

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