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Geologic Unit: Summum
Map showing publication footprint
  • Usage in publication:
    • Summum coal member
  • Modifications:
    • Named
  • 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:

Summum coal (of Wanless, 1931:IL G.S. Bull. 60) assigned member status in Carbondale formation. In southern area, occurs above Roadhouse coal member and below Hanover limestone member. In western and northern area occurs above Kerton Creek coal member and below Hanover limestone member. In eastern area, occurs above Shawneetown coal member and below Harrisburg (No. 5) coal member. About 3 in. thick.

Source: GNU records (USGS DDS-6; Reston GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Summum
  • Modifications:
    • Not used
  • AAPG geologic province:
    • Illinois basin
Publication:

Jacobson, R.J., Trask, C.B., Ault, C.H., Carr, D.D., Gray, H.H., Hasenmueller, W.A., Williams, D., and Williamson, A.D., 1985, Unifying nomenclature in the Pennsylvanian System of the Illinois basin: Illinois Academy of Science Transactions, v. 78, nos. 1-2, p. 1-11.


Summary:

Authors recommend the use of the older term Houchin Creek Coal Member throughout the Illinois basin, replacing the Summum Coal Member of the Carbondale in IL and Ruff coal bed of the Carbondale in KY.

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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