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  • Usage in publication:
    • Cummins Station shale member
  • Modifications:
    • Named
  • Dominant lithology:
    • Shale
  • AAPG geologic province:
    • Cincinnati arch
Publication:

Stockdale, P.B., 1939, Lower Mississippian rocks of the east-central interior [Indiana, Kentucky, Ohio]: Geological Society of America Special Paper, 22, 248 p.


Summary:

Cummins Station shale member of Muldraugh formation (new) named in this report. Forms basal unit of Maretburg facies of Murdraugh. Consists of slightly silty, blue-gray to olive-gray shale with thin siltstone ribs. Thickness 12 to 18 ft. Overlies Floyds Knob formation. Age is Early Mississippian.

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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