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Geologic Unit: Lecompton
Map showing publication footprint
  • Usage in publication:
    • Lecompton limestone member
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Forest City basin
Publication:

Condra, G.E., 1927, The stratigraphy of the Pennsylvanian system in Nebraska: Nebraska Geological Survey Bulletin, 2nd series, no. 1, 291 p., See also "Modern classifications of the Pennsylvanian rocks of eastern Kansas and southeastern Nebraska," compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, USGS unpub. corr. chart, Oct. 1936, sheet 1


Summary:

Lecompton limestone member of Shawnee formation. Includes (ascending) Spring Branch limestone, Doniphan shale, Big Springs limestone, Queen Hill shale, Cullom limestone, King Hill shale, and Avoca limestone beds. Thickness 23+ feet. Age is Pennsylvanian (Missouri age). Report includes cross sections, measured sections, geologic maps, stratigraphic tables.

Source: GNC KS-NE Pennsylvanian Corr. Chart, sheet 1, Oct. 1936; supplemental information from GNU records (USGS DDS-6; Denver GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Lecompton limestone member
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Nemaha anticline
Publication:

Condra, G.E., 1930, Correlation of the Pennsylvanian beds in the Platte and Jones Point sections of Nebraska: Nebraska Geological Survey Bulletin, 2nd series, no. 3, 57 p., See also "Modern classifications of the Pennsylvanian rocks of eastern Kansas and southeastern Nebraska," compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, USGS unpub. corr. chart, Oct. 1936, sheet 1


Summary:

Lecompton limestone member of Shawnee group. Includes the following beds (descending): Avoca limestone, 2.5 to 3 feet; King Hill shale, about 8 feet; Beil limestone, about 5 feet; Queen Hill shale, 6 feet; and Big Springs limestone. [Doniphan and Spring Branch not explained.] Age is Pennsylvanian.

Source: GNC KS-NE Pennsylvanian Corr. Chart, sheet 1, Oct. 1936.


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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