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Map showing publication footprint
  • Usage in publication:
    • Glenrock limestone bed
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Limestone
  • 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:

Pg. 84, 86, 88. Glenrock limestone bed of Elmdale shale member of Wabaunsee formation. Dark gray, dense limestone; weathers light gray or slightly buff. Thickness 1 to 2 feet in Nebraska and northeastern Kansas. Underlies Bennett shale and overlies Johnson shale, all included in Elmdale shale member. Age is Late Pennsylvanian (Missouri age). Report includes cross sections, measured sections, geologic maps, stratigraphic tables.
Named from exposures high in valley side just northwest of Glenrock, Nemaha Co., southeastern NE.

Source: US geologic names lexicon (USGS Bull. 896, p. 829); 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:
    • Glenrock limestone member
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Forest City basin
Publication:

Condra, G.E., 1935, Geologic cross-section, Forest City, Missouri to south of Du Bois, Nebraska: Nebraska Geological Survey Paper, no. 8, 23 p., Issued late in 1935. See also USGS unpub. corr. charts of Pennsylvanian and Permian rocks of KS and NE, compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, Oct. 1936


Summary:

Pg. 8. Glenrock limestone member of Red Eagle limestone formation of Council Grove group. Thickness 1 foot to 1 foot 8 inches. Occurs below Bennett shale member of Red Eagle and above Johnson shale formation of Council Grove group. Age is considered Permian (lower part of Big Blue). [See also under Howe.]

Source: US geologic names lexicon (USGS Bull. 896, p. 829, Howe entry p. 987); GNC KS-NE Pennsylvanian Corr. Chart, sheet 2, Oct. 1936.


Map showing publication footprint
  • Usage in publication:
    • Glenrock limestone member
  • Modifications:
    • Age modified
  • AAPG geologic province:
    • Forest City basin
Publication:

Moore, R.C., 1936, Stratigraphic classification of the Pennsylvanian rocks of Kansas: Kansas Geological Survey Bulletin, no. 22, 256 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 2


Summary:

Glenrock limestone member of Red Eagle limestone of Council Grove group. Transferred this unit to Permian (Big Blue series). This change in Permian-Pennsylvanian boundary has not been considered by the USGS for its publications [ca. 1938].

Source: US geologic names lexicon (USGS Bull. 896, p. 829); GNC KS-NE Pennsylvanian Corr. Chart, sheet 2, Oct. 1936.


Map showing publication footprint
  • Usage in publication:
    • Glenrock limestone member
  • Modifications:
    • Overview
Publication:

Moore, R.C., Frye, J.C., Jewett, J.M., Lee, Wallace, and O'Connor, H.G., 1951, The Kansas rock column: Kansas Geological Survey Bulletin, no. 89, 132 p.


Summary:

Pg. 48. Glenrock limestone member of Red Eagle limestone. Consists of gray and brown limestone, impure in northern part of outcrop area, purer in central and northern part; fusulines common. Thickness in northern part of Kansas 1 to 2 feet; in central Kansas as much as 19 feet. Underlies Bennett shale member; overlies Johnson shale. Age is Early Permian (Wolfcamp).

Source: US geologic names lexicon (USGS Bull. 1200, p. 1527).


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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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).