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Geologic Unit: Krider
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Map showing publication footprint
  • Usage in publication:
    • Krider limestone member
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Limestone
    • Shale
  • AAPG geologic province:
    • Nemaha anticline
    • Chautauqua platform
Publication:

Condra, G.E., and Upp, J.E., 1931, Correlation of the Big Blue series in Nebraska: Nebraska Geological Survey Bulletin, 2nd series, no. 6, 74 p., See also "Modern classifications of the Permian rocks of Kansas and Nebraska," compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, USGS unpub. corr. chart, Oct. 1936, 1 sheet


Summary:

Pg. 60. Krider limestone. Middle member of Enterprise [shale] of Sumner group. Consists of (descending): (1) light-gray to buff limestone, 1 to 1.5 feet thick; (2) olive-drab to gray calcareous massive shale weathering buff, with usually a thin calcareous concretion near middle, 2.5 feet; (3) light-gray to buff massive limestone weathering buff, 1.5 feet. Thickness 4.5 to 6 feet from Nebraska to southern Kansas and Oklahoma. Underlies Paddock shale member and overlies Odell shale member. Fossils (DERBYA, COMPOSITA, AVICULOPECTEN, MYALINA, etc.). Age is Permian (Big Blue).
Type locality: exposures in road cut 0.25 mi south of Krider, in southwestern Gage Co., southwestern NE. Named from town of Krider.

Source: US geologic names lexicon (USGS Bull. 896, p. 1122); GNC KS-NE Permian Corr. Chart, Oct. 1936; supplemental information from GNU records (USGS DDS-6; Denver GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Krider limestone
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Nemaha anticline
    • Chautauqua platform
Publication:

Moore, R.C., 1936, Pennsylvanian and lower "Permian" rocks of the Kansas-Missouri region: Kansas Geological Society Guidebook for the Annual Field Conference, no. 10, p. 7-73., 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. 12. Krider limestone member of Nolans limestone of Sumner group. Discarded Enterprise and treated Krider limestone as basal member of his Nolans limestone (new).
[GNC remark (ca. 1938, US geologic names lexicon, USGS Bull. 896, p. 1586): Krider limestone of Sumner group. Recognized in eastern Kansas and southeastern Nebraska. Age is Permian.]

Source: US geologic names lexicon (USGS Bull. 896, p. 1122); GNC KS-NE Permian Corr. Chart, Oct. 1936.


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

Moore, R.C., Frye, J.C., and Jewett, J.M., 1944, Tabular description of outcropping rocks in Kansas: Kansas Geological Survey Bulletin, no. 52, pt. 4, p. 137-212.


Summary:

Pg. 163; R. C Moore and others, 1951, Kansas Geol. Survey Bull. 89, p. 41. Krider limestone member of Nolans limestone. Commonly two beds of limestone separated by bed of shale, each about 1 foot thick; in southern Kansas, the separating shale is somewhat thicker. Underlies Paddock sbale member; overlies Odell shale. Age is Permian (Wolfcampian).

Source: US geologic names lexicon (USGS Bull. 1200, p. 2058).


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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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).

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