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Geologic Unit: Wymore
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Map showing publication footprint
  • Usage in publication:
    • Wymore shale member
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Shale
    • Mudstone
  • AAPG geologic province:
    • Nemaha anticline
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. 37. Wymore shale. Basal member of Matfield formation of Chase group. Consists of olive to gray shale, some mudstone, and a zone of red shale near middle. Thickness about 20 feet or more in Nebraska and northern Kansas, but only about 9 feet in vicinity of Burden, Kansas. Underlies Kinney limestone and overlies Wreford limestone. Age is Permian (Big Blue).
Type locality: ravines on west side of creek, 2.5 mi east of south side of Wymore, southern Gage Co., southeastern NE, in E/2 sec. 27, T. 2 N., R. 4 E., about 0.25 mi north of where highway crosses Burlington and Union Pacific RRs. Named from town of Wymore.

Source: US geologic names lexicon (USGS Bull. 896, p. 2377); GNC KS-NE Permian Corr. Chart, 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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