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Map showing publication footprint
  • Usage in publication:
    • Jim Creek limestone member
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • Nemaha anticline

Map showing publication footprint
  • Usage in publication:
    • Jim Creek limestone member
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Forest City basin
    • Nemaha anticline
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:

(Late in 1935.) Pg. 9-10. Jim Creek limestone member of Pony Creek shale formation of Wabaunsee group. Gave following downward sequence of members of his Pony Creek shale formation: Shale, 5.5 feet; Greyhorse [Grayhorse] limestone, 1 foot; Caneyville shale, 17 feet; Nebraska City limestone 2+/- feet; French Creek shale, 16 feet; Jim Creek limestone, 6 inches to 1 foot; and [/]Friedrich-Dry shale, 17+/- feet. Latter shown as overlying Dover limestone formation, which rested on Table Creek shale, top member of McKissick shale formation. Age is Late Pennsylvanian (Virgil).
[The use of a hyphen between undifferentiated [members] is not considered proper notation (CSN, 1933).]

Source: US geologic names lexicon (USGS Bull. 896, p. 1046); GNC KS-NE Pennsylvanian Corr. Chart, sheet 2, Oct. 1936.


Map showing publication footprint
  • Usage in publication:
    • Jim Creek limestone member*
  • Modifications:
    • Revised
Publication:

Moore, R.C., and Mudge, M.R., 1956, Reclassification of some Lower Permian and Upper Pennsylvanian strata in northern Midcontinent, IN Geological notes: American Association of Petroleum Geologists Bulletin, v. 40, no. 9, p. 2271-2278. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Pg. 2274 (fig. 1), 2275. Jim Creek limestone member of Root shale. Rank reduced to member status in Root shale (new). Underlies French Creek shale member; overlies Friedrich shale member. Age is Late Pennsylvanian (Virgilian).
[Misprint (USGS Bull. 1200, p. 1925): lists Jim Creek Shale Member; should be Jim Creek Limestone Member.]

Source: US geologic names lexicon (USGS Bull. 1200, p. 1925).


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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 ([ ]).