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Map showing publication footprint
  • Usage in publication:
    • Americus beds
  • Modifications:
    • Original reference
  • AAPG geologic province:
    • Forest City basin
Publication:

Wooster, L.C., 1905, The Carboniferous rock system of eastern Kansas: Emporia, Kansas, Rowland Printing Office, 12 p., Private publication, Emporia, KS


Summary:

Americus beds. Includes Americus limestone and shales, 35 feet thick, and Admire shales and limestones, 120 feet thick [upper part only of Admire shale]. Overlies Emporia reservoir shales [lower part of Admire shale].
Named from Americus, Lyon Co., eastern KS.

Source: US geologic names lexicon (USGS Bull. 896, p. 45).


Map showing publication footprint
  • Usage in publication:
    • Americus beds†
  • Modifications:
    • Abandoned
  • AAPG geologic province:
    • Forest City basin
Publication:

Wilmarth, M.G., 1935, [Selected Geologic Names Committee remarks (ca. 1930-1935) on Carboniferous and Permian rocks of the Midcontinent], IN Wilmarth, M.G., 1938, Lexicon of geologic names of the United States (including Alaska): U.S. Geological Survey Bulletin, 896, pts. 1-2, 2396 p., See also Wilmarth, M.G., compiler, USGS unpub. corr. charts of Missouri (Mar. 1930); Iowa (Apr. 1930); Texas (Sept. 1930); Oklahoma (Jan. 1931, Feb. 1931); Kansas and Nebraska (Oct. 1936)


Summary:

†Americus beds. Preoccupied and conflicts with original and established definitions.

Source: US geologic names lexicon (USGS Bull. 896, p. 45).


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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