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National Geologic Map Database
Geologic Unit: Feldt Ranch
Map showing publication footprint
  • Usage in publication:
    • Feldt Ranch beds
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Sand
    • Gravel
    • Grit
    • Limestone
  • AAPG geologic province:
    • Chadron arch
Publication:

Elias, M.K., 1942, Tertiary prairie grasses and other herbs from the High Plains: Geological Society of America Special Paper, 41, 176 p., See also GSA Bull., v. 51, no. 12, pt. 2, p. 1969, 1940 [abs.], and Amer. Jour. Botany, v. 28, no. 10, suppl. p. 8s, 1941 [abs.] (available online, with subscription, from JSTOR www.jstor.org)


Summary:

Pg. 141. Feldt Ranch beds of Ash Hollow formation of Ogallala group. Name applied to 15 feet of beds of loose cross-bedded sand and gravel, cemented grit, and porous limestone that occur in lower part of Ash Hollow formation in type section of the Ogallala. Age is Pliocene.
Type locality: on north side of South Platte Valley, 2 to 2.5 mi east and northeast of Ogallala, [in SW/4 NE/4 sec. 33, T. 14 N., R. 38 W.], Keith Co., southwestern NE. (Also type locality of Ogallala.)
[Additional locality information from C.B. Schultz and T.M. Stout, 1941, Guide for field conference on Tertiary and Pleistocene of Nebraska: Univ. Nebraska State Mus. Spec. Pub., p. 13-14 (prepared for 1st field conf. Soc. Vert. Paleo., Aug. 29-30, Aug. 31-Sept. 3, 1941); available online from digitalcommons.unl.edu.]

Source: US geologic names lexicon (USGS Bull. 1200, p. 1334).


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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