Usage:
Feldt Ranch Beds of Ash Hollow Formation of Ogallala Group (NE)
Geologic age:
late Tertiary (Miocene)
Type section, locality, area and/or origin of name:
Type locality (= type locality of Ogallala): 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 (Elias, 1942; p. 13-14).
AAPG geologic province:
Chadron arch
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 ([ ]).