Usage:
No current usage.
(†Minnechaduza Beds of Ash Hollow Formation of Ogallala Group (NE) considered abandoned. Minnechaduza is regarded as a vertebrate fauna in the Cap Rock Member of Ash Hollow Formation. See Cap Rock and Ash Hollow.)
Geologic age:
late Tertiary (Miocene; Clarendonian NALMA)
Type section, locality, area and/or origin of name:
Stirton (1939) designated type locality for Minnechaduza Fauna on divide between Little Beaver and Crooked Creeks, in SW/4 SW/4 sec. 8, T. 34 N., R. 26 W., north pasture Niobrara Game Refuge, Cherry Co., central northern NE. Named from Minnechaduza Creek (Elias, 1942; US geologic names lexicon, USGS Bull. 1200).
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 ([ ]).