Usage:
Gering Formation of Arikaree Group (NE*)
Gering Sandstone of Arikaree Group (NE*)
Subunits:
(alphabetical) --all in NE: Helvas Canyon Member, Mitchell Pass Member.
Geologic age:
early Tertiary (late Oligocene)*
Type section, locality, area and/or origin of name:
Notable exposures southwest of Gering, Scotts Bluff Co., western NE (Darton, 1899).
AAPG geologic province:
Denver basin*
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 ([ ]).