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National Geologic Map Database

Geologic Unit: Gering

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 usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).