Usage:
Cap Rock Member of Ash Hollow Formation of Ogallala Group (NE,SD)
Geologic age:
late Tertiary (Miocene; Clarendonian NALMA)
Type section, locality, area and/or origin of name:
Type locality (=Burge type): Burge quarry, on east side of Snake River, in N/2 NW/4 SE/4 sec. 15, T. 32 N., R. 30 W., Cherry Co., central northern NE (Skinner and others, 1968).
AAPG geologic province:
Chadron arch
Salina 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 ([ ]).