Usage:
Merritt Dam Member of Ash Hollow Formation of Ogallala Group (NE)
Geologic age:
late Tertiary (Miocene)
Type section, locality, area and/or origin of name:
Type section: outcrop above Burge quarry on east side of Snake River Canyon, in NW/4 NE/4 NE/4 SE/4 sec. 15, T. 32 N., R. 30 W., [approx. Lat. 42 deg. 45 min. N., Long. 100 deg. 48 min. 52 sec. W., bdry. btw. Snake River Falls and Kilgore SE 7.5-min quadrangles], Cherry Co., central northern NE. Named from Merritt Reservoir Dam, 9 mi south-southwest of type section (Skinner and Johnson, 1984; = section published by Johnson, 1936, Amer. Jour. Sci., v. 31, fig. 2).
Reference section (upper part of member): on northside of Merritt Reservoir, in NW/4 sec. 29, T. 31 N., R. 30 W., [southwest corner Snake River Falls 7.5-min quadrangle], Cherry Co., central northern NE (Skinner and Johnson, 1984).
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 ([ ]).