Usage:
Ranger Mountains Member of Antelope Valley Limestone of Pogonip Group (CA*,NV*)
Geologic age:
late Early to early Middle Ordovician (late Ibexian to early Whiterockian; Arenigian; Blackhillsian to Rangerian)*
Type section, locality, area and/or origin of name:
Type locality: Ranger Mountains, [approx. Lat. 36 deg. 45 min. 30 sec. N., Long. 115 deg. 51 min. 00 sec. W., along southern edge Frenchman Lake 15-min quadrangle (Frenchman Flat quadrangle)], Clark Co., southern NV (Byers and others, 1961).
AAPG geologic province:
Great Basin province*
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 ([ ]).