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National Geologic Map Database

Geologic Unit: Ranger Mountains

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 ([ ]).