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National Geologic Map Database

Geologic Unit: Antelope Valley

Usage:

Antelope Valley Limestone of Pogonip Group (CA*,NV*)


Subunits:

(alphabetical): Aysees Member (NV*), Paiute Ridge Member (CA,NV*), Ranger Mountains Member (CA*,NV*).


Geologic age:

Ordovician*


Type section, locality, area and/or origin of name:

Named from occurrence in Antelope Valley region, Eureka and Nye Cos., central NV. Well exposed on [Martin Ridge], a linear northward-trending ridge that separates Copenhagen Canyon from Antelope Valley and is about [35 mi] southwest of Eureka, [in T. 15 N., R. 49 E., Lat. 39 deg. 10 min. 02 sec. N., Long. 116 deg. 23 min. 18 sec. W., Horse Heaven Mountain 15-min quadrangle], central NV (Nolan and others, 1956).


AAPG geologic province:

Great Basin province*


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 ([ ]).