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National Geologic Map Database

Geologic Unit: Aztec

Usage:

Aztec Sandstone (AZ?,CA,NV*)
Aztec Quartzite (CA*)


Geologic age:

Triassic(?)*
Jurassic, Early*


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

Named from Aztec Tank, a natural depression in the sandstone several hundred ft east of Contact Mine, in which water accumulates at times of heavy rain, Goodsprings quadrangle [Lat. 35 deg. 55 min. 43 sec. N., Long. 115 deg. 28 min. 12 sec. W., Cottonwood Pass 7.5-min quadrangle, Clark Co.], southeastern NV. (Hewett, 1931).


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 ([ ]).