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 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 ([ ]).