Arido Sandstone (AZ,CO,NM)
(Arido Sandstone appears to correspond to Wingate Sandstone. Not used by the USGS.)
Named from Arido Creek in northern part of Navajo Reservation, northeastern AZ (Keyes, 1936).
Black Mesa basin
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 ([ ]).