Usage:
Bathtub Formation (AZ*)
Geologic age:
Early Cretaceous*
Type section, locality, area and/or origin of name:
Type area: in and on southeast flank of unnamed valley tributary to Temporal Gulch, immediately southeast of ranch in Temporal Gulch, in sec. 23, T. 21 S., R. 15 E., Mount Wrightson quadrangle, Santa Cruz, Co., AZ (Drewes, 1968).
AAPG geologic province:
Basin-and-Range 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 ([ ]).