Usage:
Fort Lowell Formation (AZ*)
Geologic age:
Quaternary*
Pleistocene, early*
Pleistocene, middle*
Type section, locality, area and/or origin of name:
Type section (subsurface): Bur. Reclamation well D-13-14, 31dba, in NE/4 NW/4 SE/4 sec. 31, T. 13 S., R. 14 E., Lat. 32 deg. 15 min. 22 sec. N., Long. 110 deg. 56 min. 52 sec. W., Pima Co., AZ. Named from Fort Lowell (abandoned) near Tanque Verde Creek (Davidson, 1973).
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 ([ ]).