Usage:
Mount Baldy Formation (AZ)
Geologic age:
Tertiary
Miocene, late
Type section, locality, area and/or origin of name:
Along ridge between East Fork of Little Colorado River and West Fork of Black River, in White Mountains, Apache Co., AZ. Named from Mount Baldy, which includes Baldy Peak, highest peak of White Mountains (Merrill and Pewe, 1977).
AAPG geologic province:
Black Mesa basin
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 ([ ]).