Usage:
/Brushy Canyon Formation of [†]Mariposa Group (CA)
/Brushy Canyon Member of Mariposa Formation (CA)
(†Brushy Canyon and †Mariposa Group not used by the USGS.)
[Conflicts with several articles in nomenclature guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). †Mariposa Group of Taliaferro (1933) considered an invalid name.]
Geologic age:
Late Jurassic
Type section, locality, area and/or origin of name:
Type locality and origin of name not stated by author. Brushy Canyon is in Mariposa Co., CA (Bowen, 1963).
AAPG geologic province:
Sierra Nevada 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 ([ ]).