Mariposa Slate (CA*)
Mariposa Formation (CA*)
Brower Creek Volcanic Member (CA*).
Named from exposures in Mariposa estate, Mariposa Co., CA (Becker, 1885).
Type area stated to be around Mariposa estate, southeast of Bagby, Mariposa Co., CA (Clark, 1964).
Sierra Nevada province
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 ([ ]).