Usage:
Antoine Canyon Formation (CA*)
Geologic age:
Paleozoic (Ordovician?* to Devonian?)*
Type section, locality, area and/or origin of name:
Type locality: in Antoine Canyon [in sec. 13, T. 15 N., R. 12 E., Duncan Peak 7.5-min quadrangle], Placer Co., CA (Harwood and others, 1995).
Reference localities: in Manilia Canyon and Screwauger Canyon (in sec. 18, T. 15 N., R. 13 E.).
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 ([ ]).