Usage:
Capistrano Formation (CA*)
Subunits:
(alphabetical) --all in CA: Oso Member* or Oso Sand Member, San Clemente Lens, San Mateo Member.
Geologic age:
Pliocene*
Miocene*
Type section, locality, area and/or origin of name:
Named from development around Capistrano, Orange Co., southeastern CA (Woodford, 1925).
AAPG geologic province:
Los Angeles basin*
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 ([ ]).