Usage:
Alamos Canyon Siltstone Member of Peace Valley Formation of Ridge Basin Group (CA)
Geologic age:
Tertiary
Miocene, late
Type section, locality, area and/or origin of name:
Type section: along west side of Pyramid Lake from north of the tuff horizon to the Piru Creek arm of Pyramid Lake along the west side of Canada de los Alamos, Los Angeles Co., CA. Named from Canada de los Alamos (Link, 1982).
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 ([ ]).