Usage:
Lower Lake Formation (CA*)
Geologic age:
Quaternary
Pleistocene*
Type section, locality, area and/or origin of name:
Type section: along west side of Highway 53, in town of Lower Lake, W/2 SW/4 SW/4 sec. 2, T. 12 N., R. 7 W., Lower Lake 7.5-min quadrangle, Lake Co., CA (Rymer, 1981).
AAPG geologic province:
California Coast Ranges 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 ([ ]).