Usage:
Pokerville Member of Logtown Ridge Formation (CA*)
Geologic age:
Jurassic, Late*
Jurassic, Middle(?)*
Type section, locality, area and/or origin of name:
Exposures on southern bank of Cosumnes River, in secs. 14 and 15, T. 8 N., R. 10 E., Amador Co., CA. Named from former name [Pokerville] of town of Plymouth, CA (Duffield and Sharp, 1975).
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 ([ ]).