Usage:
McLure Formation (CA)
McLure Shale (CA)
McLure Member of Monterey Formation (CA*)
McLure Member of Monterey Shale (CA*)
Subunits:
FORMATION STATUS: Polonio Sandstone Tongue.
Geologic age:
Miocene*
Type section, locality, area and/or origin of name:
Canyon crossing Tent Hills, south of Avenal Creek and bordering McClure Valley, near west line of sec. 6, T. 24 S., R. 17 E., southern Coalinga region, Fresno and Kings Cos., central CA (Henry,1930).
AAPG geologic province:
San Joaquin 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 ([ ]).