Usage:
Elk Hills Member of Monterey Shale (CA*)
Elk Hills Shale Member of Monterey Formation (CA)
Geologic age:
Miocene*
Type section, locality, area and/or origin of name:
Type section (subsurface): depth-interval 1,830 to 2,890 m, well 526-30R, Elk Hills oil field, 500 m north and 300 m east of southwest corner of sec. 29, T. 30 S., R. 23 E., Kern Co., CA (Adkison, 1973).
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 ([ ]).