Usage:
Pyramid Hill Member of Jewett Sand (CA*)
Geologic age:
Tertiary
Miocene, early*
Type section, locality, area and/or origin of name:
Type section (subsurface): 185 ft cored interval, depth-interval 1,690 to 1,875 ft, Shell Oil Jewett No. 1 well, southern Round Mountain oil field, in sec. 29, T. 28 S., R. 29 E., Kern Co., CA (Addicott, 1970).
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 ([ ]).