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  • Usage in publication:
    • Chico Martinez chert member
  • Modifications:
    • Original reference
  • Dominant lithology:
    • [Chert]
  • AAPG geologic province:
    • San Joaquin basin
Publication:

McMichael, L.B. (chairman), 1959, Chico Martinez Creek area, California: Field trip 1959: San Joaquin Geological Society Field Trip Guidebook, May 9, 1959, __ p.


Summary:

Road log, topographic profile, chart, map. Chico Martinez chert member of Monterey formation. Overlies Antelope shale member; underlies Chico Martinez (Belridge) diatomite. Thickness about 700 feet. McDonald shale, Antelope shale, and Chico Martinez chert members are equivalent to McLure shale member of Monterey. Age is Miocene (Mohnian-Delmontian).
[Type locality not stated.] Occurs along Chico Martinez Creek, Kern Co., south-central CA.

Source: US geologic names lexicon (USGS Bull. 1200, p. 766).


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 ([ ]).

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