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Map showing publication footprint
  • Usage in publication:
    • Alferitz formation
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Siltstone
  • AAPG geologic province:
    • San Joaquin basin
Publication:

Van Couvering, Martin, and Allen, H.B., 1943, Devils Den oil field [California], IN Jenkins, O.P., and others, Geologic formations and economic development of the oil and gas fields of California; in four parts, including outline geologic map showing oil and gas fields and drilled areas: California Division of Mines Bulletin, no. 118, pt. 3, p. 496-501.


Summary:

Pg. 496-500. Alferitz formation. Whitish to yellowish siltstone containing orange concretionary layers and occasional thin poorly sorted sands. Maximum thickness 700 feet. Unconformably underlies McLure shale; overlies Escudo sandstone (new). Age is middle Miocene (Luisian).
[Type lcoality not stated. Occurs in Devils Den oil field district, northwestern Kern Co., adjacent to Kings Co. line, about 40 mi east of Paso Robles and about 60 mi northwest of Bakersfield, central CA.]

Source: US geologic names lexicon (USGS Bull. 1200, p. 49).


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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