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Geologic Unit: Funks
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Map showing publication footprint
  • Usage in publication:
    • Funks formation
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • Sacramento basin
Publication:

Kirby, J.M., 1942, Upper Cretaceous stratigraphy of the west side of Sacramento Valley south of Willows, Glenn County, California [abs.]: American Association of Petroleum Geologists Bulletin, v. 26, no. 5, p. 899., See also AAPG Bull., v. 25, no. 11, p. 2095, 1941 [abs.], Oil Weekly, v. 103, no. 7, p. 57-58, 1941, and AAPG Bull., v. 27, no. 3, p. 279-305, 1943 [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Funks formation. Listed as underlying Guinda formation and overlying Sites formation (both new). [Age is Late Cretaceous (Chico).]

Source: US geologic names lexicon (USGS Bull. 1200, p. 1443).


Map showing publication footprint
  • Usage in publication:
    • Funks formation
  • Modifications:
    • Principal reference
  • Dominant lithology:
    • Shale
    • Siltstone
  • AAPG geologic province:
    • Sacramento basin
Publication:

Kirby, J.M., 1943, Upper Cretaceous stratigraphy of the west side of Sacramento Valley south of Willows, Glenn County, California: American Association of Petroleum Geologists Bulletin, v. 27, no. 3, p. 279-305., See also AAPG Bull., v. 25, no. 11, p. 2095, 1941 [abs.], Oil Weekly, v. 103, no. 7, p. 57-58, 1941, AAPG Bull., v. 26, no. 5, p. 899, 1942 [abs.], and California Div. Mines Bull., no. 118, p. 601-605, 1943 [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Pg. 282, 284, 291, 293. Funks formation. Described as consisting mainly of greenish clay shale and siltstone. Thicknes 620 to 2,500 feet. Typical exposures noted.
Typical exposures in vicinity of Stone Corral Creek, in W/2 sec. 27, T. 17 N., R. 4 W., and along Funks Creek, in W/2 sec. 10, T. 17 N., R. 4 W., Colusa Co., northern CA.

Source: US geologic names lexicon (USGS Bull. 1200, p. 1443).


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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