U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Graciosa coarse-grained member*
  • Modifications:
    • Named
    • Biostratigraphic dating
  • Dominant lithology:
    • Sandstone
    • Conglomerate
  • AAPG geologic province:
    • Santa Maria basin
Publication:

Woodring, W.P., Bramlette, M.N., and Lohman, K.E., 1943, Stratigraphy and paleontology of Santa Maria district, California: American Association of Petroleum Geologists Bulletin, v. 27, no. 10, p. 1335-1360. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Named as upper member (of 2) of Careaga sandstone. Type region [area] is same as for Careaga sandstone --on north flank of Purisima Hills, south of Careaga station of now abandoned Pacific Coast RR, Santa Barbara Co, CA. Consists of 2 parts: lower part of coarse-grained soft sandstone and conglomerate and upper part of coarse-grained soft sandstone. Thickness ranges from 25 to 425 ft. Overlies Cebada fine-grained member (new) of Careaga sandstone and in places overlies Sisquoc formation. Underlies Paso Robles formation. Age is late Pliocene based on megafauna.

Source: GNU records (USGS DDS-6; Menlo GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Graciosa coarse-grained member*
  • Modifications:
    • Overview
    • Biostratigraphic dating
  • AAPG geologic province:
    • Santa Maria basin
Publication:

Woodring, W.P., and Bramlette, M.N., 1950, Geology and paleontology of the Santa Maria district, California: U.S. Geological Survey Professional Paper, 222, 185 p., (incl. geologic map, scale 1:24,000)


Summary:

Named for Graciosa Ridge. Also referred to as Graciosa member. Measured section, detailed lithology, fossil lists, geologic map included in report.

Source: GNU records (USGS DDS-6; Menlo GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Graciosa Member*
  • Modifications:
    • Redescribed
  • AAPG geologic province:
    • Santa Maria basin
Publication:

Moore, E.J., 1992, Tertiary marine pelecypods of California and Baja California, Erycinidae through Carditidae, IN Paleontology of California and Baja California: U.S. Geological Survey Professional Paper, 1228-E, p. E1-E22.


Summary:

Graciosa Coarse-Grained Member of Careaga Sandstone is redescribed as Graciosa Member of Careaga Sandstone.

Source: GNU records (USGS DDS-6; Menlo GNULEX).


Search archives

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 ([ ]).

Accessibility FOIA Privacy Policies and Notices

USA Gov U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
Page Contact Information: Personnel
Page Last Modified: Thu 04 Apr 2024 03:41:22 PM MDT