- Usage in publication:
-
- Cebada fine-grained member*
- Modifications:
-
- Named
- Dominant lithology:
-
- Sandstone
- AAPG geologic province:
-
- Santa Maria basin
Summary:
Named as lower member of Careaga sandstone, Santa Maria district, CA. Type region designated as north slope of Purisima Hills south of Careaga station of now abandoned Pacific Coast RR, Santa Barbara Co, CA. Consists of fine-grained, generally massive, soft sandstone; lower part is typically very fine-grained and light gray, but most of unit is light yellowish brown. Has maximum thickness of 1000 ft. Gradationally overlies Foxen mudstone. Overlaps part of the Sisquoc formation. Underlies Graciosa coarse-grained member (new) of Careaga sandstone. Age is late Pliocene based on abundant megafossils, some of which are listed in report.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
-
- Cebada fine-grained member*
- Modifications:
-
- Overview
- Biostratigraphic dating
- AAPG geologic province:
-
- Santa Maria basin
Summary:
Named for Cebada Canyon in Purisima Hills. Also referred to as Cebada member. Measured sections, detailed lithology, extensive fossil list with localities, geologic map included in report.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
-
- Cebada Member*
- Modifications:
-
- Redescribed
- AAPG geologic province:
-
- Santa Maria basin
Summary:
Cebada Fine-Grained Member of the Careaga Sandstone is redescribed as the Cebada Member of the Careaga Sandstone.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
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 ([ ]).