| State | California |
|---|---|
| Name | Oligocene marine rocks |
| Geologic age | Eocene to Miocene |
| Lithologic constituents |
Major
Sedimentary > Clastic > Mudstone (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Clastic > Siltstone (Bed)
|
| Stratigraphic units | Alegria Fm., Church Creek Beds, Gaviota Fm., Kirker Fm., "San Emigdio Fm.", San Lorenzo Fm., San Ramon Fm., Tumey Fm. |
| References | Jennings, C.W., Strand, R.G., Rogers, T.H., Boylan, R.T., Moar, R.R., and Switzer, R.A., 1977, Geologic Map of California: California Division of Mines and Geology, Geologic Data Map 2, scale 1:750,000.Jennings, C.W., 1985, An explanatory text to accompany the 1:750,000 scale fault and geologic maps of California: California Division of Mines and Geology, Bulletin 201, 197 p.Smith, A.R., 1965, Geologic map of California, Olaf P. Jenkins edition, Bakersfield sheet, scale 1:250,000.Jennings, C.W., and Strand, R.G., 1969, Geologic map of California, Olaf P. Jenkins edition, Los Angeles sheet, scale 1:250,000.Jennings, C.W., and Burnett, J.L., 1961, Geologic map of California, Olaf P. Jenkins edition, San Francisco sheet, scale 1:250,000.Rogers, T.H., 1966, Geologic map of California, Olaf P. Jenkins edition, San Jose sheet, scale 1:250,000.Jennings, C.W., and Strand, R.G., 1959, Geologic map of California, Olaf P. Jenkins edition, Santa Cruz sheet, scale 1:250,000.Jennings, C.W., 1959, Geologic map of California, Olaf P. Jenkins edition, Santa Maria sheet, scale 1:250,000.Koenig, J.B., 1963, Geologic map of California, Olaf P. Jenkins edition, Santa Rosa sheet, scale 1:250,000.Wagner, D.L., Bortugno, E.J., and McJunkin, R.D., 1990, Geologic map of the San Francisco-San Jose quadrangle, California: California Division of Mines and Geology, Regional Geologic Map Series, Map 5A, scale 1:250,000.Tennyson, M.E., 1992, Preliminary geologic map of the Santa Maria 30' x 60' quadrangle, California: U.S. Geological Survey Open-File Report 92-189, 9 p., scale 1:100,000.https://pubs.er.usgs.gov/publication/ofr92189 Brabb, E.E., Graymer, R.W., and Jones, D.L., 2000, Geologic map and map database of the Palo Alto 30' x 60' quadrangle, California: U.S. Geological Survey Miscellaneous Field Studies Map MF-2332, 30 p., scale 1:100,000.https://pubs.er.usgs.gov/publication/mf2332 Clark, J.C., and Rietman, J.D., 1973, Oligocene stratigraphy, tectonics, and paleogeography southwest of the San Andreas fault, Santa Cruz Mountains and Gabilan Range, California Coast Ranges: U.S. Geological Survey Professional Paper 783, 18 p., scale 1:125,000.https://pubs.er.usgs.gov/publication/pp783 Clark, J.C., 1981, Stratigraphy, paleontology, and geology of the central Santa Cruz Mountains, California Coast Ranges: U.S. Geological Survey Professional Paper 1168, 51 p., scale 1:24,000.https://pubs.er.usgs.gov/publication/pp1168 |
| NGMDB product | |
| Counties | Contra Costa - Fresno - Kern - Los Angeles - Monterey - San Benito - San Mateo - Santa Barbara - Santa Clara - Santa Cruz |