Upper Cretaceous and Paleocene marine rocks, undivided

Sandstone, shale, and conglomerate
State California
Name Upper Cretaceous and Paleocene marine rocks, undivided
Geologic age Late Cretaceous to Paleocene
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone (Bed)Feldspathic to arkosic; mostly thick bedded; fine-grained to conglomeratic; some beds are graded
Minor
Sedimentary > Clastic > Conglomerate (Bed)Clasts mostly volcanic and granitic
Sedimentary > Clastic > Mudstone (Bed)
Sedimentary > Clastic > Siltstone (Bed)
Incidental
Sedimentary > Carbonate > Limestone (Bed)Associated with mudstone and siltstone; includes concretions
Comments West-central California (Santa Lucia Range). Mostly Upper Cretaceous with Paleocene strata in upper part
Stratigraphic units Dip Creek Fm., Asuncion Group (part), Shut-In Fm., Italian Flat Fm., Steve Creek Fm., El Piojo 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.

Jennings, C.W., 1959, Geologic map of California, Olaf P. Jenkins edition, San Luis Obispo sheet, scale 1:250,000.

Durham, D.L., 1974, Geology of the southern Salinas Valley area, California: U.S. Geological Survey Professional Paper 819, 111 p., scale 1:125,000.

https://pubs.er.usgs.gov/publication/pp819

Seiders, V.M., 1989, Geologic map of the Burnett Peak quadrangle, Monterey and San Luis Obispo Counties, California: U.S. Geological Survey Geologic Quadrangle Map GQ-1658, scale 1:24,000.

https://pubs.er.usgs.gov/publication/gq1658

NGMDB product
Counties Monterey - San Luis Obispo - Santa Clara - Santa Cruz