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
Sedimentary > Clastic > Sandstone (Bed)Feldspathic to arkosic; mostly thick bedded; fine-grained to conglomeratic; some beds are graded
Sedimentary > Clastic > Conglomerate (Bed)Clasts mostly volcanic and granitic
Sedimentary > Clastic > Mudstone (Bed)
Sedimentary > Clastic > Siltstone (Bed)
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.

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.


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.


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