Upper Cretaceous marine rocks (?) (CAKu?;0)

State	California
Name	Upper Cretaceous marine rocks (?)
Geologic age	Cretaceous
Original map label	Ku?
Comments	Small area composed primarily of conglomerate in northern part of San Francisco Bay area. Considered Cretaceous in age by Blake and others (2000)
Primary rock type	conglomerate
Secondary rock type	sandstone
Other rock types	basalt
Lithologic constituents
Map references	Jennings, C.W., Strand, R.G., and Rogers, T.H., 1977, Geologic map of California: California Division of Mines and Geology, scale 1:750,000.
Unit references	Jennings, C.W., Strand, R.G., and Rogers, T.H., 1977, Geologic map of California: California Division of Mines and Geology, 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. Koenig, J.B., 1963, Geologic map of California, Olaf P. Jenkins edition, Santa Rosa sheet, scale 1:250,000. Blake, M.C., Jr., Graymer, R.W., and Jones, D.L., 2000, Geologic map and map database of parts of Marin, San Francisco, Alameda, Contra Costa, and Sonoma Counties, California: U.S. Geological Survey Miscellaneous Field Studies Map MF 2337, 29 p., scale 1:75,000. [http://pubs.er.usgs.gov/publication/mf2337]
Geographic coverage	Marin