Jurassic marine rocks (?), (Lake Beryessa) (CAJ?;0)

State	California
Name	Jurassic marine rocks (?), (Lake Beryessa)
Geologic age	Jurassic(?)
Original map label	J?
Comments	Small area at northwest end of Lake Berryessa in northern Coast Ranges; mapped as Knoxville Fm. (?) by Fox and others (1973)
Primary rock type	siltstone
Secondary rock type
Other rock types
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. Fox, K.A., Jr., Sims, J.D., Bartow, J.A., and Helley, E.J., 1973, Preliminary geologic map of eastern Sonoma County and western Napa County, California: U.S. Geological Survey Miscellaneous Field Studies Map MF-483, scale 1:62,500. [http://pubs.er.usgs.gov/publication/mf483]
Geographic coverage	Napa