Cretaceous marine rocks (in part nonmarine) (?), unit 1 (Blythe) (CAK?1;0)

State	California
Name	Cretaceous marine rocks (in part nonmarine) (?), unit 1 (Blythe)
Geologic age	Middle Jurassic(?) to Late Cretaceous
Original map label	K?
Comments	Southeastern California (Palen and McCoy Mountains). Thick sequence composed primarily of weakly metamorphosed sandstone, conglomerate, and shale
Primary rock type	sandstone
Secondary rock type	conglomerate
Other rock types	mudstone; rhyodacite
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. Jennings, C.W., 1967, Geologic map of California, Olaf P. Jenkins edition, Salton Sea sheet, scale 1:250,000. Stone, Paul, 1990, Preliminary geologic map of the Blythe 30' by 60' quadrangle, California and Arizona: U.S. Geological Survey Open-File Report 90-497, scale 1:100,000. [http://pubs.er.usgs.gov/publication/ofr90497] Fackler-Adams, B.N., Busby, C.J., and Mattinson, J.M., 1997, Jurassic magmatism and sedimentation in the Palen Mountains, southeastern California: implications for regional tectonic controls on the Mesozoic continental arc: Geological Society of America Bulletin, v. 109, p. 1464-1484. Stone, Paul, and Pelka, G.J., 1989, Geologic map of the Palen-McCoy Wilderness Study Area and vicinity, Riverside County, California: U.S. Geological Survey Miscellaneous Field Studies Map MF-2092, scale 1:62,500. [http://pubs.er.usgs.gov/publication/mf2092] Barth, A.P., Wooden, J.L., Jacobon, C.E., and Probst, K., 2004, U-Pb geochronology and geochemistry of the McCoy Mountains Formation, southeastern California: A Cretaceous retroarc foreland basin: Geological Society of America Bulletin, v. 116, p. 142-153.
Geographic coverage	Riverside