|Name||Cretaceous marine rocks (in part nonmarine) (?), unit 1 (Blythe)|
|Geologic age||Middle Jurassic(?) to Late Cretaceous|
Sedimentary > Clastic > Siltstone (Bed, Arkosic)Mostly arkosic to volcanic-lithic; orthoquartzitic in lower part of unit
Sedimentary > Clastic > Conglomerate (Bed)Clasts mainly granitic and volcanic
Sedimentary > Clastic > Mudstone (Bed)Generally phyllitic
Sedimentary > Clastic > SandstoneOccurs in thrust sheet above McCoy Mountains Formation
|Comments||Southeastern California (Palen and McCoy Mountains). Thick sequence composed primarily of weakly metamorphosed sandstone, conglomerate, and shale|
|Stratigraphic units||McCoy Mountains 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., 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.
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.
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.