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Lower Cretaceous marine rocks (?)

Lower Cretaceous sandstone, shale, and conglomerate (?)
State California
Name Lower Cretaceous marine rocks (?)
Geologic age Cretaceous (?)
Comments Klamath Mountains. Small area composed mostly of conglomerate and coarse-grained sandstone assigned to Great Valley Sequence by Irwin (1994)
Primary rock type conglomerate
Secondary rock type sandstone
Other rock types mudstone
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.
Strand, R.G., 1962, Geologic map of California, Olaf P. Jenkins edition, Redding sheet, scale 1:250,000.
Irwin, W.P., 1994, Geologic map of the Klamath Mountains, California and Oregon: U.S. Geological Survey Miscellaneous Investigations Series Map I-2148, scale 1:500,000.
Irwin, W.P., Yule, J.D., Court, B.L., Snoke, A.W., Stern, L.A., and Copeland, W.B., 1985, Reconnaissance geologic map of the Dubakella Mountain quadrangle, Trinity, Shasta, and Tehama Counties, California: U.S. Geological Survey Miscellaneous Field Studies Map MF-1808, scale 1:62,500.
Irwin, W.P., 1974, Reconnaissance geologic map of the Hayfork quadrangle, Trinity County, California: U.S. Geological Survey Miscellaneous Field Studies Map MF-576, scale 1:62,500.
Counties Trinity