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Upper Cretaceous marine rocks, unit 2 (Klamath Mountains)

Upper Cretaceous sandstone, shale, and conglomerate
StateCalifornia
NameUpper Cretaceous marine rocks, unit 2 (Klamath Mountains)
Geologic agelate Early to Late Cretaceous
Original map labelKu
CommentsNorthernmost California on east side of Klamath Mountains. Consists primarily of sandstone, siltstone, mudstone, and minor conglomerate. Depositional environments range from nonmarine and shallow-marine in lower part to deep-marine (turbidite facies) in upper part
Primary rock typesandstone
Secondary rock typemudstone
Other rock typesconglomerate; sedimentary breccia; coal
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.
Strand, R.G., 1964, Geologic map of California, Olaf P. Jenkins edition, Weed sheet, scale 1:250,000.
Wagner, D.L., and Saucedo, G.J., 1987, Geologic map of the Weed quadrangle, California: California Division of Mines and Geology, Regional Geologic Map Series, Map 4A, scale 1:250,000.
Nilsen, T.H., 1993, Stratigraphy of the Cretaceous Hornbrook Formation, southern Oregon and northern California: U.S. Geological Survey Professional Paper 1521, 89 p.
Geographic coverageSiskiyou

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