Carboniferous marine rocks, unit 4 (Eastern Klamath Mountains) (CAC4;0)

State	California
Name	Carboniferous marine rocks, unit 4 (Eastern Klamath Mountains)
Geologic age	Mississippian to Early Permian
Original map label	C
Comments	Eastern Klamath Mountains. Consists primarily of mudstone and pyroclastic rocks, with minor sandstone and conglomerate
Primary rock type	mudstone
Secondary rock type	pyroclastic
Other rock types	conglomerate; sandstone; limestone; greenstone
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., 1962, Geologic map of California, Olaf P. Jenkins edition, Redding sheet, scale 1:250,000. 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. Fraticelli, L.A., Albers, J.P., Irwin, W.P., and Blake, M.C., Jr., 1987, Geologic map of the Redding 1 X 2 degree quadrangle, Shasta, Tehama, Humboldt, and Trinity Counties, California: U.S. Geological Survey Open-File Report 87-257, scale 1:250,000. [http://pubs.er.usgs.gov/publication/ofr87257] 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. [http://pubs.er.usgs.gov/publication/i2148] Irwin, W.P., 1977, Review of Paleozoic rocks of the Klamath Mountains, in Stewart, J.H., Stevens, C.H., and Fritsche, A.E., eds., Paleozoic paleogeography of the western United States: Society of Economic Paleontologists and Mineralogists, Pacific Section, Pacific Coast Paleogeography Symposium 1, p. 441-454. Miller, M.M., and Harwood, D.S., 1990, Paleogeographic setting of upper Paleozoic rocks in the northern Sierra and eastern Klamath terranes, northern California, in Harwood, D.S., and Miller, M.M., eds., Paleozoic and early Mesozoic paleogeographic relations; Sierra Nevada, Klamath Mountains, and related terranes: Geological Society of America Special Paper 255, p. 175-192. Albers, J.P., and Robertson, J.F., 1961, Geology and ore deposits of East Shasta copper-zinc district, Shasta County, California: U.S. Geological Professional Paper 338, 107 p., scale 1:24,000. [http://pubs.er.usgs.gov/publication/pp338]
Geographic coverage	Shasta - Siskiyou - Trinity