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Carboniferous marine rocks, unit 5 (Northwestern Sierra Nevada)

Shale, sandstone, conglomerate, limestone, dolomite, chert, hornfels, marble, quartzite; in part pyroclastic rocks
State California
Name Carboniferous marine rocks, unit 5 (Northwestern Sierra Nevada)
Geologic age Paleozoic or Mesozoic
Comments Northwestern Sierra Nevada. Composed of quartzite and chert in predominantly metavolcanic Duffey Dome Fm. of Hietanen (1973), which was later abandoned and included in Franklin Canyon Fm. (Hietanen, 1981). Assigned a Triassic? and late Paleozoic age by Hietanen (1981)
Primary rock type quartzite
Secondary rock type chert
Other rock types
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.
Saucedo, G.J., and Wagner, D.L., 1992, Geologic map of the Chico quadrangle, California: California Division of Mines and Geology, Regional Geologic Map Series, Map 7A, scale 1:250,000.
Hietanen, A., 1981, The Feather River area as a part of the Sierra Nevada suture system in California: U.S. Geological Survey Professional Paper 1226-B, 13 p.
Hietanen, A., 1973, Geology of the Pulga and Bucks Lake quadrangles, Butte and Plumas Counties, California: U.S. Geological Survey Professional Paper 731, 66 p.
Counties Butte