1. Mineral Resources
  2. Online Spatial Data
  3. Geology
  4. by state
  5. California

Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains)

XML
JSON
Shapefile
Shale, sandstone, minor conglomerate, chert, slate, limestone; minor pyroclastic rocks
State California
Name Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains)
Geologic age Triassic to Late Jurassic
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > Slate
Sedimentary > Clastic > Sandstone > Graywacke (Bed)Variably metamorphosed
Minor
Sedimentary > Clastic > Siltstone (Bed)
Sedimentary > Clastic > Conglomerate (Bed)
Incidental
Igneous > Volcanic (Pyroclastic)
Sedimentary > Chemical > Chert (Bed)
Igneous > Volcanic > Mafic-volcanic > Basalt (Flow-pillows)Basaltic pillow lava
Comments Western Klamath Mountains, western Sierra Nevada. Primarily slate and metamorphosed graywacke; minor siltstone, conglomerate, chert, and volcanic rocks. Mainly Late Jurassic in age, but also includes some Early Jurassic or older rocks
Stratigraphic units Agua Fria Fm., Colfax Fm., Cosumnes Fm., Galice Fm., Hunter Valley Cherts, Mariposa Fm., Merced Falls Slate, Salt Spring Slate, Jasper Point Fm.
References

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.

Burnett, J.L., and Jennings, C.W., 1962, Geologic map of California, Olaf P. Jenkins edition, Chico sheet, scale 1:250,000.

Strand, R.G., 1967, Geologic map of California, Olaf P. Jenkins edition, Mariposa sheet, scale 1:250,000.

Strand, R.G., 1962, Geologic map of California, Olaf P. Jenkins edition, Redding sheet, scale 1:250,000.

Strand, R.G., and Koenig, J.B., 1966, Geologic map of California, Olaf P. Jenkins edition, Sacramento sheet, scale 1:250,000.

Rogers, T.H., 1966, Geologic map of California, Olaf P. Jenkins edition, San Jose sheet, scale 1:250,000.

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.

Wagner, D.L., Jennings, C.W., Bedrossian, T.L., and Bortugno, E.J., 1981, Geologic map of the Sacramento quadrangle, California: California Division of Mines and Geology, Regional Geologic Map Series, Map 1A, scale 1:250,000.

Wagner, D.L., Bortugno, E.J., and McJunkin, R.D., 1990, Geologic map of the San Francisco-San Jose quadrangle, California: California Division of Mines and Geology, Regional Geologic Map Series, Map 5A, 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.

https://pubs.er.usgs.gov/publication/ofr87257

Bateman, P.C., 1992, Pre-Tertiary geologic map of the Mariposa 1ø by 2ø quadrangle, Sierra Nevada, California: U.S. Geological Survey Miscellaneous Investigations Series Map I-1960, scale 1:250,000.

https://pubs.er.usgs.gov/publication/i1960

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.

https://pubs.er.usgs.gov/publication/i2148

Burchfiel, B.C., and Davis, G.A., 1981, Triassic and Jurassic tectonic evolution of the Klamath Mountains-Sierra Nevada geologic terrane, in Ernst, W.G., ed., The geotectonic development of California (Rubey Volume 1): Englewood Cliffs, N.J., Prentice-Hall, p. 50-70.

Schweickert, R.A., 1981, Tectonic evolution of the Sierra Nevada Range, in Ernst, W.G., ed., The geotectonic development of California (Rubey Volume 1): Englewood Cliffs, N.J., Prentice-Hall, p. 87-131.

Saleeby, J.B., 1981, Ocean floor accretion and volcanoplutonic arc evolution of the Mesozoic Sierra Nevada, in Ernst, W.G., ed., The geotectonic development of California (Rubey Volume 1): Englewood Cliffs, N.J., Prentice-Hall, p. 132-181.

Schweickert, R.A., Merguerian, Charles, and Bogen, N.L., 1988, Deformational and metamorphic history of Paleozoic and Mesozoic basement terranes in the western Sierra Nevada metamorphic belt, in Ernst, W.G., ed., Metamorphism and crustal evolution of the western United States (Rubey Volume 7): Englewood Cliffs, N.J., Prentice-Hall, p. 789-822.

Sharp, W.D., 1988, Pre-Cretaceous crustal evolution in the Sierra Nevada region, California, in Ernst, W.G., ed., Metamorphism and crustal evolution of the western United States (Rubey Volume 7): Englewood Cliffs, N.J., Prentice-Hall, p. 823-864.

Schweickert, R.A., 1978, Triassic and Jurassic paleogeography of the Sierra Nevada and adjacent regions, California and western Nevada, in Howell, D.G., and McDougall, K.A., eds., Mesozoic paleogeography of the western United States: Society of Economic Paleontologists and Mineralogists, Pacific Section, Pacific Coast Paleogeography Symposium 2, p. 361-384.
NGMDB product
Counties Amador - Calaveras - Del Norte - El Dorado - Humboldt - Madera - Mariposa - Merced - Nevada - Placer - Sacramento - Siskiyou - Stanislaus - Tehama - Trinity - Tuolumne