| State | California |
|---|---|
| Name | Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada) |
| Geologic age | Ordovician to Triassic |
| Lithologic constituents |
Major
Metamorphic > Metasedimentary > Metaclastic > Quartzite
Metamorphic > Metasedimentary > Metaclastic > Argillite
Metamorphic > Metasedimentary > Metaclastic > Phyllite
Minor
Sedimentary > Clastic > Mudstone (Bed)
Sedimentary > Chemical > Chert (Bed, Melange)Forms matrix of melange
Sedimentary > Clastic > Sandstone (Bed)
Incidental
Sedimentary > Clastic > Sedimentary-breccia (Bed)
Metamorphic > Metasedimentary > Metacarbonate > MarbleBlocks in melange
Igneous > Volcanic > Mafic-volcanic > Basalt
Metamorphic > Schist
Sedimentary > Clastic > Conglomerate (Bed)
Sedimentary > Carbonate > Limestone (Bed)
|
| Comments | Western Sierra Nevada. Lower Paleozoic Shoo Fly Complex and upper Paleozoic to lower Mesozoic Calaveras Complex, undivided. Deformed and metamorphosed rocks composed primarily of quartzite, argillite, and chert; includes melange |
| Stratigraphic units | Calaveras Complex (part), Shoo Fly Complex (part), Blue Canyon Fm., Briceburg Fm., Cape Horn Slate, Delhi Fm., Hite Cove Fm., Kanaka Fm., Relief Quartzite, Tightner 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., 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.Lydon, P.A., Gay, T.E., Jr., and Jennings, C.W., 1960, Geologic map of California, Olaf P. Jenkins edition, Westwood 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.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 Harwood, D.S., 1992, Stratigraphy of Paleozoic and lower Mesozoic rocks in the Northern Sierra Terrane, California: U.S. Geological Survey Bulletin 1957, 78 p., scale 1:250,000.https://pubs.er.usgs.gov/publication/b1957 D'Allura, J.A., Moores, E.M., and Robinson, L., 1977, Paleozoic rocks of the northern Sierra Nevada: their structural and paleogeographic implications, 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. 395-408.Schweickert, R.A., Saleeby, J.B., Tobisch, O.T., and Wright, W.H., III, 1977, Paleotectonic and paleogeographic significance of the Calaveras Complex, western Sierra Nevada, California, 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. 381-394.Silberling, N.J., Jones, D.L., Blake, M.C., Jr., and Howell, D.G., 1987, Lithotectonic terrane map of the western conterminous United States: U.S. Geological Survey Miscellaneous Field Studies Map MF-1874-C, scale 1:2,500,000.https://pubs.er.usgs.gov/publication/mf1874C 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.Day, H.W., Schiffman, Peter, and Moores, E.M., 1988, Metamorphism and tectonics of the northern Sierra Nevada, in Ernst, W.G., ed., Metamorphism and crustal evolution of the western United States (Rubey Volume 7): Englewood Cliffs, N.J., Prentice-Hall, p. 737-763.Harwood, D.S., 1988, Tectonism and metamorphism in the Northern Sierra Terrane, northern 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. 764-788.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.McMath, V.E., 1966, Geology of the Taylorsville area, northern Sierra Nevada, in Bailey, E.H., ed., Geology of northern California: California Division of Mines and Geology Bulletin 190, p. 173-183. |
| NGMDB product | |
| Counties | Amador - Calaveras - El Dorado - Mariposa - Nevada - Placer - Plumas - Sierra - Tuolumne |