Cretaceous marine rocks (in part nonmarine), unit 2 (West Walker River)

Undivided Cretaceous sandstone, shale, and conglomerate; minor nonmarine rocks in Peninsular Ranges
State California
Name Cretaceous marine rocks (in part nonmarine), unit 2 (West Walker River)
Geologic age Triassic(?) and/or Jurassic(?)
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone (Bed)Volcanic sandstone, variably metamorphosed
Minor
Sedimentary > Clastic > Mudstone (Bed)Variably metamorphosed
Igneous > Volcanic > Felsic-volcanic > Rhyolite
Igneous > Volcanic > Mafic-volcanic > Andesite (Flow)
Igneous > Volcanic > Felsic-volcanic > Dacite (Pyroclastic-ash flow)
Sedimentary > Clastic > Siltstone (Bed)Variably metamorphosed
Incidental
Sedimentary > Carbonate > Limestone (Bed)Includes marble
Sedimentary > Clastic > Conglomerate (Bed)
Comments East-central California. Metasedimentary and metavolcanic rocks of probable Jurassic and/or Triassic age
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.

Koenig, J.B., 1963, Geologic map of California, Olaf P. Jenkins edition, Walker Lake sheet, scale 1:250,000.

Stewart, J.H., Carlson, J.E., and Johannsen, D.C., 1982, Geologic map of the Walker Lake 1ø x 2ø quadrangle, California and Nevada: U.S. Geological Survey Miscellaneous Field Studies Map MF-1382-A, scale 1:250,000.

https://pubs.er.usgs.gov/publication/mf1382A

Schweickert, R.A., 1976, Shallow-level plutonic complexes in the eastern Sierra Nevada, California, and their tectonic implications: Geological Society of America Special Paper 176, 58 p.

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Counties Alpine - Mono