Franciscan Complex, unit 2 (Southern California)

Franciscan complex: Cretaceous and Jurassic sandstone with smaller amounts of shale, chert, limestone, and conglomerate. Includes Franciscan melange, except where separated--see KJfm.
State California
Name Franciscan Complex, unit 2 (Southern California)
Geologic age late Early to early Late Cretaceous
Lithologic constituents
Major
Metamorphic > Metasedimentary (Blueschist)Includes metamorphosed sandstone, shale, conglomerate, and chert. Some of these rocks form blocks in a blueschist-matrix melange
Metamorphic > Schist (Blueschist)
Comments Southwestern California (Santa Catalina Island, Palos Verdes Hills). Blueschist-grade metamorphic rocks more thoroughly recrystallized than most Franciscan rocks
Stratigraphic units Catalina Schist
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.

Jennings, C.W., 1962, Geologic map of California, Olaf P. Jenkins edition, Long Beach sheet, scale 1:250,000.

Powell, R.E., 1993, Balanced palinspastic reconstruction of pre-late Cenozoic paleogeology, southern California: Geologic and kinematic constraints on evolution of the San Andreas fault system, in Powell, R.E., Weldon, R.J., II, and Matti, J.C., eds., The San Andreas fault system: Displacement, palinspastic reconstruction, and geologic evolution: Geological Society of America Memoir 178, p. 1-106, scale 1:750,000.

Sorenson, S., 1988, Tectonometamorphic significance of the basement rocks of the Los Angeles basin and the inner California continental borderland, in Ernst, W.G., ed., Metamorphism and crustal evolution of the western United States (Rubey Volume 7): Englewood Cliffs, N.J., Prentice-Hall, p. 998-1022.

Rowland, S.M., 1984, Geology of Santa Catalina Island: California Geology, v. 37, no. 11, p. 239-251.

NGMDB product
Counties Los Angeles