Schist of various types and ages, unit 8 (Condrey Mountain)

Schists of various types; mostly Paleozoic or Mesozoic age; some Precambrian.
State California
Name Schist of various types and ages, unit 8 (Condrey Mountain)
Geologic age Jurassic(?)
Lithologic constituents
Metamorphic > Schist (Greenschist)Includes mafic metavolcanic schist in upper part of unit, and quartz-mica metasedimentary schist in lower part
Metamorphic > Schist > Amphibole-schist (Blueschist)Glaucophane schist
Sedimentary > Chemical > ChertMetachert associated with quartz-mica schist
Comments Condrey Mountain Schist of Klamath Mountains. Consists of a mafic schist subunit thrust over a lower subunit composed mainly of quartz-mica schist
Stratigraphic units Condrey Mountain Schist

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.

Strand, R.G., 1964, Geologic map of California, Olaf P. Jenkins edition, Weed sheet, 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.

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.

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.

Coleman, R.G., Manning, C.E., Donato, M.M., Mortimer, N., and Hill, L.B., 1988, Tectonic and regional metamorphic framework of the Klamath Mountains and adjacent Coast Ranges, California and Oregon, in Ernst, W.G., ed., Metamorphism and crustal evolution of the western United States (Rubey Volume 7): Englewood Cliffs, N.J., Prentice-Hall, p. 1061-1097.

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Counties Siskiyou