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Mesozoic granitic rocks, unit 5 (Klamath Mountains)

Mesozoic granite, quartz monzonite, granodiorite, and quartz diorite
StateCalifornia
NameMesozoic granitic rocks, unit 5 (Klamath Mountains)
Geologic ageJurassic to early Cretaceous
Original map labelgrMz
Primary rock typediorite
Secondary rock typequartz diorite
Other rock typesgranite; tonalite; granodiorite; monzodiorite; gabbro; pyroxenite; trondhjemite; pegmatite; aplite
Lithologic constituents
Major
Igneous > Plutonic > Dioritic > Diorite (Pluton)
Minor
Igneous > Plutonic > Gabbroic > Gabbro (Pluton)
Igneous > Plutonic > Dioritic > Quartz-diorite (Pluton)
Igneous > Plutonic > Granitic > Granite (Pluton)
Incidental
Igneous > Plutonic > Granitic > Leucocratic-granitic > Pegmatite (Dike or sill)
Igneous > Plutonic > Granitic > Leucocratic-granitic > Aplite (Dike or sill)
Igneous > Plutonic > Dioritic > Monzodiorite (Pluton)
Igneous > Plutonic > Granitic > Tonalite > Trondhjemite (Pluton)
Igneous > Plutonic > Ultramafic > Pyroxenite (Pluton)
Igneous > Plutonic > Granitic > Tonalite (Pluton)
Igneous > Plutonic > Granitic > Granodiorite (Pluton)
Map references
Jennings, C.W., Strand, R.G., and Rogers, T.H., 1977, Geologic map of California: California Division of Mines and Geology, scale 1:750,000.
Unit references
Jennings, C.W., Strand, R.G., and Rogers, T.H., 1977, Geologic map of California: California Division of Mines and Geology, 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., 1962, Geologic map of California, Olaf P. Jenkins edition, Redding sheet, scale 1:250,000.
Strand, R.G., 1964, Geologic map of California, Olaf P. Jenkins edition, Weed 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.
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.
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.
Irwin, W.P., 1981, Tectonic accretion of the Klamath Mountains, in Ernst, W.G., ed., The geotectonic development of California (Rubey Volume 1): Englewood Cliffs, N.J., Prentice-Hall, p. 29-49.
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.
Geographic coverageDel Norte - Humboldt - Shasta - Siskiyou - Trinity

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