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Sedimentary rocks of Dothan Formation and related rocks (Lower Cretaceous and Upper Jurassic)

Sandstone, conglomerate, graywacke, rhythmically banded chert lenses. Includes western Dothan and Otter Point Formations of M.C. Blake, Jr. and AS. Jayko (unpublished data, 1985) in Curry and southern Coos Counties
State Oregon
Name Sedimentary rocks of Dothan Formation and related rocks (Lower Cretaceous and Upper Jurassic)
Geologic age Late Jurassic to Late Cretaceous
Comments Considered part of Sixes River Terrane by Blake and others (1985).
Primary rock type mudstone
Secondary rock type sandstone
Other rock types conglomerate; limestone; blueschist; eclogite
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Clastic > Mudstone (Bed)
Minor
Sedimentary > Clastic > Conglomerate (Bed)
Incidental
Sedimentary > Carbonate > Limestone (Bed)
Metamorphic > Schist (Glaucophane-schist)tectonic blocks
Metamorphic > Eclogite (Eclogite)tectonic blocks
Map references
Walker, G.W. and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000.
Unit references
Walker, G.W. and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000.
Blake, M.C., Jr., Engebretson, D.C., Jayko, A.S., and Jones, D.L., 1985, Tectonostratigraphic terranes in southwest Oregon, in Howell, D.G., ed., Tectonostratigraphic terranes of the circum-Pacific region: Circum-Pacific Council for Energy and Mineral Resources Earth Science Series, v. 1, p. 147-158.
Counties Coos - Curry - Douglas