State | Oregon |
---|---|
Name | Sedimentary rocks of Dothan Formation and related rocks |
Geologic age | Late Jurassic to Early Cretaceous |
Lithologic constituents |
Major
Sedimentary > Clastic > Sandstone > Graywacke (Bed)turbidite facies
Sedimentary > Clastic > Mudstone (Bed)
Incidental
Sedimentary > Chemical > Chert (Bed)
Sedimentary > Clastic > Conglomerate (Bed)
|
Comments | Considered part of the Yolla Bolly Terrane by Blake and others (1985) |
References | Walker, G.W. and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000.Coleman, R.G., 1972, The Colebrooke Schist of southwestern Oregon and its relation to the tectonic evolution of the region: U.S. Geological Survey Bulletin 1972, 61 p.https://pubs.er.usgs.gov/publication/b1972 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. |
NGMDB product | |
Counties | Coos - Curry - Douglas - Josephine |