State | Oregon |
---|---|
Name | Marine sedimentary rocks |
Geologic age | Oligocene to Early Miocene |
Lithologic constituents |
Major
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Clastic > Mudstone > Claystone (Bed)
Sedimentary > Clastic > Conglomerate (Bed)
Incidental
Sedimentary > Coal (Bed)
|
References | Walker, G.W. and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000.Orr, W.N., and Miller, P.R., 1983, Fossil Cetaceae (whales) in the Western Cascades: Oregon Geology, v. 45, p. 95-98.Miller, P.R., and Orr, W.N., 1984a, Geologic map of the Wilhoit quadrangle, Oregon: Oregon Department of Geologyand Mineral Industries Geologic Map Series GMS032, scale 1:24,000.Miller, P.R., and Orr, W.N., 1984b, Geologic map of the Scotts Mills quadrangle, Oregon: Oregon Department of Geologyand Mineral Industries Geologic Map Series GMS033, scale 1:24,000.Harper, H.E., 1946, Preliminary report on the geology of the Molalla quadrangle: Corvallis, Oregon, Oregon State University, M.S. thesis, 28 p. |
NGMDB product | |
Counties | Clackamas - Marion |