| State | California |
|---|---|
| Name | Oligocene nonmarine rocks (?), unit 1 (Klamath Mountains) |
| Geologic age | Oligocene(?) to Pleistocene(?) |
| Lithologic constituents |
Major
Unconsolidated > Coarse-detrital > Sand (Bed)
Minor
Unconsolidated > Coarse-detrital > Gravel (Bed)
|
| Comments | A single small outcrop area in the Klamath Mountains. Most recently mapped as Pliocene to Pleistocene terrace alluvium, but could be as old as Oligocene |
| References | 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., 1962, Geologic map of California, Olaf P. Jenkins edition, Redding sheet, 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.https://pubs.er.usgs.gov/publication/ofr87257 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.https://pubs.er.usgs.gov/publication/i2148 |
| NGMDB product | |
| Counties | Trinity |