| State | Oregon |
|---|---|
| Name | Granite and diorite |
| Geologic age | Triassic and Jurassic |
| Lithologic constituents |
Major
Igneous > Plutonic > Granitic > Tonalite (Pluton)
Igneous > Plutonic > Dioritic > Quartz-diorite (Pluton)
Minor
Igneous > Plutonic > Dioritic > Diorite (Pluton)
Igneous > Plutonic > Granitic > Granodiorite (Pluton)
Incidental
Igneous > Plutonic > Gabbroic > Gabbro (Pluton)
|
| Comments | Includes part of the Chetco River complex of Hotz (1971). |
| References | Walker, G.W. and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000.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.https://pubs.er.usgs.gov/publication/i2148 Hotz, P.E., 1971, Plutonic rocks of the Klamath Mountains, California and Oregon: U.S. Geological Survey Professional Paper 684-B, p. B1-B20.https://pubs.er.usgs.gov/publication/pp684B |
| NGMDB product | |
| Counties | Coos - Curry - Douglas - Josephine |