State | Oregon |
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Name | Chetco complex of Hotz (1971) |
Geologic age | Late Jurassic |
Lithologic constituents | Major
Metamorphic > Amphibolite (Amphibolite)May be gradational into the granulite facies
|
Comments | The area mapped as Jc on the State Geologic Map is shown as "amphibolite gneiss" by Coleman (1972). This area is not the same as the area that includes the informally designated Chetco River complex of Hotz (1971), which is 10-20 km farther east. |
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 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 | Curry - Josephine |