State | Oregon |
---|---|
Name | Gabbro and ultramafic rocks associated with granitic plutons |
Geologic age | Late Jurassic and Early Cretaceous |
Lithologic constituents |
Major
Igneous > Plutonic > Gabbroic > Gabbro (Pluton)
Minor
Igneous > Plutonic > Ultramafic > Pyroxenite (Pluton)
Incidental
Metamorphic > Metaigneous > Serpentinite
Igneous > Plutonic > Ultramafic > Peridotite (Pluton)
|
References | Walker, G.W. and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000. |
NGMDB product | |
Counties | Jackson - Josephine |