Coast Range Ophiolite
E440144
The Coast Range Ophiolite is a Jurassic-aged slice of ancient oceanic crust and upper mantle exposed in California’s Coast Ranges, representing part of the former Farallon Plate.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Coast Range Ophiolite canonical | 2 |
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
ophiolite ⓘ tectonostratigraphic terrane ⓘ |
| ageRange | Middle Jurassic ⓘ |
| associatedWith |
Franciscan Complex
NERFINISHED
ⓘ
Great Valley forearc basin ⓘ |
| contains |
chromite deposits
ⓘ
mantle peridotite ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| exposedIn |
central California Coast Ranges
NERFINISHED
ⓘ
northern California Coast Ranges NERFINISHED ⓘ |
| formedBy | seafloor spreading ⓘ |
| geologicAge | Jurassic ⓘ |
| lithologyIncludes |
basalt
ⓘ
gabbro ⓘ pillow basalt ⓘ serpentinite ⓘ sheeted dike complex ⓘ ultramafic rocks ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
United States of America ⓘ
surface form:
United States
|
| overlainBy |
Great Valley Group
NERFINISHED
ⓘ
Great Valley Sequence NERFINISHED ⓘ |
| partOf | California Coast Ranges NERFINISHED ⓘ |
| partOfFormer | Farallon Plate NERFINISHED ⓘ |
| region | western North America ⓘ |
| relatedTo |
Cordilleran orogeny
NERFINISHED
ⓘ
Mesozoic subduction along the North American margin ⓘ |
| represents |
ancient oceanic crust
ⓘ
upper mantle section ⓘ |
| researchTopicIn |
ophiolite petrology
ⓘ
plate tectonics ⓘ tectonics of the California margin ⓘ |
| significantFor |
study of Farallon Plate history
ⓘ
study of forearc ophiolites ⓘ |
| tectonicProcess |
obduction
ⓘ
subduction-related accretion ⓘ |
| tectonicSetting | forearc region ⓘ |
| underlies |
Great Valley Group
NERFINISHED
ⓘ
Great Valley Sequence NERFINISHED ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.