Franciscan Complex
E95610
The Franciscan Complex is a chaotic assemblage of deformed oceanic and continental rocks in coastal California, formed in a subduction zone setting and prominently exposed in ranges such as the Santa Lucia Range.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
accretionary complex
→
geologic formation → mélange → tectonostratigraphic terrane → |
| age |
Cretaceous
→
Late Jurassic → early Cenozoic → |
| associatedWith |
Farallon Plate
→
North American Plate → |
| containsFossilsOf |
deep‑marine fauna
→
radiolaria → |
| country |
United States
→
|
| deformation |
folded
→
intensely deformed → strongly faulted → |
| formedBy |
subduction of oceanic lithosphere beneath continental margin
→
|
| lithology |
basalt
→
blueschist → chert → eclogite → greenstone → greywacke sandstone → high‑pressure metamorphic rocks → serpentinite → shale → |
| locatedIn |
California
→
California Coast Ranges → Diablo Range → Marin County → San Francisco Bay Area → Santa Lucia Range → coastal California → northern California → western margin of North America → |
| metamorphicGrade |
high‑pressure low‑temperature
→
|
| namedAfter |
Franciscan friars of California missions
→
|
| overlies |
Coast Range Ophiolite
→
|
| significance |
classic example of an accretionary prism complex
→
record of Mesozoic subduction along western North America → |
| structuralStyle |
chaotic assemblage
→
mélange with tectonic blocks in sheared matrix → |
| studiedIn |
sedimentology
→
structural geology → tectonics → |
| tectonicSetting |
accretionary prism
→
subduction zone → |
| underlies |
Great Valley Group
→
|
Referenced by (2)
| Subject (surface form when different) | Predicate |
|---|---|
|
Gabilan Range
→
Santa Lucia Range → |
geology |