Cocos–Nazca spreading center
E54044
The Cocos–Nazca spreading center is a mid-ocean ridge in the eastern Pacific where tectonic divergence forms and separates the Cocos and Nazca plates.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Cocos–Nazca spreading center canonical | 3 |
| Cocos–Nazca Spreading System | 1 |
| Cocos–Nazca spreading center seamount chains | 1 |
| Nazca–Cocos–Pacific plate triple junction region | 1 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
mid-ocean ridge
ⓘ
spreading center ⓘ |
| associatedWith |
magmatic accretion at plate boundary
ⓘ
seafloor spreading ⓘ |
| boundedBy | transform faults ⓘ |
| crustAgePattern |
progressively older crust away from axis
ⓘ
youngest crust at ridge axis ⓘ |
| crustFormationMechanism | partial melting of upper mantle ⓘ |
| crustTypeProduced | mafic oceanic crust ⓘ |
| forms | oceanic crust ⓘ |
| geodynamicContext | spreading of oceanic plates in eastern Pacific ⓘ |
| geologicalAgeContext | Cenozoic ⓘ |
| geologicalProcess | tectonic divergence ⓘ |
| hasFeature |
axial rift valley
ⓘ
hydrothermal circulation ⓘ normal faulting ⓘ volcanic activity ⓘ |
| hasMorphology | linear volcanic ridge ⓘ |
| heatFlow | elevated ⓘ |
| influences | bathymetry of eastern Pacific seafloor ⓘ |
| isAssociatedWith | mantle upwelling beneath ridge axis ⓘ |
| isBoundaryType | constructive plate margin ⓘ |
| isCharacterizedBy |
high geothermal gradient
ⓘ
high seismicity relative to surrounding seafloor ⓘ thin lithosphere at ridge axis ⓘ |
| isPartOf | global mid-ocean ridge system ⓘ |
| isSiteOf | mid-ocean ridge basalt eruptions ⓘ |
| isSubmarine | true ⓘ |
| lithosphereType | oceanic lithosphere ⓘ |
| locatedIn | eastern Pacific Ocean ⓘ |
| movementType | spreading apart ⓘ |
| namedAfter |
Cocos Plate
ⓘ
Nazca Plate ⓘ |
| ocean | Pacific Ocean ⓘ |
| partOf |
East Pacific Rise
ⓘ
surface form:
Pacific mid-ocean ridge system
|
| plateBoundaryBetween |
Cocos Plate
ⓘ
Nazca Plate ⓘ |
| separates |
Cocos Plate
ⓘ
Nazca Plate ⓘ |
| spreadingEnvironment | oceanic-oceanic divergent boundary ⓘ |
| tectonicPlateRegion |
Cocos Plate
ⓘ
Nazca Plate ⓘ |
| tectonicRole | accommodates relative motion between Cocos and Nazca plates ⓘ |
| tectonicSetting | divergent plate boundary ⓘ |
| topographicExpression | submarine ridge ⓘ |
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cocos–Nazca Spreading System
this entity surface form:
Cocos–Nazca spreading center seamount chains
this entity surface form:
Nazca–Cocos–Pacific plate triple junction region