Southeast Indian Ridge
E56201
The Southeast Indian Ridge is a major mid-ocean spreading center in the southern Indian Ocean that forms part of the global system of divergent tectonic plate boundaries.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
divergent plate boundary
→
mid-ocean ridge → spreading center → |
| ageOfCrustTrend |
crust becomes older away from ridge axis
→
|
| associatedWith |
earthquakes
→
hydrothermal activity → volcanism → |
| boundaryBetween |
Australian Plate and Antarctic Plate
→
|
| connectsTo |
Central Indian Ridge
→
Pacific-Antarctic Ridge → Southwest Indian Ridge → |
| countryOffshoreFrom |
Antarctica
→
Australia → |
| crustFormationMechanism |
partial melting of upwelling mantle
→
|
| crustThickness |
typical of oceanic crust
→
|
| crustTypeProduced |
oceanic crust
→
|
| discoveredBy |
marine geophysical surveys
→
|
| extendsFrom |
Indian Ocean Triple Junction
→
|
| extendsTo |
Pacific-Antarctic Ridge region
→
|
| featureOf |
seafloor of the Indian Ocean
→
|
| geologicalProcess |
seafloor spreading
→
|
| hasMorphology |
rift valley segments and axial highs
→
|
| hasProcess |
magmatic accretion at spreading center
→
mantle upwelling beneath ridge axis → |
| heatFlow |
elevated near ridge axis
→
|
| influences |
bathymetry of southern Indian Ocean
→
|
| isSegmentedBy |
non-transform offsets
→
transform faults → |
| lithosphereType |
oceanic lithosphere
→
|
| locatedIn |
southern Indian Ocean
→
|
| magneticAnomalies |
symmetrical about ridge axis
→
|
| ocean |
Indian Ocean
→
|
| orientation |
generally east–west
→
|
| partOf |
global divergent plate boundary system
→
global mid-ocean ridge system → |
| plateBoundaryType |
constructive plate boundary
→
|
| relativeMotion |
Australian Plate moving away from Antarctic Plate
→
|
| ridgeAxis |
site of active magmatism
→
|
| roleInPlateTectonics |
records seafloor spreading history of Indian Ocean
→
|
| separates |
Antarctic Plate
→
Australian Plate → |
| spreadingType |
slow to intermediate spreading ridge
→
|
| studiedInDiscipline |
geophysics
→
marine geology → plate tectonics → |
| tectonicSetting |
oceanic-oceanic divergent boundary
→
|
| topographicExpression |
submarine mountain chain
→
|
Referenced by (3)
| Subject (surface form when different) | Predicate |
|---|---|
|
Southwest Indian Ridge
→
|
connectsTo |
|
Indian Ocean Ridge system
→
|
hasPart |
|
Antarctic Plate
→
|
surroundedBy |