Indian Ocean Ridge system
E71050
The Indian Ocean Ridge system is a vast mid-ocean ridge network in the Indian Ocean where tectonic plates diverge and new oceanic crust is formed.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Indian Ocean Triple Junction | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
divergent plate boundary
ⓘ
mid-ocean ridge system ⓘ |
| ageOfCrustIncreases | away from ridge axis ⓘ |
| associatedWith |
magnetic seafloor striping
ⓘ
microplates in the Indian Ocean ⓘ ridge-hotspot interactions ⓘ |
| bathymetry | elevated relative to surrounding abyssal plains ⓘ |
| connectedTo |
Carlsberg Ridge
ⓘ
Gulf of Aden spreading center ⓘ Afro-Arabian Rift System ⓘ
surface form:
Red Sea spreading center
|
| discoveredBy | mid-20th century marine geophysical surveys ⓘ |
| dominantRockType |
gabbro
ⓘ
mid-ocean ridge basalt ⓘ peridotite in upper mantle ⓘ |
| evidenceFor | plate tectonics ⓘ |
| forms | new oceanic crust ⓘ |
| geologicalProcess | seafloor spreading ⓘ |
| hasFeature |
axial volcanic ridges
ⓘ
fracture zones ⓘ hydrothermal vent fields ⓘ rift valley ⓘ segmented ridge morphology ⓘ transform faults ⓘ |
| hasPart |
Central Indian Ridge
ⓘ
Southeast Indian Ridge ⓘ Southwest Indian Ridge ⓘ |
| hasSegment |
intermediate spreading sections
ⓘ
oblique-spreading sections ⓘ ultra-slow spreading sections ⓘ |
| heatFlow | high near ridge axis ⓘ |
| influences |
Indian Ocean circulation patterns
ⓘ
distribution of marine ecosystems ⓘ |
| locatedIn | Indian Ocean ⓘ |
| partOf | global mid-ocean ridge system ⓘ |
| researchField |
geophysics
ⓘ
marine geology ⓘ plate tectonics ⓘ |
| seafloorSpreadingRate | slow to intermediate ⓘ |
| separates |
African Plate
ⓘ
Antarctic Plate ⓘ India Plate ⓘ
surface form:
Indian Plate
Indo-Australian Plate ⓘ Somali Plate ⓘ |
| tectonicSetting | divergent boundary between tectonic plates ⓘ |
| terminatesNear |
Java Trench
ⓘ
Sumatra subduction zone ⓘ |
| volcanismType | basaltic ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Indian Ocean Triple Junction