Madagascar Ridge
E998584
UNEXPLORED
Madagascar Ridge is a major submarine volcanic ridge in the Indian Ocean that extends southward from the vicinity of Madagascar and forms a prominent feature of the region’s seafloor topography.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Madagascar Ridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12612291 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Madagascar Ridge Context triple: [Madagascar Plateau, boundedBy, Madagascar Ridge]
-
A.
East Scotia Ridge
The East Scotia Ridge is a back-arc spreading center and tectonic plate boundary in the South Atlantic, associated with seafloor spreading and volcanic activity between the Scotia Plate and surrounding plates.
-
B.
Nansen-Gakkel Ridge
Nansen-Gakkel Ridge is a slow-spreading mid-ocean ridge located beneath the Arctic Ocean, forming part of the seafloor spreading system between the Eurasian and North American tectonic plates.
-
C.
Walvis Ridge
Walvis Ridge is a major submarine volcanic mountain chain in the South Atlantic Ocean that extends from the African continental margin toward the Mid-Atlantic Ridge.
-
D.
South Scotia Ridge
The South Scotia Ridge is a major submarine mountain chain in the Southern Ocean forming part of the tectonic boundary between the Scotia Plate and the Antarctic Plate.
-
E.
New Caledonia Ridge
New Caledonia Ridge is a major submarine geological feature in the southwest Pacific Ocean, forming an elongated plateau that includes the islands of New Caledonia and nearby seamounts.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Madagascar Ridge Target entity description: Madagascar Ridge is a major submarine volcanic ridge in the Indian Ocean that extends southward from the vicinity of Madagascar and forms a prominent feature of the region’s seafloor topography.
-
A.
East Scotia Ridge
The East Scotia Ridge is a back-arc spreading center and tectonic plate boundary in the South Atlantic, associated with seafloor spreading and volcanic activity between the Scotia Plate and surrounding plates.
-
B.
Nansen-Gakkel Ridge
Nansen-Gakkel Ridge is a slow-spreading mid-ocean ridge located beneath the Arctic Ocean, forming part of the seafloor spreading system between the Eurasian and North American tectonic plates.
-
C.
Walvis Ridge
Walvis Ridge is a major submarine volcanic mountain chain in the South Atlantic Ocean that extends from the African continental margin toward the Mid-Atlantic Ridge.
-
D.
South Scotia Ridge
The South Scotia Ridge is a major submarine mountain chain in the Southern Ocean forming part of the tectonic boundary between the Scotia Plate and the Antarctic Plate.
-
E.
New Caledonia Ridge
New Caledonia Ridge is a major submarine geological feature in the southwest Pacific Ocean, forming an elongated plateau that includes the islands of New Caledonia and nearby seamounts.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.