Lord Howe Trough
E440840
Lord Howe Trough is a deep submarine basin in the Tasman Sea, separating the Lord Howe Rise from the Australian mainland and forming part of the complex tectonic structure of the southwest Pacific Ocean floor.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lord Howe Trough canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4406964 — 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: Lord Howe Trough Context triple: [Lord Howe Rise, adjacentTo, Lord Howe Trough]
-
A.
Mariana Trough
The Mariana Trough is a back-arc basin in the western Pacific Ocean formed by seafloor spreading behind the Mariana subduction zone.
-
B.
Lord Howe Rise
Lord Howe Rise is a vast submerged continental plateau in the southwestern Pacific Ocean, forming part of the largely underwater continent Zealandia between Australia and New Zealand.
-
C.
Timor Trough
Timor Trough is a deep oceanic trench south of the island of Timor that marks a major tectonic boundary between the Australian and Eurasian plates.
-
D.
Fiji Basin
The Fiji Basin is a deep oceanic basin in the South Pacific characterized by complex seafloor topography and active tectonic and volcanic processes.
-
E.
South Sandwich Trench
The South Sandwich Trench is a deep oceanic trench near the South Sandwich Islands, known as one of the deepest points in the Southern Ocean and a significant site for studying subduction and extreme marine environments.
- 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: Lord Howe Trough Target entity description: Lord Howe Trough is a deep submarine basin in the Tasman Sea, separating the Lord Howe Rise from the Australian mainland and forming part of the complex tectonic structure of the southwest Pacific Ocean floor.
-
A.
Mariana Trough
The Mariana Trough is a back-arc basin in the western Pacific Ocean formed by seafloor spreading behind the Mariana subduction zone.
-
B.
Lord Howe Rise
Lord Howe Rise is a vast submerged continental plateau in the southwestern Pacific Ocean, forming part of the largely underwater continent Zealandia between Australia and New Zealand.
-
C.
Timor Trough
Timor Trough is a deep oceanic trench south of the island of Timor that marks a major tectonic boundary between the Australian and Eurasian plates.
-
D.
Fiji Basin
The Fiji Basin is a deep oceanic basin in the South Pacific characterized by complex seafloor topography and active tectonic and volcanic processes.
-
E.
South Sandwich Trench
The South Sandwich Trench is a deep oceanic trench near the South Sandwich Islands, known as one of the deepest points in the Southern Ocean and a significant site for studying subduction and extreme marine environments.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
oceanic basin
ⓘ
submarine trough ⓘ |
| adjacentTo |
Australian mainland
ⓘ
Lord Howe Rise ⓘ |
| age | Mesozoic–Cenozoic ⓘ |
| boundedBy |
Australian continental slope to the west
ⓘ
Lord Howe Rise to the east ⓘ
linked to:
Lord Howe Rise
|
| contains | thick sedimentary sequences ⓘ |
| countryOffshoreFrom | Australia ⓘ |
| floorType | deep-sea basin ⓘ |
| formedBy |
back-arc style extension
ⓘ
continental rifting ⓘ |
| geologicalProvince |
Zealandia region
ⓘ
linked to:
Zealandia microcontinent
|
| geologicalSignificance |
key structure in evolution of Zealandia–Australia margin
ⓘ
records rifting history of Tasman Sea ⓘ |
| hasFeature |
complex faulted morphology
ⓘ
steep basin margins ⓘ |
| liesBetween | eastern Australia and Lord Howe Rise ⓘ |
| locatedIn | Tasman Sea ⓘ |
| maximumDepth | over 3000 m ⓘ |
| namedAfter |
Lord Howe Island region
ⓘ
linked to:
Lord Howe Island
|
| ocean | Pacific Ocean ⓘ |
| orientation | north–south ⓘ |
| partOf |
Australian plate margin
ⓘ
linked to:
East Australian passive margin
Tasman Sea tectonic system ⓘ
linked to:
Tasman Sea Basin
southwest Pacific Ocean floor ⓘ |
| region |
Southwest Pacific
ⓘ
linked to:
southwest Pacific Ocean
|
| relatedTo |
Tasman Sea opening
ⓘ
separation of Australia and Zealandia ⓘ |
| sedimentSource |
Australian continental margin
ⓘ
Lord Howe Rise ⓘ |
| separates |
Australian continental margin
ⓘ
Lord Howe Rise ⓘ |
| studiedIn |
marine geophysics
ⓘ
plate tectonics research ⓘ |
| tectonicSetting | extensional basin ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Lord Howe Trough Description of subject: Lord Howe Trough is a deep submarine basin in the Tasman Sea, separating the Lord Howe Rise from the Australian mainland and forming part of the complex tectonic structure of the southwest Pacific Ocean floor.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.