Tasman Basin
E90974
The Tasman Basin is a deep oceanic basin on the seafloor between Australia and New Zealand, forming a major structural and sedimentary feature of the Tasman Sea.
All labels observed (2)
| Label | Occurrences |
|---|---|
| East Australian continental margin | 1 |
| Tasman Basin canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T749694 — 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: Tasman Basin Context triple: [Tasman Sea, contains, Tasman Basin]
-
A.
Sydney Basin
The Sydney Basin is a large geological and metropolitan region in New South Wales, Australia, encompassing the greater Sydney area and surrounding lowlands.
-
B.
Illawarra
Illawarra is a coastal region in New South Wales, Australia, known for its escarpment-backed beaches, heavy industry, and the city of Wollongong.
-
C.
Murray–Darling Basin
The Murray–Darling Basin is Australia’s largest and most economically important river system, encompassing extensive agricultural regions and diverse ecosystems across southeastern Australia.
-
D.
Central Tablelands
The Central Tablelands is a region of New South Wales, Australia, characterized by elevated plateaus, rural towns, and a mix of agricultural and natural landscapes west of the Great Dividing Range.
-
E.
Adelaide Plains
Adelaide Plains is a fertile low-lying region in South Australia encompassing and surrounding the city of Adelaide, known for its agriculture and urban development.
- 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: Tasman Basin Target entity description: The Tasman Basin is a deep oceanic basin on the seafloor between Australia and New Zealand, forming a major structural and sedimentary feature of the Tasman Sea.
-
A.
Sydney Basin
The Sydney Basin is a large geological and metropolitan region in New South Wales, Australia, encompassing the greater Sydney area and surrounding lowlands.
-
B.
Illawarra
Illawarra is a coastal region in New South Wales, Australia, known for its escarpment-backed beaches, heavy industry, and the city of Wollongong.
-
C.
Murray–Darling Basin
The Murray–Darling Basin is Australia’s largest and most economically important river system, encompassing extensive agricultural regions and diverse ecosystems across southeastern Australia.
-
D.
Central Tablelands
The Central Tablelands is a region of New South Wales, Australia, characterized by elevated plateaus, rural towns, and a mix of agricultural and natural landscapes west of the Great Dividing Range.
-
E.
Adelaide Plains
Adelaide Plains is a fertile low-lying region in South Australia encompassing and surrounding the city of Adelaide, known for its agriculture and urban development.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
geologic basin
ⓘ
oceanic basin ⓘ submarine basin ⓘ |
| adjacentTo |
Lord Howe Rise
ⓘ
surface form:
Lord Howe Rise Basin system
New Caledonia Basin (to the north via regional system) ⓘ |
| age | Mesozoic-Cenozoic ⓘ |
| basementType | oceanic crust ⓘ |
| boundedBy |
Tasman Basin
self-linksurface differs
ⓘ
surface form:
East Australian continental margin
Lord Howe Rise ⓘ Campbell Plateau ⓘ
surface form:
New Zealand continental margin
Norfolk Ridge ⓘ |
| climateInfluence | Southern Ocean circulation (indirect) ⓘ |
| continentNearby |
Australia
ⓘ
Terra Australis ⓘ
surface form:
Zealandia
|
| countryOffshoreFrom |
Australia
ⓘ
New Zealand ⓘ |
| floorType | abyssal plain ⓘ |
| formedBy |
rifting between Australia and Zealandia
ⓘ
seafloor spreading ⓘ |
| geologicSetting | passive continental margin ⓘ |
| hasFeature |
sediment drifts
ⓘ
submarine channels ⓘ |
| hydrographicContext | South Pacific gyre system ⓘ |
| locatedBetween |
Australia
ⓘ
New Zealand ⓘ |
| locatedIn | Tasman Sea ⓘ |
| mainFormationPeriod | Late Cretaceous ⓘ |
| maximumWaterDepth | over 5000 m ⓘ |
| namedAfter | Tasman Sea ⓘ |
| partOf |
southwest Pacific Ocean
ⓘ
surface form:
Southwest Pacific Ocean
seafloor of the Tasman Sea ⓘ |
| relatedTo | opening of the Tasman Sea ⓘ |
| researchField |
marine geology
ⓘ
plate tectonics ⓘ |
| sedimentaryFill |
pelagic sediments
ⓘ
thick marine sediments ⓘ turbidites ⓘ |
| separates |
Zealandia microcontinent
ⓘ
eastern Australia ⓘ |
| studiedBy |
multibeam bathymetric mapping
ⓘ
seismic reflection surveys ⓘ |
| tectonicPlate |
Indo-Australian Plate
ⓘ
Pacific Plate ⓘ
surface form:
Pacific Plate (eastern margin vicinity)
|
| underlies | central Tasman Sea ⓘ |
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: Tasman Basin Description of subject: The Tasman Basin is a deep oceanic basin on the seafloor between Australia and New Zealand, forming a major structural and sedimentary feature of the Tasman Sea.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
East Australian continental margin