Portland–Wight Basin
E930711
The Portland–Wight Basin is a geological sub-basin in southern England, known for its Mesozoic sedimentary sequences and significance in regional hydrocarbon exploration.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Portland–Wight Basin canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11517145 — 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: Portland–Wight Basin Context triple: [Wessex Basin, hasSubBasin, Portland–Wight Basin]
-
A.
Annapolis Basin
Annapolis Basin is a sheltered coastal inlet in Nova Scotia, Canada, known for its historical significance as a center of early French Acadian settlement and maritime activity.
-
B.
Cape Basin
The Cape Basin is a deep oceanic basin off the southwestern coast of Africa, forming part of the South Atlantic seafloor and influencing regional ocean circulation and marine ecosystems.
-
C.
Clyde basin
The Clyde basin is the drainage area in west-central Scotland that collects the waters of the River Clyde and its tributaries, encompassing much of the surrounding lowlands and uplands.
-
D.
Norfolk Basin
The Norfolk Basin is an oceanic basin in the southwestern Pacific Ocean, lying west of New Zealand and bounded on one side by the Norfolk Ridge.
-
E.
Bay of Sines
The Bay of Sines is a coastal inlet on Portugal’s Alentejo coast, known for its natural harbor, maritime activities, and views dominated by the historic Sines Castle.
- 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: Portland–Wight Basin Target entity description: The Portland–Wight Basin is a geological sub-basin in southern England, known for its Mesozoic sedimentary sequences and significance in regional hydrocarbon exploration.
-
A.
Annapolis Basin
Annapolis Basin is a sheltered coastal inlet in Nova Scotia, Canada, known for its historical significance as a center of early French Acadian settlement and maritime activity.
-
B.
Cape Basin
The Cape Basin is a deep oceanic basin off the southwestern coast of Africa, forming part of the South Atlantic seafloor and influencing regional ocean circulation and marine ecosystems.
-
C.
Clyde basin
The Clyde basin is the drainage area in west-central Scotland that collects the waters of the River Clyde and its tributaries, encompassing much of the surrounding lowlands and uplands.
-
D.
Norfolk Basin
The Norfolk Basin is an oceanic basin in the southwestern Pacific Ocean, lying west of New Zealand and bounded on one side by the Norfolk Ridge.
-
E.
Bay of Sines
The Bay of Sines is a coastal inlet on Portugal’s Alentejo coast, known for its natural harbor, maritime activities, and views dominated by the historic Sines Castle.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
geological sub-basin
ⓘ
sedimentary basin ⓘ |
| adjacentTo |
Channel Basin
ⓘ
Hampshire Basin ⓘ |
| contains |
marine deposits
ⓘ
non-marine deposits ⓘ |
| containsFormation |
Portland Group
ⓘ
Purbeck Group ⓘ Wealden Group ⓘ
linked to:
Wealden Group of southern England
|
| containsResourceType | hydrocarbons ⓘ |
| containsStratigraphy |
Cretaceous
ⓘ
Jurassic ⓘ Triassic ⓘ |
| country | United Kingdom ⓘ |
| developedDuring |
Jurassic
ⓘ
Late Triassic ⓘ |
| exploredFor |
natural gas
ⓘ
oil ⓘ |
| formedBy | Mesozoic rifting ⓘ |
| geologicalPeriod |
Mesozoic
ⓘ
linked to:
Mesozoic Era
|
| hasBasinType | Mesozoic rift basin ⓘ |
| hasEconomicSignificance | petroleum geology ⓘ |
| hasLithology |
carbonate sediments
ⓘ
clastic sediments ⓘ |
| hasResearchDiscipline |
basin analysis
ⓘ
stratigraphy ⓘ structural geology ⓘ |
| hasSedimentaryFill | thick Mesozoic succession ⓘ |
| hasStructuralStyle |
fault-bounded blocks
ⓘ
tilted fault blocks ⓘ |
| isSubjectOf |
Mesozoic stratigraphic research
ⓘ
regional hydrocarbon exploration studies ⓘ |
| knownFor |
Mesozoic sedimentary sequences
ⓘ
hydrocarbon exploration ⓘ |
| locatedIn |
English Channel region
ⓘ
southern England ⓘ |
| locatedOffshoreOf |
Dorset
ⓘ
Isle of Wight ⓘ |
| namedAfter |
Isle of Portland
ⓘ
Isle of Wight ⓘ |
| overlies | Variscan basement ⓘ |
| partOf |
English Channel basins
ⓘ
linked to:
English Channel
Wessex Basin system ⓘ
linked to:
Wessex Basin
|
| 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: Portland–Wight Basin Description of subject: The Portland–Wight Basin is a geological sub-basin in southern England, known for its Mesozoic sedimentary sequences and significance in regional hydrocarbon exploration.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.