Waikato coal measures
E466631
The Waikato coal measures are a geological formation in New Zealand comprising coal-bearing sedimentary rocks that underlie parts of the North Island, including the area beneath the Auckland volcanic field.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Waikato coal basin | 1 |
| Waikato coal measures canonical | 1 |
| Waikato coalfield | 1 |
| Waikato coalfields | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4747968 — 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: Waikato coal measures Context triple: [Auckland volcanic field, overlies, Waikato coal measures]
-
A.
Wairau Valley
Wairau Valley is a prominent subregion of New Zealand’s Marlborough wine country, renowned for producing vibrant, aromatic Sauvignon Blanc and other cool-climate wines.
-
B.
Matamata-Piako District
Matamata-Piako District is a predominantly rural local government area in New Zealand’s North Island, known for dairy farming, horticulture, and the town of Matamata near the Hobbiton movie set.
-
C.
Te Kauwhata
Te Kauwhata is a small rural township in New Zealand’s Waikato region, known for its vineyards, agriculture, and location between Hamilton and Auckland.
-
D.
Waitomo District
Waitomo District is a rural local government area on New Zealand’s North Island, best known for its extensive cave systems and glowworm-lit underground attractions.
-
E.
Wairarapa
Wairarapa is a rural region in the southeastern part of New Zealand’s North Island, known for its vineyards, farming communities, and scenic landscapes.
- 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: Waikato coal measures Target entity description: The Waikato coal measures are a geological formation in New Zealand comprising coal-bearing sedimentary rocks that underlie parts of the North Island, including the area beneath the Auckland volcanic field.
-
A.
Wairau Valley
Wairau Valley is a prominent subregion of New Zealand’s Marlborough wine country, renowned for producing vibrant, aromatic Sauvignon Blanc and other cool-climate wines.
-
B.
Matamata-Piako District
Matamata-Piako District is a predominantly rural local government area in New Zealand’s North Island, known for dairy farming, horticulture, and the town of Matamata near the Hobbiton movie set.
-
C.
Te Kauwhata
Te Kauwhata is a small rural township in New Zealand’s Waikato region, known for its vineyards, agriculture, and location between Hamilton and Auckland.
-
D.
Waitomo District
Waitomo District is a rural local government area on New Zealand’s North Island, best known for its extensive cave systems and glowworm-lit underground attractions.
-
E.
Wairarapa
Wairarapa is a rural region in the southeastern part of New Zealand’s North Island, known for its vineyards, farming communities, and scenic landscapes.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
coal-bearing sedimentary sequence
ⓘ
geological formation ⓘ |
| containsResource |
lignite
ⓘ
sub-bituminous coal ⓘ |
| country | New Zealand ⓘ |
| coveredBy | Quaternary deposits ⓘ |
| depositionalEnvironment |
coastal plain
ⓘ
deltaic ⓘ fluvial ⓘ |
| economicUse | coal mining ⓘ |
| foundInBasin |
Huntly coalfield area
ⓘ
Waikato coal basin ⓘ
linked to:
Waikato coal measures
|
| geologicalAge |
Late Eocene
ⓘ
linked to:
Eocene
Oligocene ⓘ |
| hasStratigraphicUnitType | formation ⓘ |
| lithology |
coal seams
ⓘ
conglomerate ⓘ mudstone ⓘ sandstone ⓘ siltstone ⓘ |
| locatedIn |
North Island
ⓘ
Waikato region ⓘ
linked to:
Waikato Region
|
| namedAfter | Waikato ⓘ |
| overlainBy |
Auckland volcanic rocks
ⓘ
Neogene sedimentary rocks ⓘ |
| partOf |
New Zealand sedimentary basins
ⓘ
linked to:
Taranaki Basin
|
| region |
Auckland region
ⓘ
linked to:
Auckland Region
Waikato District ⓘ |
| significance | major coal-bearing unit of the North Island ⓘ |
| underlies |
Auckland volcanic field
ⓘ
Waikato coalfields ⓘ
linked to:
Waikato coal measures
parts of the South Auckland region ⓘ |
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: Waikato coal measures Description of subject: The Waikato coal measures are a geological formation in New Zealand comprising coal-bearing sedimentary rocks that underlie parts of the North Island, including the area beneath the Auckland volcanic field.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Waikato coal measures
linked to: Waikato coal measures