Arenig quarry
E240843
Arenig quarry is a disused slate quarry in the Arenig Fawr area of Snowdonia, north Wales, historically worked for roofing slate.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Arenig quarry canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2156743 — 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: Arenig quarry Context triple: [Arenig Fawr, locatedNear, Arenig quarry]
-
A.
Old School Quarry
Old School Quarry is a paleontological and archaeological excavation site within South Africa’s Cradle of Humankind World Heritage area, known for its rich fossil deposits that shed light on early human evolution.
-
B.
Arenig Fawr
Arenig Fawr is a prominent mountain in southern Snowdonia, Wales, known for its rugged summit and expansive views over the surrounding uplands and lakes.
-
C.
Blaengwrach
Blaengwrach is a small village and community in the Neath Valley of South Wales, known for its scenic surroundings and former coal mining heritage.
-
D.
Bryn Celli Ddu
Bryn Celli Ddu is a Neolithic passage tomb and ceremonial monument on the island of Anglesey in Wales, noted for its prehistoric burial chamber and alignment with the summer solstice sunrise.
-
E.
Llandovery
Llandovery is a historic market town in Carmarthenshire, Wales, known for its medieval castle ruins and role as a gateway to the Brecon Beacons.
- 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: Arenig quarry Target entity description: Arenig quarry is a disused slate quarry in the Arenig Fawr area of Snowdonia, north Wales, historically worked for roofing slate.
-
A.
Old School Quarry
Old School Quarry is a paleontological and archaeological excavation site within South Africa’s Cradle of Humankind World Heritage area, known for its rich fossil deposits that shed light on early human evolution.
-
B.
Arenig Fawr
Arenig Fawr is a prominent mountain in southern Snowdonia, Wales, known for its rugged summit and expansive views over the surrounding uplands and lakes.
-
C.
Blaengwrach
Blaengwrach is a small village and community in the Neath Valley of South Wales, known for its scenic surroundings and former coal mining heritage.
-
D.
Bryn Celli Ddu
Bryn Celli Ddu is a Neolithic passage tomb and ceremonial monument on the island of Anglesey in Wales, noted for its prehistoric burial chamber and alignment with the summer solstice sunrise.
-
E.
Llandovery
Llandovery is a historic market town in Carmarthenshire, Wales, known for its medieval castle ruins and role as a gateway to the Brecon Beacons.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
disused quarry
ⓘ
slate quarry ⓘ |
| country | Wales ⓘ |
| geologicalSetting | Cambrian and Ordovician slate formations ⓘ |
| heritageType | industrial archaeology site ⓘ |
| historicalUse | roofing slate production ⓘ |
| industry | slate industry ⓘ |
| languageRegion | Welsh-speaking area ⓘ |
| locatedIn |
Arenig Fawr
ⓘ
Snowdonia ⓘ north Wales ⓘ
linked to:
North Wales
|
| locatedNear | Arenig Fawr summit ⓘ |
| materialExtracted | slate ⓘ |
| mountainRange | Arenig range ⓘ |
| partOf |
Snowdonia slate quarrying area
ⓘ
linked to:
Slate Landscape of Northwest Wales
|
| product | roofing slate ⓘ |
| region | Gwynedd ⓘ |
| status | disused ⓘ |
| terrain | mountainous area ⓘ |
| usedFor | roofing materials ⓘ |
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: Arenig quarry Description of subject: Arenig quarry is a disused slate quarry in the Arenig Fawr area of Snowdonia, north Wales, historically worked for roofing slate.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.