Great Orme Copper Mines
E334970
Great Orme Copper Mines is an extensive prehistoric copper mining complex in North Wales, renowned as one of the largest Bronze Age mine systems discovered in Europe.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Great Orme Copper Mines canonical | 2 |
| Great Orme Mines Ltd | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3194127 — 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: Great Orme Copper Mines Context triple: [Llandudno, hasAttraction, Great Orme Copper Mines]
-
A.
Penrhyn Slate Quarry
Penrhyn Slate Quarry is a historic and once world-leading slate mine in Bethesda, North Wales, central to the region’s industrial heritage and landscape.
-
B.
Dinorwig Slate Quarry
Dinorwig Slate Quarry is a historic former slate mine in northwest Wales, renowned for its vast industrial landscape and role in the region’s 19th-century slate boom.
-
C.
Nantlle Valley slate quarries
The Nantlle Valley slate quarries are a historic complex of slate mines in northwest Wales, renowned for their role in the region’s industrial heritage and distinctive quarrying landscape.
-
D.
Pwll Du quarries
Pwll Du quarries are historic limestone quarries in South Wales that formed a key part of the Blaenavon area's 18th–19th century iron and industrial operations.
-
E.
Arenig quarry
Arenig quarry is a disused slate quarry in the Arenig Fawr area of Snowdonia, north Wales, historically worked for roofing slate.
- 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: Great Orme Copper Mines Target entity description: Great Orme Copper Mines is an extensive prehistoric copper mining complex in North Wales, renowned as one of the largest Bronze Age mine systems discovered in Europe.
-
A.
Penrhyn Slate Quarry
Penrhyn Slate Quarry is a historic and once world-leading slate mine in Bethesda, North Wales, central to the region’s industrial heritage and landscape.
-
B.
Dinorwig Slate Quarry
Dinorwig Slate Quarry is a historic former slate mine in northwest Wales, renowned for its vast industrial landscape and role in the region’s 19th-century slate boom.
-
C.
Nantlle Valley slate quarries
The Nantlle Valley slate quarries are a historic complex of slate mines in northwest Wales, renowned for their role in the region’s industrial heritage and distinctive quarrying landscape.
-
D.
Pwll Du quarries
Pwll Du quarries are historic limestone quarries in South Wales that formed a key part of the Blaenavon area's 18th–19th century iron and industrial operations.
-
E.
Arenig quarry
Arenig quarry is a disused slate quarry in the Arenig Fawr area of Snowdonia, north Wales, historically worked for roofing slate.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
archaeological site
ⓘ
prehistoric copper mine ⓘ tourist attraction ⓘ |
| approximateArea | several hectares ⓘ |
| conservationStatus | protected archaeological landscape ⓘ |
| country | United Kingdom ⓘ |
| discovered | 1987 ⓘ |
| estimatedWorkingsLength | several kilometres of tunnels ⓘ |
| hasArchaeologicalFind |
antler picks
ⓘ
bone tools ⓘ smelting evidence ⓘ stone hammers ⓘ |
| hasFeature |
extensive network of prehistoric tunnels
ⓘ
surface excavations ⓘ underground tour route ⓘ visitor centre ⓘ |
| hasTouristActivity |
guided underground tours
ⓘ
self-guided surface walks ⓘ |
| heritageDesignation | Scheduled Monument ⓘ |
| knownFor |
Bronze Age copper mining
ⓘ
being one of the largest Bronze Age copper mine systems in Europe ⓘ extensive prehistoric underground workings ⓘ |
| languageOfLocalArea |
English
ⓘ
Welsh ⓘ |
| locatedIn |
Conwy County Borough
ⓘ
Great Orme ⓘ Llandudno ⓘ North Wales ⓘ United Kingdom ⓘ Wales ⓘ |
| materialExtracted | copper ore ⓘ |
| near |
Irish Sea
ⓘ
Llandudno Bay ⓘ |
| openedToPublic | 1991 ⓘ |
| openToPublic | true ⓘ |
| operatedBy |
Great Orme Copper Mines
self-linksurface differs
ⓘ
surface form:
Great Orme Mines Ltd
|
| partOf |
Great Orme
ⓘ
surface form:
Great Orme headland
|
| period |
Bronze Age
ⓘ
Late Neolithic ⓘ |
| region | Europe ⓘ |
| researchField |
archaeology
ⓘ
prehistoric mining studies ⓘ |
| safetyCertification | managed visitor access with safety measures ⓘ |
| significance |
important for understanding Bronze Age trade networks in Europe
ⓘ
major evidence for early large-scale metal production in Britain ⓘ |
| usedMiningTechnique |
fire-setting
ⓘ
stone hammering ⓘ |
| website | https://www.greatormemines.info/ ⓘ |
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: Great Orme Copper Mines Description of subject: Great Orme Copper Mines is an extensive prehistoric copper mining complex in North Wales, renowned as one of the largest Bronze Age mine systems discovered in Europe.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Great Orme Mines Ltd