Carn Goedog
E943260
Carn Goedog is a rocky outcrop in the Preseli Hills of Pembrokeshire, Wales, identified as a major source of the bluestone used in the construction of Stonehenge.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Carn Goedog canonical | 3 |
| Carn Meini | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11650023 — 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: Carn Goedog Context triple: [Preseli bluestone, quarriedAt, Carn Goedog]
-
A.
Yr Wyddfa
Yr Wyddfa is the Welsh name for Snowdon, the highest and one of the most iconic mountains in Wales and the entire British Isles.
-
B.
Tregothnan
Tregothnan is a historic country estate in Cornwall, England, renowned as the long-standing seat of the Boscawen family and for housing the first commercial tea plantation in the UK.
-
C.
Moel y Gaer
Moel y Gaer is a prominent hill in northeast Wales known for its Iron Age hillfort and commanding views across the Clwydian Range.
-
D.
Godre'r Graig
Godre'r Graig is a village and electoral ward in the Neath Port Talbot county borough of South Wales.
-
E.
Pen y Fan
Pen y Fan is a prominent mountain in South Wales known for its sweeping views and popularity with hikers and outdoor enthusiasts.
- 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: Carn Goedog Target entity description: Carn Goedog is a rocky outcrop in the Preseli Hills of Pembrokeshire, Wales, identified as a major source of the bluestone used in the construction of Stonehenge.
-
A.
Yr Wyddfa
Yr Wyddfa is the Welsh name for Snowdon, the highest and one of the most iconic mountains in Wales and the entire British Isles.
-
B.
Tregothnan
Tregothnan is a historic country estate in Cornwall, England, renowned as the long-standing seat of the Boscawen family and for housing the first commercial tea plantation in the UK.
-
C.
Moel y Gaer
Moel y Gaer is a prominent hill in northeast Wales known for its Iron Age hillfort and commanding views across the Clwydian Range.
-
D.
Godre'r Graig
Godre'r Graig is a village and electoral ward in the Neath Port Talbot county borough of South Wales.
-
E.
Pen y Fan
Pen y Fan is a prominent mountain in South Wales known for its sweeping views and popularity with hikers and outdoor enthusiasts.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
bluestone source
ⓘ
geological formation ⓘ rocky outcrop ⓘ |
| associatedWith | Stonehenge ⓘ |
| coordinateSystem | located in OS grid reference area of Preseli Hills ⓘ |
| country | United Kingdom ⓘ |
| culturalContext | Neolithic Britain ⓘ |
| distanceTo | approximately 220 km from Stonehenge (by straight line) ⓘ |
| geologicalPeriod | Ordovician ⓘ |
| hasConservationStatus | within protected landscape area ⓘ |
| hasEvidenceFrom |
geochemical analysis
ⓘ
geological field survey ⓘ petrographic analysis ⓘ |
| hasLandscapeFeature |
craggy outcrops
ⓘ
rocky tor ⓘ |
| identifiedAs | major source of Stonehenge bluestones ⓘ |
| languageOfToponym | Welsh ⓘ |
| locatedIn |
Pembrokeshire
ⓘ
Preseli Hills ⓘ Wales ⓘ southwestern Wales ⓘ
linked to:
West Wales
|
| materialUsedFor |
Stonehenge bluestone orthostats
ⓘ
linked to:
Preseli bluestone
|
| near |
Craig Rhos-y-felin
ⓘ
Foel Drygarn ⓘ |
| notableFor | being proposed quarry for Stonehenge bluestones ⓘ |
| partOf |
Mynydd Preseli
ⓘ
Pembrokeshire Coast National Park ⓘ Preseli bluestone outcrops ⓘ |
| region |
west Wales
ⓘ
linked to:
West Wales
|
| researchField |
archaeology
ⓘ
archaeometry ⓘ geology ⓘ |
| rockType |
dolerite
ⓘ
spotted dolerite ⓘ |
| studiedBy |
Richard Bevins
ⓘ
Rob Ixer ⓘ |
| toponymMeaning | possibly "woodland cairn" or "woodland carn" ⓘ |
| usedIn | Neolithic monument construction ⓘ |
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: Carn Goedog Description of subject: Carn Goedog is a rocky outcrop in the Preseli Hills of Pembrokeshire, Wales, identified as a major source of the bluestone used in the construction of Stonehenge.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Carn Goedog