Grasberg mine
E609139
Grasberg mine is one of the world’s largest gold and copper mines, located in the highlands of Papua, Indonesia.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Grasberg mine canonical | 2 |
| Freeport mine | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6654059 — 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: Grasberg mine Context triple: [Puncak Jaya, nearbyMine, Grasberg mine]
-
A.
Ok Tedi Mine
Ok Tedi Mine is a large open-pit copper and gold mine in Papua New Guinea, widely known for its significant environmental impacts on the surrounding river systems and communities.
-
B.
Kimberley Mine
Kimberley Mine is a famous South African open-pit diamond mine renowned as one of the earliest and largest diamond discoveries in the world.
-
C.
Falun Copper Mine
Falun Copper Mine is a historic Swedish mining site in Dalarna, once one of Europe’s most important copper producers and now preserved as a UNESCO World Heritage Site.
-
D.
East Weipa Mine
East Weipa Mine is a major bauxite mining operation near the town of Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
-
E.
Andoom Mine
Andoom Mine is a major bauxite mining operation near Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
- 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: Grasberg mine Target entity description: Grasberg mine is one of the world’s largest gold and copper mines, located in the highlands of Papua, Indonesia.
-
A.
Ok Tedi Mine
Ok Tedi Mine is a large open-pit copper and gold mine in Papua New Guinea, widely known for its significant environmental impacts on the surrounding river systems and communities.
-
B.
Kimberley Mine
Kimberley Mine is a famous South African open-pit diamond mine renowned as one of the earliest and largest diamond discoveries in the world.
-
C.
Falun Copper Mine
Falun Copper Mine is a historic Swedish mining site in Dalarna, once one of Europe’s most important copper producers and now preserved as a UNESCO World Heritage Site.
-
D.
East Weipa Mine
East Weipa Mine is a major bauxite mining operation near the town of Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
-
E.
Andoom Mine
Andoom Mine is a major bauxite mining operation near Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
copper mine
ⓘ
gold mine ⓘ open-pit mine ⓘ |
| concessionHolder | PT Freeport Indonesia NERFINISHED ⓘ |
| continent | Asia ⓘ |
| country | Indonesia ⓘ |
| discoveredBy | Jean Jacques Dozy NERFINISHED ⓘ |
| discoveryYear | 1936 ⓘ |
| elevation | over 4000 meters above sea level ⓘ |
| environmentalIssue | tailings disposal impacts ⓘ |
| exportProduct |
copper concentrate
ⓘ
gold concentrate ⓘ |
| geologicalSetting | Sudirman Range NERFINISHED ⓘ |
| hasLaborForce | thousands of workers ⓘ |
| hasProcessingFacility | concentrator plant ⓘ |
| hasSmelterAgreementWith | PT Smelting Gresik NERFINISHED ⓘ |
| hasUndergroundMine |
Big Gossan
NERFINISHED
ⓘ
Deep Ore Zone NERFINISHED ⓘ Grasberg Block Cave NERFINISHED ⓘ |
| knownFor |
being one of the world’s largest copper mines
ⓘ
being one of the world’s largest gold mines ⓘ |
| locatedIn |
Jayawijaya Mountains
NERFINISHED
ⓘ
New Guinea NERFINISHED ⓘ Papua NERFINISHED ⓘ |
| locatedInProvince | Papua Province NERFINISHED ⓘ |
| locatedInRegency | Mimika Regency NERFINISHED ⓘ |
| locatedNear | Tembagapura NERFINISHED ⓘ |
| majorShareholder |
Freeport-McMoRan
NERFINISHED
ⓘ
Government of Indonesia NERFINISHED ⓘ |
| miningMethod |
open-pit mining
ⓘ
underground mining ⓘ |
| nearCity | Timika NERFINISHED ⓘ |
| operator | PT Freeport Indonesia NERFINISHED ⓘ |
| oreProcessedAs | concentrate ⓘ |
| oreType | porphyry copper-gold deposit ⓘ |
| owner | PT Freeport Indonesia NERFINISHED ⓘ |
| product |
copper
ⓘ
gold ⓘ silver ⓘ |
| region | Highlands of Papua NERFINISHED ⓘ |
| replaced | Ertsberg mine NERFINISHED ⓘ |
| securityIssue | presence of Indonesian military ⓘ |
| socialIssue | conflicts with local communities ⓘ |
| startOfOperation | 1990 ⓘ |
| strategicImportance | major source of export revenue for Indonesia ⓘ |
| transportInfrastructure |
access road from Timika
ⓘ
aerial tramways ⓘ |
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: Grasberg mine Description of subject: Grasberg mine is one of the world’s largest gold and copper mines, located in the highlands of Papua, Indonesia.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Freeport mine