La Escondida copper mine
E215836
La Escondida copper mine is the world’s largest copper-producing mine, located in Chile’s Atacama Desert and a major contributor to global copper supply.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Escondida Norte pit | 1 |
| Escondida copper deposit | 1 |
| Escondida orebody | 1 |
| La Escondida copper mine canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1913371 — 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: La Escondida copper mine Context triple: [Antofagasta Region, hasMajorMine, La Escondida copper mine]
-
A.
San José mine
San José mine is a historic silver and tin mine located near the city of Oruro in Bolivia, known for its long-standing role in the region’s mining industry.
-
B.
El Teniente mine
El Teniente mine is one of the world’s largest underground copper mines, located in central Chile and operated by the state-owned company Codelco.
-
C.
Los Pelambres mine
Los Pelambres mine is a large open-pit copper and molybdenum mining operation located in the Coquimbo Region of Chile and operated by Antofagasta plc.
-
D.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
E.
Chuquicamata mine
Chuquicamata mine is one of the world’s largest open-pit copper mines, located in northern Chile’s Atacama Desert and a major source of global copper 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: La Escondida copper mine Target entity description: La Escondida copper mine is the world’s largest copper-producing mine, located in Chile’s Atacama Desert and a major contributor to global copper supply.
-
A.
San José mine
San José mine is a historic silver and tin mine located near the city of Oruro in Bolivia, known for its long-standing role in the region’s mining industry.
-
B.
El Teniente mine
El Teniente mine is one of the world’s largest underground copper mines, located in central Chile and operated by the state-owned company Codelco.
-
C.
Los Pelambres mine
Los Pelambres mine is a large open-pit copper and molybdenum mining operation located in the Coquimbo Region of Chile and operated by Antofagasta plc.
-
D.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
E.
Chuquicamata mine
Chuquicamata mine is one of the world’s largest open-pit copper mines, located in northern Chile’s Atacama Desert and a major source of global copper production.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
copper mine
ⓘ
open-pit mine ⓘ |
| commodity |
cathode copper
ⓘ
copper concentrate ⓘ |
| continent | South America ⓘ |
| country | Chile ⓘ |
| discoveryYear | 1981 ⓘ |
| distanceFromCity | about 170 km southeast of Antofagasta ⓘ |
| elevation | approximately 3100 meters above sea level ⓘ |
| employerInRegion | Antofagasta Region ⓘ |
| hasEconomicImpact | major source of export revenue for Chile ⓘ |
| hasEnvironmentalImpact | large-scale open-pit mining disturbance ⓘ |
| hasFacility |
concentrator plants
ⓘ
desalination plant ⓘ leach pads ⓘ tailings storage facility ⓘ |
| hasLanguageOfWorkOrName | Spanish ⓘ |
| locatedIn |
Antofagasta Region
ⓘ
Atacama Desert ⓘ Escondida ⓘ
surface form:
Escondida district
|
| locatedNear | Antofagasta ⓘ |
| majorityOwner | BHP ⓘ |
| miningMethod | open-pit mining ⓘ |
| namedAfter |
La Escondida copper mine
self-linksurface differs
ⓘ
surface form:
Escondida orebody
|
| nativeName | Minera Escondida ⓘ |
| operator | BHP ⓘ |
| oreType | porphyry copper deposit ⓘ |
| owner |
BHP
ⓘ
JECO ⓘ JECO ⓘ
surface form:
JECO 2
Rio Tinto ⓘ |
| partOf | global copper supply chain ⓘ |
| processingMethod |
concentrator
ⓘ
electrowinning ⓘ oxide leaching ⓘ solvent extraction ⓘ |
| product |
copper
ⓘ
gold ⓘ silver ⓘ |
| regulator | Government of Chile ⓘ |
| sector | mining industry ⓘ |
| shareholder |
JECO
ⓘ
JECO ⓘ
surface form:
JECO 2
Rio Tinto ⓘ |
| significance |
major contributor to global copper supply
ⓘ
world’s largest copper-producing mine ⓘ |
| startOfOperation | 1990 ⓘ |
| usesWaterSource | desalinated seawater ⓘ |
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: La Escondida copper mine Description of subject: La Escondida copper mine is the world’s largest copper-producing mine, located in Chile’s Atacama Desert and a major contributor to global copper supply.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Escondida copper deposit
this entity surface form:
Escondida orebody