La Escondida copper mine

E215836

copper mine open-pit mine

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.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (8)

Label	Occurrences
Escondida copper mine	5
Escondida Norte pit	2
Escondida copper deposit	1
Escondida copper mine, Chile	1
Escondida mine	1
Escondida mine operations	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 district ⓘ linked to: Escondida
locatedNear	Antofagasta ⓘ
majorityOwner	BHP ⓘ
miningMethod	open-pit mining ⓘ
namedAfter	Escondida orebody ⓘ linked to: La Escondida copper mine
nativeName	Minera Escondida ⓘ
operator	BHP ⓘ
oreType	porphyry copper deposit ⓘ
owner	BHP ⓘ JECO ⓘ JECO 2 ⓘ linked to: JECO 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 2 ⓘ linked to: JECO 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