Centinela mine
E729366
Centinela mine is a large copper and gold mining operation in Chile’s Antofagasta Region, known as one of the key assets in Antofagasta plc’s production portfolio.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Centinela mine canonical | 1 |
| Esperanza mine | 1 |
| Minera Centinela | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8353318 — 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: Centinela mine Context triple: [Antofagasta plc, hasOperationIn, Centinela mine]
-
A.
Santa Bárbara mine
Santa Bárbara mine is a historic mercury mine near Huancavelica in Peru, once one of the most important sources of mercury for Spanish colonial silver mining.
-
B.
Chiflón del Diablo mine
The Chiflón del Diablo mine is a historic coal mine in Lota, Chile, now a cultural and tourist site known for its underground tours and role in the country’s industrial heritage.
-
C.
Andina mine
Andina mine is a major Chilean copper mining operation owned by the state-run company Codelco.
-
D.
Dolores Mine
Dolores Mine is a historic silver mine in Mineral del Monte, Mexico, now preserved as a cultural and tourist site showcasing the region’s mining heritage.
-
E.
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.
- 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: Centinela mine Target entity description: Centinela mine is a large copper and gold mining operation in Chile’s Antofagasta Region, known as one of the key assets in Antofagasta plc’s production portfolio.
-
A.
Santa Bárbara mine
Santa Bárbara mine is a historic mercury mine near Huancavelica in Peru, once one of the most important sources of mercury for Spanish colonial silver mining.
-
B.
Chiflón del Diablo mine
The Chiflón del Diablo mine is a historic coal mine in Lota, Chile, now a cultural and tourist site known for its underground tours and role in the country’s industrial heritage.
-
C.
Andina mine
Andina mine is a major Chilean copper mining operation owned by the state-run company Codelco.
-
D.
Dolores Mine
Dolores Mine is a historic silver mine in Mineral del Monte, Mexico, now preserved as a cultural and tourist site showcasing the region’s mining heritage.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
copper mine
ⓘ
gold mine ⓘ |
| climate | arid ⓘ |
| commodity |
copper
ⓘ
gold ⓘ molybdenum by-product ⓘ |
| country | Chile ⓘ |
| employerIn | Antofagasta Region ⓘ |
| exportedVia |
Pacific Ocean ports of northern Chile
ⓘ
linked to:
Pacific coast of Chile
|
| formedBy | integration of Esperanza and El Tesoro operations ⓘ |
| hasInfrastructure |
SX-EW plant
ⓘ
concentrator plant ⓘ mine camp ⓘ tailings storage facility ⓘ |
| hasOwner | Antofagasta plc ⓘ |
| industry | mining industry ⓘ |
| locatedIn |
Antofagasta Region
ⓘ
Atacama Desert ⓘ northern Chile ⓘ |
| mineType | open-pit mine ⓘ |
| operatedBy |
Antofagasta Minerals
ⓘ
linked to:
Antofagasta plc
|
| operatorHeadquarters |
Santiago, Chile
ⓘ
linked to:
Santiago (Chile)
|
| oreType |
oxide ore
ⓘ
sulphide ore ⓘ |
| ownedBy | Antofagasta plc ⓘ |
| partOf | Antofagasta plc portfolio ⓘ |
| previousName |
El Tesoro mine
ⓘ
Esperanza mine ⓘ
linked to:
Centinela mine
|
| primaryMetal | copper ⓘ |
| processingMethod |
SX-EW
ⓘ
conventional flotation ⓘ heap leaching ⓘ |
| produces |
cathode copper
ⓘ
copper concentrate ⓘ |
| product |
copper
ⓘ
gold ⓘ molybdenum ⓘ |
| region |
Norte Grande of Chile
ⓘ
linked to:
Chilean Norte Grande
|
| resourceType | porphyry copper deposit ⓘ |
| secondaryMetal |
gold
ⓘ
molybdenum ⓘ |
| significance |
key asset for Antofagasta plc
ⓘ
major copper producer in Chile ⓘ |
| stockExchangeExposure |
London Stock Exchange via Antofagasta plc
ⓘ
linked to:
London Stock Exchange
|
| strategicImportance | contributes significantly to Antofagasta plc copper output ⓘ |
| transport | concentrate pipeline to port ⓘ |
| waterManagement | seawater use for processing ⓘ |
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: Centinela mine Description of subject: Centinela mine is a large copper and gold mining operation in Chile’s Antofagasta Region, known as one of the key assets in Antofagasta plc’s production portfolio.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Centinela mine
linked to: Centinela mine