El Teniente mine
E96417
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| El Teniente copper mine | 2 |
| El Teniente mine canonical | 2 |
| El Teniente copper deposit | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T798426 — 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: El Teniente mine Context triple: [O’Higgins Region, hasNotableMine, El Teniente mine]
-
A.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
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.
Coarsegold
Coarsegold is a small unincorporated community in central California, known historically as a Gold Rush-era mining town and now as a gateway stop on the route to Yosemite National Park.
-
D.
Comstock Lode area
The Comstock Lode area is a historically significant mining district in Nevada famed for its rich silver ore deposits that spurred a major 19th-century mining boom and helped drive U.S. economic growth.
-
E.
Kinross
Kinross is a small historic town in Perth and Kinross, Scotland, situated near Loch Leven and known as a gateway between central Scotland and the Highlands.
- 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: El Teniente mine Target entity description: 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.
-
A.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
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.
Coarsegold
Coarsegold is a small unincorporated community in central California, known historically as a Gold Rush-era mining town and now as a gateway stop on the route to Yosemite National Park.
-
D.
Comstock Lode area
The Comstock Lode area is a historically significant mining district in Nevada famed for its rich silver ore deposits that spurred a major 19th-century mining boom and helped drive U.S. economic growth.
-
E.
Kinross
Kinross is a small historic town in Perth and Kinross, Scotland, situated near Loch Leven and known as a gateway between central Scotland and the Highlands.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
copper mine
ⓘ
mining operation ⓘ underground mine ⓘ |
| codelcoDivision |
Codelco
ⓘ
surface form:
Codelco División El Teniente
|
| continent | South America ⓘ |
| country | Chile ⓘ |
| currentOwner | Codelco ⓘ |
| discoveredInCentury | 19th century ⓘ |
| earlyExploitationBy | private Chilean companies ⓘ |
| economicImportance |
important source of export revenue for Chile
ⓘ
major contributor to Chilean copper production ⓘ |
| employs | thousands of workers ⓘ |
| environmentalManagement | subject to Chilean environmental regulations ⓘ |
| geologicalSetting |
Andean porphyry copper belt
ⓘ
surface form:
Andean copper belt
|
| hasInfrastructure |
extensive underground tunnel network
ⓘ
ore handling system ⓘ underground rail system ⓘ |
| hasType | large-scale industrial mine ⓘ |
| industry | mining industry ⓘ |
| languageOfWorkEnvironment | Spanish ⓘ |
| laterOwnedBy |
Braden Copper Company
ⓘ
Kennecott Copper Corporation ⓘ |
| locatedIn |
O’Higgins Region
ⓘ
surface form:
O'Higgins Region
|
| locatedInMountainRange | Andes ⓘ |
| locatedNear | Rancagua ⓘ |
| mineralType | porphyry copper deposit ⓘ |
| miningMethod |
panel caving
ⓘ
underground mining ⓘ |
| nationalization | nationalized by Chile in 1971 ⓘ |
| nearCity | Rancagua ⓘ |
| notableFor |
large underground workings
ⓘ
long history of copper production ⓘ |
| operator | Codelco ⓘ |
| ownedBy |
Codelco
ⓘ
Government of Chile ⓘ |
| primaryCommodity | copper concentrate ⓘ |
| processingFacility |
Concentrator plant
ⓘ
Refinery ⓘ Smelter ⓘ |
| product |
copper
ⓘ
gold ⓘ molybdenum ⓘ silver ⓘ |
| regionCapitalNearby | Rancagua ⓘ |
| safetyConcern | underground mining hazards ⓘ |
| significance | one of the world’s largest underground copper mines ⓘ |
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: El Teniente mine Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
El Teniente copper deposit
this entity surface form:
El Teniente copper mine