Minas-Rio
E945596
Minas-Rio is a large-scale iron ore mining and pipeline project in Brazil known for supplying high-grade ore to global markets.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Casa de Pedra iron ore mine | 1 |
| Minas-Rio canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11768117 — 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: Minas-Rio Context triple: [Anglo American plc, hasSubsidiary, Minas-Rio]
-
A.
Central Mineira
Central Mineira is a historical region located in the central part of the Brazilian state of Minas Gerais, known for its inland landscapes and mid-sized cities.
-
B.
Grasberg mine
Grasberg mine is one of the world’s largest gold and copper mines, located in the highlands of Papua, Indonesia.
-
C.
Mopani Copper Mines
Mopani Copper Mines is a major Zambian mining company focused on the extraction and processing of copper and cobalt.
-
D.
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.
-
E.
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.
- 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: Minas-Rio Target entity description: Minas-Rio is a large-scale iron ore mining and pipeline project in Brazil known for supplying high-grade ore to global markets.
-
A.
Central Mineira
Central Mineira is a historical region located in the central part of the Brazilian state of Minas Gerais, known for its inland landscapes and mid-sized cities.
-
B.
Grasberg mine
Grasberg mine is one of the world’s largest gold and copper mines, located in the highlands of Papua, Indonesia.
-
C.
Mopani Copper Mines
Mopani Copper Mines is a major Zambian mining company focused on the extraction and processing of copper and cobalt.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
iron ore mining project
ⓘ
mining complex ⓘ |
| acquiredByAngloAmerican | 2008 ⓘ |
| beneficiationProcess | wet beneficiation ⓘ |
| commodity | iron ore ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| developer | Anglo American plc ⓘ |
| environmentalConcern |
impact on local communities
ⓘ
impact on water resources ⓘ |
| environmentalLicenseAuthority | State of Minas Gerais environmental agency ⓘ |
| estimatedCapacity | 26.5 million tonnes per year ⓘ |
| expansionPotential | up to 90 million tonnes per year ⓘ |
| exportMarket |
China
ⓘ
Europe ⓘ global steel industry ⓘ |
| hasComponent |
export port terminal
ⓘ
iron ore beneficiation plant ⓘ open-pit iron ore mine ⓘ slurry pipeline ⓘ |
| knownFor |
high-grade iron ore
ⓘ
long-distance slurry pipeline ⓘ |
| languageOfLocalArea | Portuguese ⓘ |
| locatedIn |
Alvorada de Minas
ⓘ
Conceição do Mato Dentro ⓘ Minas Gerais ⓘ |
| mineType | open-pit mine ⓘ |
| operatedBy | Anglo American plc ⓘ |
| operatorCountry | United Kingdom ⓘ |
| operatorHeadquarters |
London
ⓘ
linked to:
London, England
|
| oreType |
high-grade iron ore
ⓘ
itabirite ⓘ |
| ownedBy | Anglo American plc ⓘ |
| pipelineEndpoint | Port of Açu ⓘ |
| pipelineLength | approximately 529 km ⓘ |
| pipelineType | slurry pipeline ⓘ |
| portLocation | São João da Barra ⓘ |
| portState | Rio de Janeiro ⓘ |
| previousOwner | MMX Mineração e Metálicos ⓘ |
| primaryUseOfOre | steel production ⓘ |
| product |
iron ore
ⓘ
iron ore concentrate ⓘ |
| railConnection | none (uses pipeline instead of rail) ⓘ |
| sector | mining industry ⓘ |
| startOfConstruction | 2007 ⓘ |
| startOfProduction | 2014 ⓘ |
| status | operational ⓘ |
| transportMethod | slurry pipeline ⓘ |
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: Minas-Rio Description of subject: Minas-Rio is a large-scale iron ore mining and pipeline project in Brazil known for supplying high-grade ore to global markets.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Minas-Rio