American Smelting and Refining Company
E855481
American Smelting and Refining Company (ASARCO) is a major U.S.-based mining, smelting, and refining corporation historically known for its production of copper and other nonferrous metals.
All labels observed (1)
| Label | Occurrences |
|---|---|
| American Smelting and Refining Company canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10325997 — 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: American Smelting and Refining Company Context triple: [Norman B. Ream, boardMemberOf, American Smelting and Refining Company]
-
A.
U. S. Steel Mining
U. S. Steel Mining is a mining subsidiary of United States Steel Corporation that focuses on extracting and supplying raw materials, primarily coal and iron ore, for steel production.
-
B.
Kennecott Copper Corporation
Kennecott Copper Corporation was a major American mining company best known for its large-scale copper operations in the United States and abroad during the 20th century.
-
C.
Union Minerals and Alloys Corporation
Union Minerals and Alloys Corporation was a U.S. scrap and salvage company known for purchasing and dismantling decommissioned naval vessels and other large industrial assets.
-
D.
Bechtel Mining & Metals
Bechtel Mining & Metals is a business unit of Bechtel Corporation that provides engineering, procurement, construction, and project management services for mining and metals projects worldwide.
-
E.
Revere Copper Company
Revere Copper Company is an American industrial firm historically known as one of the earliest and most influential copper rolling and manufacturing companies in the United States.
- 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: American Smelting and Refining Company Target entity description: American Smelting and Refining Company (ASARCO) is a major U.S.-based mining, smelting, and refining corporation historically known for its production of copper and other nonferrous metals.
-
A.
U. S. Steel Mining
U. S. Steel Mining is a mining subsidiary of United States Steel Corporation that focuses on extracting and supplying raw materials, primarily coal and iron ore, for steel production.
-
B.
Kennecott Copper Corporation
Kennecott Copper Corporation was a major American mining company best known for its large-scale copper operations in the United States and abroad during the 20th century.
-
C.
Union Minerals and Alloys Corporation
Union Minerals and Alloys Corporation was a U.S. scrap and salvage company known for purchasing and dismantling decommissioned naval vessels and other large industrial assets.
-
D.
Bechtel Mining & Metals
Bechtel Mining & Metals is a business unit of Bechtel Corporation that provides engineering, procurement, construction, and project management services for mining and metals projects worldwide.
-
E.
Revere Copper Company
Revere Copper Company is an American industrial firm historically known as one of the earliest and most influential copper rolling and manufacturing companies in the United States.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
mining company
ⓘ
refining company ⓘ smelting company ⓘ |
| acquiredBy | Grupo México NERFINISHED ⓘ |
| acquisitionDate | 1999 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| environmentalIssue |
Superfund liability
ⓘ
air pollution ⓘ soil contamination ⓘ |
| formerHeadquartersLocation | New York City NERFINISHED ⓘ |
| foundedBy |
Henry H. Rogers
NERFINISHED
ⓘ
National City Bank interests ⓘ William Rockefeller NERFINISHED ⓘ |
| hasAbbreviation | ASARCO NERFINISHED ⓘ |
| hasMajorCommodity |
copper
ⓘ
molybdenum ⓘ |
| headquartersLocation | Tucson, Arizona NERFINISHED ⓘ |
| historicalRole |
major U.S. copper producer
ⓘ
major U.S. nonferrous metals producer ⓘ |
| historicalStatus | one of the largest U.S. smelting companies ⓘ |
| inception | 1899 ⓘ |
| industry |
copper production
ⓘ
metals ⓘ mining ⓘ nonferrous metals ⓘ |
| legalForm |
corporation
ⓘ
subsidiary ⓘ |
| notableSite |
El Paso Smelter (former operation)
NERFINISHED
ⓘ
Globe Plant, Denver (former operation) NERFINISHED ⓘ Tacoma Smelter (former operation) NERFINISHED ⓘ |
| operatesFacility |
Amarillo copper refinery
NERFINISHED
ⓘ
Hayden Smelter NERFINISHED ⓘ Mission Mine NERFINISHED ⓘ Ray Mine NERFINISHED ⓘ Silver Bell Mine NERFINISHED ⓘ |
| ownsBrand | ASARCO NERFINISHED ⓘ |
| parentOrganization | Grupo México NERFINISHED ⓘ |
| product |
copper
ⓘ
gold ⓘ lead ⓘ silver ⓘ sulfuric acid ⓘ zinc ⓘ |
| servedMarket |
United States
NERFINISHED
ⓘ
global copper market ⓘ |
| shortName | ASARCO NERFINISHED ⓘ |
| stockExchangeListingStatus | delisted ⓘ |
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: American Smelting and Refining Company Description of subject: American Smelting and Refining Company (ASARCO) is a major U.S.-based mining, smelting, and refining corporation historically known for its production of copper and other nonferrous metals.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.