Teck Trail Operations
E311487
Teck Trail Operations is one of the world’s largest fully integrated zinc and lead smelting and refining complexes, located in Trail, British Columbia and operated by Teck Resources.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Teck Trail Operations canonical | 2 |
| Teck smelter in Trail | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2935392 — 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: Teck Trail Operations Context triple: [Trail, British Columbia, hasFacility, Teck Trail Operations]
-
A.
Mmakau Mining
Mmakau Mining is a South African mining company known for its black female leadership and involvement in various mineral resource projects across the country.
-
B.
Northesk
Northesk is the territorial designation associated with the Scottish peerage title Earl of Northesk, historically linked to the Carnegie family.
-
C.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
D.
Dakota Creek Industries
Dakota Creek Industries is an American shipbuilding company known for constructing specialized research and commercial vessels, including U.S. Navy oceanographic ships.
-
E.
Tilly Foster Mine
Tilly Foster Mine is a historic iron ore mine in Putnam County, New York, noted for its rich mineral deposits and role in the region’s 19th-century 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: Teck Trail Operations Target entity description: Teck Trail Operations is one of the world’s largest fully integrated zinc and lead smelting and refining complexes, located in Trail, British Columbia and operated by Teck Resources.
-
A.
Mmakau Mining
Mmakau Mining is a South African mining company known for its black female leadership and involvement in various mineral resource projects across the country.
-
B.
Northesk
Northesk is the territorial designation associated with the Scottish peerage title Earl of Northesk, historically linked to the Carnegie family.
-
C.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
D.
Dakota Creek Industries
Dakota Creek Industries is an American shipbuilding company known for constructing specialized research and commercial vessels, including U.S. Navy oceanographic ships.
-
E.
Tilly Foster Mine
Tilly Foster Mine is a historic iron ore mine in Putnam County, New York, noted for its rich mineral deposits and role in the region’s 19th-century mining industry.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
industrial facility
ⓘ
smelter and refinery complex ⓘ |
| city | Trail ⓘ |
| country | Canada ⓘ |
| employer | industrial workforce in Trail ⓘ |
| formerlyKnownAs |
Cominco smelter
ⓘ
linked to:
Cominco
|
| hasCertification |
ISO 14001 environmental management certification
ⓘ
linked to:
ISO 14001
OHS management certifications ⓘ |
| hasEnvironmentalIssueHistory | legacy soil and dust contamination in Trail area ⓘ |
| hasEnvironmentalProgram |
air quality management
ⓘ
soil remediation ⓘ water treatment ⓘ |
| hasNearbyCommunityProgram | Trail Area Health & Environment Program ⓘ |
| hasPart |
electrolytic zinc plant
ⓘ
lead smelter ⓘ power plant ⓘ refinery ⓘ wastewater treatment facilities ⓘ zinc smelter ⓘ |
| heritage | one of the world’s largest fully integrated zinc and lead smelting and refining complexes ⓘ |
| implements |
community health monitoring programs
ⓘ
emissions reduction technologies ⓘ |
| inception | early 20th century ⓘ |
| industry |
metals and mining
ⓘ
non-ferrous metal smelting ⓘ |
| locatedIn |
Trail, British Columbia, Canada
ⓘ
linked to:
Trail, British Columbia
|
| locatedOn | Columbia River ⓘ |
| operator |
Teck Resources Limited
ⓘ
linked to:
Cominco
|
| owner |
Teck Resources Limited
ⓘ
linked to:
Cominco
|
| parentCompanyHeadquarters |
Vancouver, British Columbia, Canada
ⓘ
linked to:
Vancouver
|
| partOf | Teck Resources zinc business ⓘ |
| product |
fertilizer
ⓘ
germanium ⓘ indium ⓘ lead ⓘ silver ⓘ sulphuric acid ⓘ zinc ⓘ |
| province | British Columbia ⓘ |
| significantFor |
lead production
ⓘ
metal recycling ⓘ zinc production ⓘ |
| strategicImportance |
major North American lead producer
ⓘ
major North American zinc producer ⓘ |
| usesProcess |
electrolytic refining
ⓘ
hydrometallurgy ⓘ roasting ⓘ smelting ⓘ |
| website | https://www.teck.com/operations/canada/operations/trail-operations ⓘ |
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: Teck Trail Operations Description of subject: Teck Trail Operations is one of the world’s largest fully integrated zinc and lead smelting and refining complexes, located in Trail, British Columbia and operated by Teck Resources.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Teck Trail Operations