Hambach open-pit mine
E613500
The Hambach open-pit mine is one of Germany’s largest lignite (brown coal) surface mines, known for its significant environmental impact and role in debates over coal use and climate policy.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Hambach open-pit lignite mine | 1 |
| Hambach open-pit mine canonical | 1 |
| Rhenish lignite mining district | 1 |
| Tagebau Zwenkau | 1 |
| Zeche Nordstern | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6713023 — 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: Hambach open-pit mine Context triple: [Kerpen, locatedNear, Hambach open-pit mine]
-
A.
Amrun Mine
Amrun Mine is a major bauxite mining operation in northern Queensland, Australia, developed by Rio Tinto as part of the broader Weipa mining region.
-
B.
Andoom Mine
Andoom Mine is a major bauxite mining operation near Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
-
C.
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.
-
D.
Los Pelambres mine
Los Pelambres mine is a large open-pit copper and molybdenum mining operation located in the Coquimbo Region of Chile and operated by Antofagasta plc.
-
E.
South Field lignite mine
The South Field lignite mine is a major open-pit coal mining operation in the Kozani regional unit of Greece, supporting nearby power plants and regional energy production.
- 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: Hambach open-pit mine Target entity description: The Hambach open-pit mine is one of Germany’s largest lignite (brown coal) surface mines, known for its significant environmental impact and role in debates over coal use and climate policy.
-
A.
Amrun Mine
Amrun Mine is a major bauxite mining operation in northern Queensland, Australia, developed by Rio Tinto as part of the broader Weipa mining region.
-
B.
Andoom Mine
Andoom Mine is a major bauxite mining operation near Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
-
C.
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.
-
D.
Los Pelambres mine
Los Pelambres mine is a large open-pit copper and molybdenum mining operation located in the Coquimbo Region of Chile and operated by Antofagasta plc.
-
E.
South Field lignite mine
The South Field lignite mine is a major open-pit coal mining operation in the Kozani regional unit of Greece, supporting nearby power plants and regional energy production.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
open-pit lignite mine
ⓘ
surface mine ⓘ |
| adjacentTo |
Hambach Forest
ⓘ
linked to:
Arnsberg Forest
|
| associatedWith |
German coal phase-out policy
ⓘ
climate change debate ⓘ environmental protests ⓘ |
| causedResettlementOf |
Manheim
ⓘ
Morschenich ⓘ |
| country | Germany ⓘ |
| depth | over 400 metres ⓘ |
| energyPolicyContext | German Energiewende ⓘ |
| energySourceFor | lignite-fired power plants in North Rhine-Westphalia ⓘ |
| fuelSupplyFor |
Neurath Power Station
ⓘ
Niederaußem Power Station ⓘ |
| hasEnvironmentalImpact |
CO2 emissions from lignite combustion
ⓘ
deforestation ⓘ groundwater lowering ⓘ landscape destruction ⓘ |
| hasFeature | large bucket-wheel excavators ⓘ |
| hasImpactOn |
local air quality
ⓘ
local biodiversity ⓘ regional water table ⓘ |
| hasType | open-cast mine ⓘ |
| locatedIn |
Cologne Lowland
ⓘ
North Rhine-Westphalia ⓘ Rhein-Erft-Kreis ⓘ Rhineland lignite mining area ⓘ
linked to:
Rhenish lignite mining area
|
| mines |
brown coal
ⓘ
lignite ⓘ |
| near |
Elsdorf
ⓘ
Eschweiler ⓘ Jülich ⓘ Niederzier ⓘ |
| notableFor |
being one of the largest open-pit lignite mines in Europe
ⓘ
controversy over coal use in Germany ⓘ large-scale resettlement of local villages ⓘ |
| operatedBy |
RWE Power AG
ⓘ
linked to:
RWE
|
| ownedBy | RWE ⓘ |
| partOf |
Rhenish lignite mining district
ⓘ
linked to:
Rhenish lignite mining area
|
| plannedPhaseDown | in line with German coal exit timetable ⓘ |
| regulationBy |
German mining law
ⓘ
North Rhine-Westphalia state authorities ⓘ
linked to:
Government of North Rhine-Westphalia
|
| startOfOperation | 1978 ⓘ |
| subjectOf |
anti-coal activism
ⓘ
climate justice campaigns ⓘ legal disputes over forest clearance ⓘ |
| threatened | Hambach Forest ⓘ |
| transportInfrastructure |
conveyor belt systems for lignite
ⓘ
dedicated rail connections for coal transport ⓘ |
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: Hambach open-pit mine Description of subject: The Hambach open-pit mine is one of Germany’s largest lignite (brown coal) surface mines, known for its significant environmental impact and role in debates over coal use and climate policy.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Hambach open-pit mine
linked to: Hambach open-pit mine
linked to: Hambach open-pit mine
linked to: Hambach open-pit mine