Zwenkau open-cast mine (former)
E717329
The former Zwenkau open-cast mine was a large lignite (brown coal) surface mining site in Saxony, Germany, that has since been closed and partly transformed into a lake and recreational landscape.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Zwenkau open-cast mine (former) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8147795 — 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: Zwenkau open-cast mine (former) Context triple: [Zwenkau, near, Zwenkau open-cast mine (former)]
-
A.
Hambach open-pit mine
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.
-
B.
Usibelli Coal Mine
Usibelli Coal Mine is Alaska’s largest coal mining operation, known for supplying coal to local power plants and for export from its surface mines near Healy.
-
C.
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.
-
D.
Buckhaven mining area
Buckhaven mining area is a historic coal mining district in Buckhaven, Fife, Scotland, once part of the region’s extensive industrial coal production.
-
E.
Hull–Rust–Mahoning Open Pit Iron Mine
The Hull–Rust–Mahoning Open Pit Iron Mine is one of the world’s largest open-pit iron ore mines and a historically significant mining site on Minnesota’s Mesabi Range.
- 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: Zwenkau open-cast mine (former) Target entity description: The former Zwenkau open-cast mine was a large lignite (brown coal) surface mining site in Saxony, Germany, that has since been closed and partly transformed into a lake and recreational landscape.
-
A.
Hambach open-pit mine
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.
-
B.
Usibelli Coal Mine
Usibelli Coal Mine is Alaska’s largest coal mining operation, known for supplying coal to local power plants and for export from its surface mines near Healy.
-
C.
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.
-
D.
Buckhaven mining area
Buckhaven mining area is a historic coal mining district in Buckhaven, Fife, Scotland, once part of the region’s extensive industrial coal production.
-
E.
Hull–Rust–Mahoning Open Pit Iron Mine
The Hull–Rust–Mahoning Open Pit Iron Mine is one of the world’s largest open-pit iron ore mines and a historically significant mining site on Minnesota’s Mesabi Range.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
former open-cast lignite mine
ⓘ
surface mine ⓘ |
| country | Germany NERFINISHED ⓘ |
| currentLandUse |
nature and landscape conservation area
ⓘ
recreational area ⓘ water sports area ⓘ |
| energySector | lignite-based power generation ⓘ |
| environmentalImpact |
groundwater changes
ⓘ
landscape alteration ⓘ |
| formerLandUse | industrial mining area ⓘ |
| hasHazard |
ground subsidence (historical)
ⓘ
slope instability (historical) ⓘ |
| hasTransformationType |
lake reclamation project
ⓘ
post-mining landscape ⓘ |
| hasUse |
energy production (historical)
ⓘ
landscape lake (current) ⓘ recreation area (current) ⓘ |
| industry | coal mining industry ⓘ |
| locatedIn |
Leipzig district
NERFINISHED
ⓘ
Saxony NERFINISHED ⓘ eastern Germany ⓘ |
| locatedInRegion |
Central German Lake District
NERFINISHED
ⓘ
Leipzig New Lakeland NERFINISHED ⓘ |
| locatedNear | town of Zwenkau ⓘ |
| minedResource |
brown coal
ⓘ
lignite ⓘ |
| miningMethod | open-cast mining ⓘ |
| partlyTransformedInto |
Zwenkauer See
NERFINISHED
ⓘ
artificial lake ⓘ |
| partOf | Central German lignite mining area NERFINISHED ⓘ |
| postClosureUse |
cycling and hiking around lake
ⓘ
leisure activities ⓘ sailing and boating ⓘ tourism ⓘ |
| reclamationMeasure |
afforestation
ⓘ
creation of recreational landscape ⓘ flooding of former pit ⓘ shoreline stabilization ⓘ soil recultivation ⓘ |
| status |
closed
ⓘ
reclaimed ⓘ |
| transportedTo | lignite-fired power plants in Central Germany ⓘ |
| waterBodyCreated |
Zwenkauer See
NERFINISHED
ⓘ
lake ⓘ |
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: Zwenkau open-cast mine (former) Description of subject: The former Zwenkau open-cast mine was a large lignite (brown coal) surface mining site in Saxony, Germany, that has since been closed and partly transformed into a lake and recreational landscape.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.