Nördlinger Ries impact crater
E633928
The Nördlinger Ries impact crater is a large, well-preserved meteorite impact structure in southern Germany, famous for its circular basin, suevite rocks, and the medieval town of Nördlingen built within it.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Nördlinger Ries | 1 |
| Nördlinger Ries crater | 1 |
| Nördlinger Ries impact crater canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6957628 — 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: Nördlinger Ries impact crater Context triple: [Nördlingen, locatedInCrater, Nördlinger Ries impact crater]
-
A.
Steinheim meteorite crater
The Steinheim meteorite crater is a well-preserved impact structure in southern Germany, formed by a meteorite collision during the Miocene and now a notable geological and tourist site.
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B.
Haughton impact crater
Haughton impact crater is a well-preserved meteorite impact structure on Canada’s Devon Island that serves as a key Mars-analog site for scientific research and astronaut training.
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C.
Vredefort Dome
Vredefort Dome is the world’s largest and oldest known impact crater, located in South Africa and formed by a massive meteorite strike over two billion years ago.
-
D.
Aischgrund
Aischgrund is a valley region in Middle Franconia, Germany, known for its numerous carp ponds and traditional fish farming.
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E.
Occator Crater
Occator Crater is a prominent impact crater on the dwarf planet Ceres, best known for its bright salt deposits that suggest past subsurface brine activity.
- 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: Nördlinger Ries impact crater Target entity description: The Nördlinger Ries impact crater is a large, well-preserved meteorite impact structure in southern Germany, famous for its circular basin, suevite rocks, and the medieval town of Nördlingen built within it.
-
A.
Steinheim meteorite crater
The Steinheim meteorite crater is a well-preserved impact structure in southern Germany, formed by a meteorite collision during the Miocene and now a notable geological and tourist site.
-
B.
Haughton impact crater
Haughton impact crater is a well-preserved meteorite impact structure on Canada’s Devon Island that serves as a key Mars-analog site for scientific research and astronaut training.
-
C.
Vredefort Dome
Vredefort Dome is the world’s largest and oldest known impact crater, located in South Africa and formed by a massive meteorite strike over two billion years ago.
-
D.
Aischgrund
Aischgrund is a valley region in Middle Franconia, Germany, known for its numerous carp ponds and traditional fish farming.
-
E.
Occator Crater
Occator Crater is a prominent impact crater on the dwarf planet Ceres, best known for its bright salt deposits that suggest past subsurface brine activity.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
impact crater ⓘ |
| age | approximately 14.6 million years ⓘ |
| contains | town of Nördlingen ⓘ |
| country | Germany NERFINISHED ⓘ |
| diameter | approximately 24 kilometers ⓘ |
| discoveredAsImpactStructureBy | Eugene Shoemaker NERFINISHED ⓘ |
| ejectaExtent | over 100 kilometers from the crater ⓘ |
| formedBy |
asteroid impact
ⓘ
meteorite impact ⓘ |
| geologicalPeriod | Miocene ⓘ |
| hasBuildingMaterial | suevite used in Nördlingen buildings ⓘ |
| hasCentralFeature | slightly uplifted central area ⓘ |
| hasEconomicUse | quarrying of impact rocks ⓘ |
| hasEjecta | Ries ejecta blanket NERFINISHED ⓘ |
| hasMorphology | complex impact crater ⓘ |
| hasMuseum | RiesKraterMuseum Nördlingen NERFINISHED ⓘ |
| hasRim | low eroded crater rim ⓘ |
| hasRockType |
impact breccia
ⓘ
shocked quartz-bearing rocks ⓘ suevite ⓘ |
| hasScientificSignificance |
important for understanding suevite formation
ⓘ
key site for impact cratering studies ⓘ |
| identifiedAsImpactStructureIn | 1960s ⓘ |
| impactAngle | oblique impact ⓘ |
| impactEnergy | equivalent to several tens of thousands of megatons of TNT ⓘ |
| impactTargetRocks |
crystalline basement rocks
ⓘ
sedimentary rocks of the Swabian-Franconian Jura ⓘ |
| influences |
local topography
ⓘ
settlement pattern around Nördlingen ⓘ |
| locatedIn |
Bavaria
ⓘ
southern Germany ⓘ |
| locatedNear | Nördlingen NERFINISHED ⓘ |
| notableFor |
abundant suevite deposits
ⓘ
medieval town of Nördlingen built inside the crater ⓘ well-preserved circular basin ⓘ |
| partOf |
Danube River region
NERFINISHED
ⓘ
Nördlinger Ries–Steinheim impact event NERFINISHED ⓘ |
| previouslyInterpretedAs | volcanic crater ⓘ |
| recognizedAs | type locality for suevite ⓘ |
| tourismType | geotourism destination ⓘ |
| usedFor |
Apollo astronaut training
ⓘ
lunar geology field training ⓘ |
| visibleFrom | aerial imagery as circular structure ⓘ |
| visitedBy |
Apollo 14 astronauts
NERFINISHED
ⓘ
Apollo 17 astronauts NERFINISHED ⓘ |
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: Nördlinger Ries impact crater Description of subject: The Nördlinger Ries impact crater is a large, well-preserved meteorite impact structure in southern Germany, famous for its circular basin, suevite rocks, and the medieval town of Nördlingen built within it.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Nördlingen
this entity surface form:
Nördlinger Ries
this entity surface form:
Nördlinger Ries crater