Eifelian GSSP at Wetteldorf, Germany
E538408
The Eifelian GSSP at Wetteldorf, Germany is the internationally designated reference stratigraphic section that precisely defines the base of the Eifelian Stage within the Middle Devonian period.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Eifelian GSSP at Wetteldorf, Germany canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5631673 — 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: Eifelian GSSP at Wetteldorf, Germany Context triple: [Middle Devonian, hasGlobalStandardStratotype, Eifelian GSSP at Wetteldorf, Germany]
-
A.
Pfaffenweiler, Germany
Pfaffenweiler is a small town in southwestern Germany known for its historical ties and sister-city relationship with Jasper, Indiana.
-
B.
Rheine, Germany
Rheine, Germany is a city in the state of North Rhine-Westphalia known as an industrial and transportation hub in northwestern Germany.
-
C.
Schröttinghausen, Germany
Schröttinghausen is a small locality in Germany best known as the birthplace of influential astronomer Walter Baade.
-
D.
Lünen, Germany
Lünen is a mid-sized industrial and residential city in North Rhine-Westphalia, western Germany, situated on the Lippe River and known for its historical coal-mining heritage.
-
E.
Lemgo, Germany
Lemgo, Germany is a historic town in the Lippe district of North Rhine-Westphalia known for its well-preserved medieval and Renaissance architecture.
- 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: Eifelian GSSP at Wetteldorf, Germany Target entity description: The Eifelian GSSP at Wetteldorf, Germany is the internationally designated reference stratigraphic section that precisely defines the base of the Eifelian Stage within the Middle Devonian period.
-
A.
Pfaffenweiler, Germany
Pfaffenweiler is a small town in southwestern Germany known for its historical ties and sister-city relationship with Jasper, Indiana.
-
B.
Rheine, Germany
Rheine, Germany is a city in the state of North Rhine-Westphalia known as an industrial and transportation hub in northwestern Germany.
-
C.
Schröttinghausen, Germany
Schröttinghausen is a small locality in Germany best known as the birthplace of influential astronomer Walter Baade.
-
D.
Lünen, Germany
Lünen is a mid-sized industrial and residential city in North Rhine-Westphalia, western Germany, situated on the Lippe River and known for its historical coal-mining heritage.
-
E.
Lemgo, Germany
Lemgo, Germany is a historic town in the Lippe district of North Rhine-Westphalia known for its well-preserved medieval and Renaissance architecture.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
Global Boundary Stratotype Section and Point
ⓘ
geological type section ⓘ stratigraphic boundary marker ⓘ |
| chronostratigraphicRankDefined | stage ⓘ |
| country | Germany NERFINISHED ⓘ |
| defines |
base of the Eifelian Stage
ⓘ
boundary between the Emsian Stage and the Eifelian Stage ⓘ lower boundary of the Eifelian Stage ⓘ |
| discipline |
chronostratigraphy
ⓘ
stratigraphy ⓘ |
| geologicAgeContext |
Devonian
ⓘ
Paleozoic ⓘ |
| geologicTimeIntervalDefined | Middle Devonian NERFINISHED ⓘ |
| governingBody | Subcommission on Devonian Stratigraphy NERFINISHED ⓘ |
| hasLanguageOfOfficialReports |
English
ⓘ
German ⓘ |
| hasStratigraphicSectionType | marine sedimentary succession ⓘ |
| higherRankUnit | Middle Devonian Series NERFINISHED ⓘ |
| lithology | Devonian marine sediments ⓘ |
| locatedIn |
Eifel region
NERFINISHED
ⓘ
Germany ⓘ Rhineland-Palatinate ⓘ Wetteldorf NERFINISHED ⓘ |
| lowerBoundaryOf | Eifelian Stage NERFINISHED ⓘ |
| partOf |
Devonian System GSSP framework
NERFINISHED
ⓘ
global chronostratigraphic scale ⓘ |
| ratifiedBy |
International Commission on Stratigraphy
NERFINISHED
ⓘ
International Union of Geological Sciences NERFINISHED ⓘ |
| referenceFunction |
precise definition of the base of the Eifelian Stage
ⓘ
standard for global stratigraphic correlation at the Emsian–Eifelian boundary ⓘ |
| region | Western Europe NERFINISHED ⓘ |
| status | internationally accepted reference section ⓘ |
| stratigraphicUnitDefined | Eifelian Stage NERFINISHED ⓘ |
| upperBoundaryOf | Emsian Stage NERFINISHED ⓘ |
| usedFor |
definition of Devonian time scale
ⓘ
global correlation of Eifelian strata ⓘ |
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: Eifelian GSSP at Wetteldorf, Germany Description of subject: The Eifelian GSSP at Wetteldorf, Germany is the internationally designated reference stratigraphic section that precisely defines the base of the Eifelian Stage within the Middle Devonian period.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.