Keuper
E708772
Keuper is a sequence of Upper Triassic sedimentary rocks, typically comprising marls, clays, and sandstones, widely developed in central Europe.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keuper canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8020426 — 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: Keuper Context triple: [Thuringian Basin, dominantRocks, Keuper]
-
A.
Ludfordian Age
The Ludfordian Age is a late Silurian time interval characterized by significant marine biodiversity changes and notable graptolite and conodont fossil assemblages.
-
B.
Tithonian
The Tithonian is the final age of the Late Jurassic period, marked by diverse marine life and significant evolutionary developments among dinosaurs and other vertebrates.
-
C.
Siderian Period
The Siderian Period is the earliest division of the Paleoproterozoic, marked by widespread banded iron formation deposition and the initial rise of atmospheric oxygen on Earth.
-
D.
Toarcian
The Toarcian is a stage of the Early Jurassic period characterized by significant marine life diversification and notable oceanic anoxic events.
-
E.
Terreneuvian
The Terreneuvian is the earliest age of the Cambrian Period, marking the beginning of the Phanerozoic Eon and the widespread appearance of complex animal life in the fossil record.
- 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: Keuper Target entity description: Keuper is a sequence of Upper Triassic sedimentary rocks, typically comprising marls, clays, and sandstones, widely developed in central Europe.
-
A.
Ludfordian Age
The Ludfordian Age is a late Silurian time interval characterized by significant marine biodiversity changes and notable graptolite and conodont fossil assemblages.
-
B.
Tithonian
The Tithonian is the final age of the Late Jurassic period, marked by diverse marine life and significant evolutionary developments among dinosaurs and other vertebrates.
-
C.
Siderian Period
The Siderian Period is the earliest division of the Paleoproterozoic, marked by widespread banded iron formation deposition and the initial rise of atmospheric oxygen on Earth.
-
D.
Toarcian
The Toarcian is a stage of the Early Jurassic period characterized by significant marine life diversification and notable oceanic anoxic events.
-
E.
Terreneuvian
The Terreneuvian is the earliest age of the Cambrian Period, marking the beginning of the Phanerozoic Eon and the widespread appearance of complex animal life in the fossil record.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
lithostratigraphic unit ⓘ |
| age |
Carnian
ⓘ
Late Triassic NERFINISHED ⓘ Norian ⓘ Rhaetian ⓘ |
| color |
green
ⓘ
grey ⓘ red ⓘ variegated ⓘ |
| contains |
coal seam
ⓘ
evaporite ⓘ |
| containsFossil |
invertebrate fossil
ⓘ
plant fossil ⓘ vertebrate fossil ⓘ |
| depositionalEnvironment |
continental
ⓘ
fluvial ⓘ lacustrine ⓘ lagoonal ⓘ |
| developedIn |
France
NERFINISHED
ⓘ
Germany NERFINISHED ⓘ Netherlands NERFINISHED ⓘ Poland NERFINISHED ⓘ Switzerland NERFINISHED ⓘ United Kingdom NERFINISHED ⓘ central Europe ⓘ |
| economicUse |
building stone
ⓘ
clay resource ⓘ hydrocarbon reservoir ⓘ natural gas storage ⓘ |
| geologicTimePeriod | Upper Triassic NERFINISHED ⓘ |
| hasMember |
Lower Keuper
NERFINISHED
ⓘ
Middle Keuper NERFINISHED ⓘ Upper Keuper NERFINISHED ⓘ |
| lithology |
anhydrite
ⓘ
clay ⓘ conglomerate ⓘ dolomite ⓘ gypsum ⓘ marl ⓘ sandstone ⓘ |
| namedBy | Friedrich August von Alberti NERFINISHED ⓘ |
| overlies | Muschelkalk ⓘ |
| partOf |
Germanic Triassic
NERFINISHED
ⓘ
Triassic System NERFINISHED ⓘ |
| region | Germanic Basin NERFINISHED ⓘ |
| stratigraphicRank |
formation
ⓘ
group ⓘ |
| underlies |
Jurassic
ⓘ
Lias ⓘ |
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: Keuper Description of subject: Keuper is a sequence of Upper Triassic sedimentary rocks, typically comprising marls, clays, and sandstones, widely developed in central Europe.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.