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 (6)
| Label | Occurrences |
|---|---|
| Buntsandstein | 3 |
| Keuper canonical | 3 |
| Keuper Marl | 1 |
| Lower Keuper | 1 |
| Middle Keuper | 1 |
| Upper Keuper | 1 |
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 ⓘ 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
ⓘ
Germany ⓘ Netherlands ⓘ Poland ⓘ Switzerland ⓘ United Kingdom ⓘ central Europe ⓘ |
| economicUse |
building stone
ⓘ
clay resource ⓘ hydrocarbon reservoir ⓘ natural gas storage ⓘ |
| geologicTimePeriod |
Upper Triassic
ⓘ
linked to:
Late Triassic
|
| hasMember |
Lower Keuper
ⓘ
linked to:
Keuper
Middle Keuper ⓘ
linked to:
Keuper
Upper Keuper ⓘ
linked to:
Keuper
|
| lithology |
anhydrite
ⓘ
clay ⓘ conglomerate ⓘ dolomite ⓘ gypsum ⓘ marl ⓘ sandstone ⓘ |
| namedBy |
Friedrich August von Alberti
ⓘ
linked to:
Friedrich von Alberti
|
| overlies | Muschelkalk ⓘ |
| partOf |
Germanic Triassic
ⓘ
Triassic System ⓘ
linked to:
Triassic
|
| region | Germanic Basin ⓘ |
| 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 (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Keuper
linked to: Keuper
linked to: Keuper
linked to: Keuper