Lias Group
E930715
The Lias Group is a sequence of Lower Jurassic sedimentary rock formations widely exposed in parts of western Europe, particularly known for its marine fossils and importance in stratigraphy and petroleum geology.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lias Group canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11517156 — 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: Lias Group Context triple: [Wessex Basin, containsFormation, Lias Group]
-
A.
Moine Supergroup
The Moine Supergroup is a sequence of Neoproterozoic metamorphic rocks in the Scottish Highlands, notable for recording early tectonic events prior to the Caledonian orogeny.
-
B.
Wianamatta Group
The Wianamatta Group is a major geological rock sequence in the Sydney Basin of eastern Australia, consisting primarily of Triassic sedimentary formations that overlie the Hawkesbury Sandstone.
-
C.
Wealden Supergroup
The Wealden Supergroup is a sequence of Early Cretaceous sedimentary rocks in southern England and parts of Europe, renowned for its rich dinosaur fossil record including numerous Iguanodon remains.
-
D.
Newark Supergroup
The Newark Supergroup is a sequence of Late Triassic to Early Jurassic sedimentary and volcanic rocks deposited in rift basins along the eastern margin of North America during the breakup of Pangaea.
-
E.
Beacon Supergroup
Beacon Supergroup is a major Paleozoic to Mesozoic sedimentary rock sequence exposed in Antarctica’s Transantarctic Mountains, notable for its well-preserved fossils and insights into ancient polar environments.
- 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: Lias Group Target entity description: The Lias Group is a sequence of Lower Jurassic sedimentary rock formations widely exposed in parts of western Europe, particularly known for its marine fossils and importance in stratigraphy and petroleum geology.
-
A.
Moine Supergroup
The Moine Supergroup is a sequence of Neoproterozoic metamorphic rocks in the Scottish Highlands, notable for recording early tectonic events prior to the Caledonian orogeny.
-
B.
Wianamatta Group
The Wianamatta Group is a major geological rock sequence in the Sydney Basin of eastern Australia, consisting primarily of Triassic sedimentary formations that overlie the Hawkesbury Sandstone.
-
C.
Wealden Supergroup
The Wealden Supergroup is a sequence of Early Cretaceous sedimentary rocks in southern England and parts of Europe, renowned for its rich dinosaur fossil record including numerous Iguanodon remains.
-
D.
Newark Supergroup
The Newark Supergroup is a sequence of Late Triassic to Early Jurassic sedimentary and volcanic rocks deposited in rift basins along the eastern margin of North America during the breakup of Pangaea.
-
E.
Beacon Supergroup
Beacon Supergroup is a major Paleozoic to Mesozoic sedimentary rock sequence exposed in Antarctica’s Transantarctic Mountains, notable for its well-preserved fossils and insights into ancient polar environments.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
lithostratigraphic group
ⓘ
sedimentary rock unit ⓘ |
| chronostratigraphicRange |
Hettangian
ⓘ
Pliensbachian NERFINISHED ⓘ Sinemurian ⓘ Toarcian NERFINISHED ⓘ |
| containsFossilsOf |
ammonites
ⓘ
bivalves ⓘ brachiopods ⓘ marine reptiles ⓘ |
| country |
France
ⓘ
Germany NERFINISHED ⓘ Netherlands ⓘ United Kingdom ⓘ |
| depositionalEnvironment | marine ⓘ |
| discipline |
petroleum geology
ⓘ
sedimentology ⓘ stratigraphy ⓘ |
| geographicDistribution |
France
NERFINISHED
ⓘ
Germany NERFINISHED ⓘ Netherlands NERFINISHED ⓘ United Kingdom NERFINISHED ⓘ western Europe ⓘ |
| geologicAge | Lower Jurassic ⓘ |
| hasColorCharacteristic |
blue-grey
ⓘ
dark grey ⓘ |
| hasEconomicImportance |
hydrocarbon reservoir potential
ⓘ
hydrocarbon source rock potential ⓘ |
| hasSubunit |
Blue Lias Formation
NERFINISHED
ⓘ
Charmouth Mudstone Formation NERFINISHED ⓘ Marlstone Rock Formation NERFINISHED ⓘ Whitby Mudstone Formation NERFINISHED ⓘ |
| knownFor |
abundant marine fossils
ⓘ
biostratigraphic importance ⓘ importance in petroleum geology ⓘ |
| lithology |
limestone
ⓘ
marl ⓘ mudstone ⓘ sandstone ⓘ shale ⓘ siltstone ⓘ |
| namedAfter | Lias (traditional name for early Jurassic strata) ⓘ |
| partOf | Mesozoic Era NERFINISHED ⓘ |
| stratigraphicPositionAbove | Triassic formations ⓘ |
| stratigraphicPositionBelow | Middle Jurassic formations ⓘ |
| typeLocality | Lyme Regis area NERFINISHED ⓘ |
| usedFor |
biostratigraphic correlation
ⓘ
petroleum system analysis ⓘ sequence stratigraphy ⓘ |
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: Lias Group Description of subject: The Lias Group is a sequence of Lower Jurassic sedimentary rock formations widely exposed in parts of western Europe, particularly known for its marine fossils and importance in stratigraphy and petroleum geology.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.