Bahariya Formation
E922224
The Bahariya Formation is a Cretaceous-age rock formation in Egypt renowned for its rich dinosaur fossils, including those of Spinosaurus.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bahariya Formation canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11378107 — 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: Bahariya Formation Context triple: [Spinosaurus, livedIn, Bahariya Formation]
-
A.
Djadokhta Formation
The Djadokhta Formation is a Late Cretaceous sedimentary rock unit in Mongolia renowned for its exceptionally well-preserved dinosaur fossils, including iconic theropods and other desert-adapted fauna.
-
B.
Areyonga Formation
The Areyonga Formation is a geological rock unit within central Australia's Amadeus Basin, known for its sedimentary sequences that record Proterozoic environmental and tectonic history.
-
C.
Yeso Formation
The Yeso Formation is a geologic unit of early Permian age in the southwestern United States, notable for its thick sequences of evaporites and sandstones that record arid, shallow-marine and coastal depositional environments within the Permian Basin region.
-
D.
Diablo Formation
The Diablo Formation is a geologic rock unit in California known as a significant petroleum-bearing reservoir within fields such as the Belridge Oil Field.
-
E.
Gowganda Formation
The Gowganda Formation is a Paleoproterozoic sedimentary rock unit in the Huronian Supergroup of Ontario, Canada, notable for preserving some of the most important geological evidence of ancient global-scale glaciation.
- 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: Bahariya Formation Target entity description: The Bahariya Formation is a Cretaceous-age rock formation in Egypt renowned for its rich dinosaur fossils, including those of Spinosaurus.
-
A.
Djadokhta Formation
The Djadokhta Formation is a Late Cretaceous sedimentary rock unit in Mongolia renowned for its exceptionally well-preserved dinosaur fossils, including iconic theropods and other desert-adapted fauna.
-
B.
Areyonga Formation
The Areyonga Formation is a geological rock unit within central Australia's Amadeus Basin, known for its sedimentary sequences that record Proterozoic environmental and tectonic history.
-
C.
Yeso Formation
The Yeso Formation is a geologic unit of early Permian age in the southwestern United States, notable for its thick sequences of evaporites and sandstones that record arid, shallow-marine and coastal depositional environments within the Permian Basin region.
-
D.
Diablo Formation
The Diablo Formation is a geologic rock unit in California known as a significant petroleum-bearing reservoir within fields such as the Belridge Oil Field.
-
E.
Gowganda Formation
The Gowganda Formation is a Paleoproterozoic sedimentary rock unit in the Huronian Supergroup of Ontario, Canada, notable for preserving some of the most important geological evidence of ancient global-scale glaciation.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock formation ⓘ |
| containsFossil |
Aegyptosaurus
NERFINISHED
ⓘ
Bahariasaurus NERFINISHED ⓘ Carcharodontosaurus NERFINISHED ⓘ Elosuchus NERFINISHED ⓘ Spinosaurus NERFINISHED ⓘ Stomatosuchus NERFINISHED ⓘ crocodyliform fossils ⓘ fish fossils ⓘ pterosaur fossils ⓘ sauropod dinosaur fossils ⓘ theropod dinosaur fossils ⓘ turtle fossils ⓘ |
| containsResource | iron ore ⓘ |
| continent | Africa ⓘ |
| country | Egypt ⓘ |
| discoveredBy | Ernst Stromer NERFINISHED ⓘ |
| economicImportance | iron ore mining ⓘ |
| fossilPeriod | Cretaceous ⓘ |
| geologicAge | early Cenomanian ⓘ |
| geologicPeriod | Cretaceous ⓘ |
| geologicSystem | Cretaceous System ⓘ |
| hasFossilSite |
Gebel Ghorabi
NERFINISHED
ⓘ
Gebel el Dist NERFINISHED ⓘ |
| hasTypeLocality | Bahariya Oasis NERFINISHED ⓘ |
| knownFor |
Spinosaurus fossils
ⓘ
rich dinosaur fauna ⓘ |
| lithology |
claystone
ⓘ
sandstone ⓘ shale ⓘ siltstone ⓘ |
| locatedIn | Western Desert of Egypt NERFINISHED ⓘ |
| namedAfter | Bahariya Oasis NERFINISHED ⓘ |
| overlies | Kharita Formation NERFINISHED ⓘ |
| paleoclimate | humid ⓘ |
| paleoenvironment |
coastal plain
ⓘ
deltaic ⓘ fluvial ⓘ |
| region | North Africa ⓘ |
| researchInterest |
Cretaceous theropod diversity
ⓘ
paleoenvironments of northern Africa ⓘ |
| stratigraphicUnitOf | Western Desert sedimentary succession NERFINISHED ⓘ |
| timeSpanStart | Cenomanian ⓘ |
| underlies | Abu Roash Formation 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: Bahariya Formation Description of subject: The Bahariya Formation is a Cretaceous-age rock formation in Egypt renowned for its rich dinosaur fossils, including those of Spinosaurus.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.