Djadokhta Formation
E509092
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Djadokhta Formation canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5278170 — 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: Djadokhta Formation Context triple: [Velociraptor, geologicalFormation, Djadokhta Formation]
-
A.
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.
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B.
Claron Formation
The Claron Formation is a geologic rock unit of colorful limestones and mudstones best known for forming the striking hoodoos and cliffs of Bryce Canyon and other parts of the Paunsaugunt Plateau in southern Utah.
-
C.
Vermejo Formation
The Vermejo Formation is a Late Cretaceous sedimentary rock unit in the Raton Basin of the western United States, known for its coal-bearing strata and significance in regional stratigraphy.
-
D.
Tendaguru Formation
The Tendaguru Formation is a renowned fossil-rich sedimentary deposit in Tanzania that has yielded some of the most important Late Jurassic dinosaur and marine reptile remains in Africa.
-
E.
Chinle Formation
The Chinle Formation is a Late Triassic geologic formation in the southwestern United States, renowned for its colorful badlands, rich fossil beds, and extensive petrified wood deposits.
- 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: Djadokhta Formation Target entity description: 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.
-
A.
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.
-
B.
Claron Formation
The Claron Formation is a geologic rock unit of colorful limestones and mudstones best known for forming the striking hoodoos and cliffs of Bryce Canyon and other parts of the Paunsaugunt Plateau in southern Utah.
-
C.
Vermejo Formation
The Vermejo Formation is a Late Cretaceous sedimentary rock unit in the Raton Basin of the western United States, known for its coal-bearing strata and significance in regional stratigraphy.
-
D.
Tendaguru Formation
The Tendaguru Formation is a renowned fossil-rich sedimentary deposit in Tanzania that has yielded some of the most important Late Jurassic dinosaur and marine reptile remains in Africa.
-
E.
Chinle Formation
The Chinle Formation is a Late Triassic geologic formation in the southwestern United States, renowned for its colorful badlands, rich fossil beds, and extensive petrified wood deposits.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ |
| age | Campanian ⓘ |
| containsFossil |
Byronosaurus jaffei
NERFINISHED
ⓘ
Citipati osmolskae NERFINISHED ⓘ Gobipteryx minuta NERFINISHED ⓘ Hulsanpes perlei NERFINISHED ⓘ Loolmalornis giganteus NERFINISHED ⓘ Oviraptor philoceratops NERFINISHED ⓘ Parvicursor remotus NERFINISHED ⓘ Pinacosaurus grangeri NERFINISHED ⓘ Protoceratops andrewsi NERFINISHED ⓘ Saurornithoides mongoliensis NERFINISHED ⓘ Shuvuuia deserti NERFINISHED ⓘ Velociraptor mongoliensis NERFINISHED ⓘ crocodyliforms ⓘ dinosaur eggs ⓘ dinosaur nests ⓘ mammaliaforms ⓘ turtles ⓘ various lizards ⓘ |
| continent | Asia ⓘ |
| country | Mongolia NERFINISHED ⓘ |
| discoveredBy | Central Asiatic Expeditions NERFINISHED ⓘ |
| environment |
aeolian dune field
ⓘ
arid desert ⓘ |
| fieldWorkBy | American Museum of Natural History NERFINISHED ⓘ |
| fossilPreservationMode |
entombment by collapsing dunes
ⓘ
rapid burial in sand dunes ⓘ |
| geologicPeriod | Late Cretaceous ⓘ |
| geologicSystem | Upper Cretaceous ⓘ |
| hasIconicSpecimen | fighting dinosaurs (Velociraptor and Protoceratops) fossil ⓘ |
| hasStratigraphicUnit |
Bayn Dzak Member
NERFINISHED
ⓘ
Tugrikin Shireh beds NERFINISHED ⓘ Ukhaa Tolgod beds NERFINISHED ⓘ |
| lithology |
sandstone
ⓘ
siltstone ⓘ |
| notableFor |
exceptionally well-preserved dinosaur fossils
ⓘ
fossil preservation in eolian sands ⓘ three-dimensional articulated skeletons ⓘ |
| notableSite |
Bayn Dzak (Flaming Cliffs)
NERFINISHED
ⓘ
Tugrikin Shireh NERFINISHED ⓘ Ukhaa Tolgod NERFINISHED ⓘ |
| overlies | Bayn Shireh Formation NERFINISHED ⓘ |
| paleoclimate | semi-arid to arid ⓘ |
| partOf | Gobi Desert NERFINISHED ⓘ |
| region | Ömnögovi Province NERFINISHED ⓘ |
| underlies | Barun Goyot 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: Djadokhta Formation Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.