Glen Rose Formation
E935610
The Glen Rose Formation is a Cretaceous-age limestone and marl geologic unit in Texas, noted for its abundant marine fossils and well-preserved dinosaur trackways.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Glen Rose Formation canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11615393 — 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: Glen Rose Formation Context triple: [Paluxy River, hasRockFormation, Glen Rose Formation]
-
A.
Boone Formation
The Boone Formation is a Mississippian-age carbonate rock unit of cherty limestones and dolomites widely exposed across parts of the Ozark region in the central United States.
-
B.
Raton Formation
The Raton Formation is a geologic rock unit in the Raton Basin of Colorado and New Mexico, notable for preserving Late Cretaceous to early Paleogene sediments and fossils, including evidence across the Cretaceous–Paleogene boundary.
-
C.
Curtis Formation
The Curtis Formation is a Middle Jurassic geologic unit in the western United States, characterized mainly by marine sandstones and siltstones that record shallow sea environments.
-
D.
Spraberry Formation
The Spraberry Formation is a major oil-bearing geologic unit in West Texas, renowned as one of the most prolific tight oil reservoirs within the Permian Basin.
-
E.
Morrison Formation
The Morrison Formation is a vast Late Jurassic sedimentary rock formation in the western United States renowned for its exceptionally rich assemblage of dinosaur fossils, including iconic sauropods and theropods.
- 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: Glen Rose Formation Target entity description: The Glen Rose Formation is a Cretaceous-age limestone and marl geologic unit in Texas, noted for its abundant marine fossils and well-preserved dinosaur trackways.
-
A.
Boone Formation
The Boone Formation is a Mississippian-age carbonate rock unit of cherty limestones and dolomites widely exposed across parts of the Ozark region in the central United States.
-
B.
Raton Formation
The Raton Formation is a geologic rock unit in the Raton Basin of Colorado and New Mexico, notable for preserving Late Cretaceous to early Paleogene sediments and fossils, including evidence across the Cretaceous–Paleogene boundary.
-
C.
Curtis Formation
The Curtis Formation is a Middle Jurassic geologic unit in the western United States, characterized mainly by marine sandstones and siltstones that record shallow sea environments.
-
D.
Spraberry Formation
The Spraberry Formation is a major oil-bearing geologic unit in West Texas, renowned as one of the most prolific tight oil reservoirs within the Permian Basin.
-
E.
Morrison Formation
The Morrison Formation is a vast Late Jurassic sedimentary rock formation in the western United States renowned for its exceptionally rich assemblage of dinosaur fossils, including iconic sauropods and theropods.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ stratigraphic unit ⓘ |
| contains |
carbonate mudstones
ⓘ
dinosaur tracksites ⓘ grainstones ⓘ packstones ⓘ wackestones ⓘ |
| containsFossilsOf |
ammonites
ⓘ
bivalves ⓘ corals ⓘ dinosaurs ⓘ echinoids ⓘ foraminifera ⓘ gastropods ⓘ marine invertebrates ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| economicUse |
construction stone source
ⓘ
groundwater aquifer component ⓘ |
| environmentOfDeposition |
lagoonal
ⓘ
shallow marine ⓘ tidal flat ⓘ |
| geologicAge | Cretaceous NERFINISHED ⓘ |
| geologicPeriod | Early Cretaceous NERFINISHED ⓘ |
| geologicProvince | Gulf Coast Basin NERFINISHED ⓘ |
| hasColor |
light gray
ⓘ
tan ⓘ |
| hasFossilSite | Paluxy River dinosaur trackways NERFINISHED ⓘ |
| hasOutcrop |
Dinosaur Valley State Park
NERFINISHED
ⓘ
Edwards Plateau region NERFINISHED ⓘ Hill Country of Texas NERFINISHED ⓘ central Texas ⓘ north-central Texas NERFINISHED ⓘ |
| lithology |
dolomite
ⓘ
limestone ⓘ marl ⓘ shale ⓘ |
| locatedIn | Texas ⓘ |
| namedAfter | Glen Rose, Texas NERFINISHED ⓘ |
| notableFor |
abundant marine fossils
ⓘ
well-preserved dinosaur trackways ⓘ |
| overlies |
Cow Creek Formation
NERFINISHED
ⓘ
Hensel Formation NERFINISHED ⓘ |
| partOf | Trinity Group NERFINISHED ⓘ |
| region |
Gulf Coast of the United States
NERFINISHED
ⓘ
South-Central United States NERFINISHED ⓘ |
| stratigraphicPosition | upper part of Trinity Group ⓘ |
| underlies |
Edwards Formation
NERFINISHED
ⓘ
Edwards Group 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: Glen Rose Formation Description of subject: The Glen Rose Formation is a Cretaceous-age limestone and marl geologic unit in Texas, noted for its abundant marine fossils and well-preserved dinosaur trackways.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.