Permian Garber Sandstone
E279782
Permian Garber Sandstone is a geologic formation from the Permian period in Oklahoma, notable as the primary host rock for the distinctive barite "rose rock" concretions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Permian Garber Sandstone canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2579884 — 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: Permian Garber Sandstone Context triple: [Rose rock, foundIn, Permian Garber Sandstone]
-
A.
Navajo Sandstone
Navajo Sandstone is a massive, pale to reddish Jurassic-age sandstone formation on the Colorado Plateau, renowned for its sweeping cross-bedded cliffs and iconic desert landscapes.
-
B.
Old Red Sandstone
Old Red Sandstone is a thick sequence of Devonian-age sedimentary rocks, notable for its red coloration and widespread occurrence across parts of Scotland and other regions of the North Atlantic.
-
C.
Dakota Formation
The Dakota Formation is a widespread Cretaceous sedimentary rock unit in North America, noted for its sandstone deposits that record the advance of the Western Interior Seaway and preserve abundant plant and dinosaur fossils.
-
D.
Kaibab Limestone
Kaibab Limestone is a prominent Permian-age sedimentary rock layer that forms the resistant caprock of the Grand Canyon and many other cliffs and plateaus across the Colorado Plateau.
-
E.
Entrada Sandstone
Entrada Sandstone is a Jurassic-age sedimentary rock formation in the U.S. Southwest, renowned for forming the dramatic natural arches and other erosional landforms seen in places like Arches National Park.
- 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: Permian Garber Sandstone Target entity description: Permian Garber Sandstone is a geologic formation from the Permian period in Oklahoma, notable as the primary host rock for the distinctive barite "rose rock" concretions.
-
A.
Navajo Sandstone
Navajo Sandstone is a massive, pale to reddish Jurassic-age sandstone formation on the Colorado Plateau, renowned for its sweeping cross-bedded cliffs and iconic desert landscapes.
-
B.
Old Red Sandstone
Old Red Sandstone is a thick sequence of Devonian-age sedimentary rocks, notable for its red coloration and widespread occurrence across parts of Scotland and other regions of the North Atlantic.
-
C.
Dakota Formation
The Dakota Formation is a widespread Cretaceous sedimentary rock unit in North America, noted for its sandstone deposits that record the advance of the Western Interior Seaway and preserve abundant plant and dinosaur fossils.
-
D.
Kaibab Limestone
Kaibab Limestone is a prominent Permian-age sedimentary rock layer that forms the resistant caprock of the Grand Canyon and many other cliffs and plateaus across the Colorado Plateau.
-
E.
Entrada Sandstone
Entrada Sandstone is a Jurassic-age sedimentary rock formation in the U.S. Southwest, renowned for forming the dramatic natural arches and other erosional landforms seen in places like Arches National Park.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ |
| ageRange | Early Permian ⓘ |
| aquiferRole | major freshwater aquifer ⓘ |
| associatedWith | Wellington Formation ⓘ |
| color | reddish-brown ⓘ |
| contains |
conglomeratic beds
ⓘ
shale ⓘ siltstone ⓘ |
| containsCement |
calcite
ⓘ
iron oxide ⓘ |
| containsFossils | rare vertebrate and invertebrate fossils ⓘ |
| containsMineral |
barite
ⓘ
quartz ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| diageneticFeature | barite-cemented concretions ⓘ |
| environmentOfDeposition |
deltaic
ⓘ
fluvial ⓘ |
| formsPartOf | Permian red beds of Oklahoma ⓘ |
| geologicAge | Permian ⓘ |
| geologicPeriod |
Permian Period
ⓘ
surface form:
Permian period
|
| geologicProvince |
Mid-Continent Region
ⓘ
surface form:
Midcontinent region of the United States
|
| hostRockFor | barite rose rocks ⓘ |
| hydrologicCharacteristic | moderate to high permeability ⓘ |
| lithology | sandstone ⓘ |
| locatedIn | Oklahoma ⓘ |
| namedFor | Garber, Oklahoma ⓘ |
| notableFor | barite rose rock concretions ⓘ |
| overlies | Chase Group ⓘ |
| partOf | Garber-Wellington aquifer system ⓘ |
| porosityType | primary intergranular porosity ⓘ |
| primaryComposition | fine- to medium-grained sandstone ⓘ |
| regionalExtent | central Oklahoma ⓘ |
| stratigraphicUnitOf |
central Oklahoma
ⓘ
surface form:
Central Oklahoma
|
| underlies | Hennessey Group ⓘ |
| usedFor | groundwater supply ⓘ |
| weatheringCharacteristic | forms ledges and slopes ⓘ |
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: Permian Garber Sandstone Description of subject: Permian Garber Sandstone is a geologic formation from the Permian period in Oklahoma, notable as the primary host rock for the distinctive barite "rose rock" concretions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.