Gypsum Spring Formation
E930697
The Gypsum Spring Formation is a Middle Jurassic geologic unit in the western United States, notable for its evaporite-rich deposits that record shallow marine and coastal environments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Gypsum Spring Formation canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11516748 — 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: Gypsum Spring Formation Context triple: [Sundance Formation, overlies, Gypsum Spring Formation]
-
A.
Fountain Formation
The Fountain Formation is a Pennsylvanian-age sedimentary rock unit in Colorado and adjacent areas, best known for forming the dramatic red sandstone outcrops such as the Flatirons and the rocks at Garden of the Gods.
-
B.
Wahweap Formation
The Wahweap Formation is a Late Cretaceous sedimentary rock unit in southern Utah renowned for its rich fossil record of dinosaurs and other ancient life.
-
C.
Chalybeate Spring
Chalybeate Spring is a historic iron-rich mineral spring in Royal Tunbridge Wells, England, long famed for its supposedly health-giving waters and role in the town’s development as a spa resort.
-
D.
Chalybeate Springs
Chalybeate Springs is a small unincorporated community in Georgia historically known for its iron-rich mineral springs that were once popular for their supposed health benefits.
-
E.
Blue Hole Spring
Blue Hole Spring is a natural freshwater spring located within Red Clay State Historic Park in Tennessee, known for its clear blue waters and historical significance to the Cherokee people.
- 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: Gypsum Spring Formation Target entity description: The Gypsum Spring Formation is a Middle Jurassic geologic unit in the western United States, notable for its evaporite-rich deposits that record shallow marine and coastal environments.
-
A.
Fountain Formation
The Fountain Formation is a Pennsylvanian-age sedimentary rock unit in Colorado and adjacent areas, best known for forming the dramatic red sandstone outcrops such as the Flatirons and the rocks at Garden of the Gods.
-
B.
Wahweap Formation
The Wahweap Formation is a Late Cretaceous sedimentary rock unit in southern Utah renowned for its rich fossil record of dinosaurs and other ancient life.
-
C.
Chalybeate Spring
Chalybeate Spring is a historic iron-rich mineral spring in Royal Tunbridge Wells, England, long famed for its supposedly health-giving waters and role in the town’s development as a spa resort.
-
D.
Chalybeate Springs
Chalybeate Springs is a small unincorporated community in Georgia historically known for its iron-rich mineral springs that were once popular for their supposed health benefits.
-
E.
Blue Hole Spring
Blue Hole Spring is a natural freshwater spring located within Red Clay State Historic Park in Tennessee, known for its clear blue waters and historical significance to the Cherokee people.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
stratigraphic unit ⓘ |
| contains |
evaporite deposits
ⓘ
marine fossils ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositionalSetting | epeiric sea ⓘ |
| environmentOfDeposition |
coastal
ⓘ
shallow marine ⓘ |
| geologicAge | Middle Jurassic ⓘ |
| geologicPeriod | Jurassic ⓘ |
| geologicTimeSpan |
Bajocian
ⓘ
Bathonian ⓘ |
| hasEconomicResource |
anhydrite
ⓘ
gypsum ⓘ |
| lithology |
anhydrite
ⓘ
dolomite ⓘ evaporite ⓘ gypsum ⓘ limestone ⓘ shale ⓘ |
| locatedIn |
Montana
ⓘ
South Dakota ⓘ Wyoming ⓘ western United States NERFINISHED ⓘ |
| namedFor | gypsum-bearing springs ⓘ |
| overlies |
Nugget Sandstone
NERFINISHED
ⓘ
Sundance Formation NERFINISHED ⓘ |
| stratigraphicUnitOf | Wyoming Basin NERFINISHED ⓘ |
| underlies |
Morrison Formation
NERFINISHED
ⓘ
Swift 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: Gypsum Spring Formation Description of subject: The Gypsum Spring Formation is a Middle Jurassic geologic unit in the western United States, notable for its evaporite-rich deposits that record shallow marine and coastal environments.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.