Rock Point Member
E757098
Rock Point Member is a stratigraphic subdivision of the Late Triassic Chinle Formation, known for its fluvial sedimentary rocks and fossil content in the southwestern United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rock Point Member canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8779354 — 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: Rock Point Member Context triple: [Chinle Formation, hasMember, Rock Point Member]
-
A.
Fossil Bluff
Fossil Bluff is a British Antarctic Survey research station on Alexander Island in Antarctica, primarily used as a logistics and refuelling hub for scientific field operations.
-
B.
Bristol Point
Bristol Point is a coastal camping and recreation area within Booderee National Park on the Jervis Bay shoreline in New South Wales, Australia.
-
C.
Quarry Point
Quarry Point is a coastal area on Angel Island in San Francisco Bay, known for its historic quarrying activity and scenic waterfront views.
-
D.
Carmel Formation
The Carmel Formation is a Middle Jurassic geologic unit of the western United States, characterized by marine and marginal-marine sediments that record a transition from desert dune environments to shallow seas.
-
E.
Lizard Point
Lizard Point is the southernmost tip of mainland Great Britain, known for its dramatic cliffs, maritime history, and distinctive serpentine rock formations.
- 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: Rock Point Member Target entity description: Rock Point Member is a stratigraphic subdivision of the Late Triassic Chinle Formation, known for its fluvial sedimentary rocks and fossil content in the southwestern United States.
-
A.
Fossil Bluff
Fossil Bluff is a British Antarctic Survey research station on Alexander Island in Antarctica, primarily used as a logistics and refuelling hub for scientific field operations.
-
B.
Bristol Point
Bristol Point is a coastal camping and recreation area within Booderee National Park on the Jervis Bay shoreline in New South Wales, Australia.
-
C.
Quarry Point
Quarry Point is a coastal area on Angel Island in San Francisco Bay, known for its historic quarrying activity and scenic waterfront views.
-
D.
Carmel Formation
The Carmel Formation is a Middle Jurassic geologic unit of the western United States, characterized by marine and marginal-marine sediments that record a transition from desert dune environments to shallow seas.
-
E.
Lizard Point
Lizard Point is the southernmost tip of mainland Great Britain, known for its dramatic cliffs, maritime history, and distinctive serpentine rock formations.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
formation member
ⓘ
stratigraphic unit ⓘ |
| colorCharacteristic | reddish beds ⓘ |
| containsFossils |
plant fossils
ⓘ
vertebrate fossils ⓘ |
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| depositionalEnvironment | fluvial ⓘ |
| geologicAge | Late Triassic ⓘ |
| geologicEpoch | Late Triassic ⓘ |
| geologicPeriod | Triassic ⓘ |
| knownFor | fossil content ⓘ |
| lithology |
fluvial sedimentary rocks
ⓘ
mudstone ⓘ sandstone ⓘ siltstone ⓘ |
| namedFor | Rock Point, Arizona (area) ⓘ |
| overlies |
Petrified Forest Member (Chinle Formation)
ⓘ
linked to:
Chinle Formation
|
| partOf | Chinle Formation ⓘ |
| region | southwestern United States ⓘ |
| researchField |
paleontology
ⓘ
sedimentology ⓘ stratigraphy ⓘ |
| stratigraphicPosition |
upper Chinle Formation
ⓘ
linked to:
Chinle Formation
|
| underlies | Jurassic units in the region ⓘ |
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: Rock Point Member Description of subject: Rock Point Member is a stratigraphic subdivision of the Late Triassic Chinle Formation, known for its fluvial sedimentary rocks and fossil content in the southwestern United States.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.