Los Rastros Formation
E892885
Los Rastros Formation is a Late Triassic geological formation in northwestern Argentina known for its fossil-rich sedimentary rocks that record ancient lake and river environments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Los Rastros Formation canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10896279 — 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: Los Rastros Formation Context triple: [Ischigualasto Provincial Park, contains, Los Rastros Formation]
-
A.
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.
-
B.
Etchegoin Formation
The Etchegoin Formation is a geologic unit in California’s San Joaquin Basin known for its significant petroleum reservoirs, particularly in major fields such as the Belridge Oil Field.
-
C.
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.
-
D.
Yeso Formation
The Yeso Formation is a geologic unit of early Permian age in the southwestern United States, notable for its thick sequences of evaporites and sandstones that record arid, shallow-marine and coastal depositional environments within the Permian Basin region.
-
E.
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.
- 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: Los Rastros Formation Target entity description: Los Rastros Formation is a Late Triassic geological formation in northwestern Argentina known for its fossil-rich sedimentary rocks that record ancient lake and river environments.
-
A.
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.
-
B.
Etchegoin Formation
The Etchegoin Formation is a geologic unit in California’s San Joaquin Basin known for its significant petroleum reservoirs, particularly in major fields such as the Belridge Oil Field.
-
C.
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.
-
D.
Yeso Formation
The Yeso Formation is a geologic unit of early Permian age in the southwestern United States, notable for its thick sequences of evaporites and sandstones that record arid, shallow-marine and coastal depositional environments within the Permian Basin region.
-
E.
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.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
stratigraphic unit ⓘ |
| containsFossils |
invertebrate fossils
ⓘ
plant fossils ⓘ vertebrate fossils ⓘ |
| continent | South America ⓘ |
| country | Argentina ⓘ |
| environmentOfDeposition |
fluvial
ⓘ
lacustrine ⓘ |
| geologicAge | Mesozoic ⓘ |
| geologicPeriod | Late Triassic ⓘ |
| hasScientificDiscipline |
paleontology
ⓘ
sedimentology ⓘ stratigraphy ⓘ |
| isPartOf | Triassic stratigraphy of Argentina ⓘ |
| knownFor | fossil-rich strata ⓘ |
| lithology | sedimentary rocks ⓘ |
| locatedIn | northwestern Argentina ⓘ |
| paleogeography | continental interior basin ⓘ |
| partOf |
Triassic System
ⓘ
linked to:
Triassic
|
| preserves | Triassic ecosystems ⓘ |
| records |
ancient lake environments
ⓘ
ancient river environments ⓘ |
| region | Andean region of Argentina ⓘ |
| rockType | clastic sedimentary rocks ⓘ |
| stratigraphicRank | formation ⓘ |
| temporalPosition | Late Triassic epoch ⓘ |
| usedFor |
biostratigraphic correlation in the Triassic of Argentina
ⓘ
reconstructing Triassic paleoenvironments ⓘ |
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: Los Rastros Formation Description of subject: Los Rastros Formation is a Late Triassic geological formation in northwestern Argentina known for its fossil-rich sedimentary rocks that record ancient lake and river environments.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.