Allende meteorite specimens
E303168
The Allende meteorite specimens are fragments of a large carbonaceous chondrite that fell in Mexico in 1969 and are prized by scientists as some of the oldest and most primitive material from the early solar system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Allende meteorite | 1 |
| Allende meteorite specimens canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2851458 — 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: Allende meteorite specimens Context triple: [American Museum of Natural History, hasNotableObject, Allende meteorite specimens]
-
A.
Mineralia
Mineralia is the mineral kingdom in Carl Linnaeus’s Systema Naturae, encompassing all non-living, inorganic natural substances.
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B.
Nakhl
Nakhl is a small desert town and administrative center located in Egypt’s North Sinai region, historically serving as a strategic waypoint in the central Sinai Peninsula.
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C.
Météores
Météores is one of the scientific essays by René Descartes, accompanying his Discours de la méthode and focusing on the study of meteorological and atmospheric phenomena.
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D.
Gaspra
Gaspra is a seaside resort town on the southern coast of Crimea, known for its mild climate, beaches, and historic landmarks such as the Swallow's Nest castle.
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E.
Selenites
Selenites are the fictional intelligent lunar inhabitants depicted in H. G. Wells's science fiction novel "The First Men in the Moon," characterized by their insect-like physiology and complex underground society.
- 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: Allende meteorite specimens Target entity description: The Allende meteorite specimens are fragments of a large carbonaceous chondrite that fell in Mexico in 1969 and are prized by scientists as some of the oldest and most primitive material from the early solar system.
-
A.
Mineralia
Mineralia is the mineral kingdom in Carl Linnaeus’s Systema Naturae, encompassing all non-living, inorganic natural substances.
-
B.
Nakhl
Nakhl is a small desert town and administrative center located in Egypt’s North Sinai region, historically serving as a strategic waypoint in the central Sinai Peninsula.
-
C.
Météores
Météores is one of the scientific essays by René Descartes, accompanying his Discours de la méthode and focusing on the study of meteorological and atmospheric phenomena.
-
D.
Gaspra
Gaspra is a seaside resort town on the southern coast of Crimea, known for its mild climate, beaches, and historic landmarks such as the Swallow's Nest castle.
-
E.
Selenites
Selenites are the fictional intelligent lunar inhabitants depicted in H. G. Wells's science fiction novel "The First Men in the Moon," characterized by their insect-like physiology and complex underground society.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
carbonaceous chondrite fragments
ⓘ
meteorite specimens ⓘ |
| approximateAge | 4.56 billion years ⓘ |
| compositionType | stony meteorite ⓘ |
| contains |
amino acids
ⓘ
calcium–aluminum-rich inclusions ⓘ carbonaceous material ⓘ chondrules ⓘ matrix rich in fine-grained material ⓘ organic compounds ⓘ presolar grains ⓘ refractory inclusions ⓘ |
| discoveryMethod | observed fall ⓘ |
| distribution | multiple research institutions worldwide ⓘ |
| fallCountry | Mexico ⓘ |
| fallDate | 1969-02-08 ⓘ |
| fallLocation |
Chihuahua, Mexico
ⓘ
near Pueblito de Allende ⓘ |
| fallYear | 1969 ⓘ |
| hostBody | asteroidal parent body ⓘ |
| interiorAppearance | black matrix with white inclusions ⓘ |
| meteoriteClass | carbonaceous chondrite ⓘ |
| meteoriteGroup | CV3 ⓘ |
| namedAfter | Pueblito de Allende ⓘ |
| notableFor |
abundance of calcium–aluminum-rich inclusions
ⓘ
evidence of early Solar System heating events ⓘ high scientific value ⓘ nucleosynthetic isotopic anomalies ⓘ oxygen isotopic anomalies ⓘ |
| partOf |
Allende meteorite specimens
self-linksurface differs
ⓘ
surface form:
Allende meteorite
|
| relatedEvent | Allende meteorite fall ⓘ |
| significance |
among the oldest known solid materials in the Solar System
ⓘ
considered primitive solar nebula material ⓘ |
| storage |
national meteorite collections
ⓘ
natural history museums ⓘ university collections ⓘ |
| studiedBy |
cosmochemists
ⓘ
meteoriticists ⓘ planetary scientists ⓘ |
| surfaceAppearance | dark fusion crust ⓘ |
| totalKnownWeight | over 2 metric tons ⓘ |
| usedFor |
chronology of planetary formation
ⓘ
cosmochemistry research ⓘ early Solar System studies ⓘ isotopic anomaly studies ⓘ organic chemistry in meteorites ⓘ presolar grain analysis ⓘ |
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: Allende meteorite specimens Description of subject: The Allende meteorite specimens are fragments of a large carbonaceous chondrite that fell in Mexico in 1969 and are prized by scientists as some of the oldest and most primitive material from the early solar system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Allende meteorite