Genesis Rock
E247687
Genesis Rock is a famous lunar anorthosite sample collected during the Apollo 15 mission, believed to be among the Moon’s oldest crustal rocks.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Genesis Rock canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2238467 — 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: Genesis Rock Context triple: [Apollo 15, notableSample, Genesis Rock]
-
A.
Rockwood
Rockwood is a small city in eastern Tennessee that forms part of the Knoxville metropolitan area.
-
B.
Stonegate
Stonegate is a master-planned residential village within the city of Irvine, California, known for its suburban neighborhoods, parks, and community amenities.
-
C.
Rock Ridge
Rock Ridge is an extension to the ISO 9660 CD-ROM file system standard that adds support for long filenames, deeper directory hierarchies, and POSIX-style file attributes.
-
D.
Africa Rocks
Africa Rocks is a themed exhibit at the San Diego Zoo that showcases the diverse wildlife and habitats found across the African continent.
-
E.
Hicks Stone
Hicks Stone is an American architect and author known for preserving and documenting the legacy of his father, modernist architect Edward Durell Stone.
- 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: Genesis Rock Target entity description: Genesis Rock is a famous lunar anorthosite sample collected during the Apollo 15 mission, believed to be among the Moon’s oldest crustal rocks.
-
A.
Rockwood
Rockwood is a small city in eastern Tennessee that forms part of the Knoxville metropolitan area.
-
B.
Stonegate
Stonegate is a master-planned residential village within the city of Irvine, California, known for its suburban neighborhoods, parks, and community amenities.
-
C.
Rock Ridge
Rock Ridge is an extension to the ISO 9660 CD-ROM file system standard that adds support for long filenames, deeper directory hierarchies, and POSIX-style file attributes.
-
D.
Africa Rocks
Africa Rocks is a themed exhibit at the San Diego Zoo that showcases the diverse wildlife and habitats found across the African continent.
-
E.
Hicks Stone
Hicks Stone is an American architect and author known for preserving and documenting the legacy of his father, modernist architect Edward Durell Stone.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Apollo lunar sample
ⓘ
anorthosite ⓘ lunar rock sample ⓘ |
| approximateAge | about 4.0 billion years ⓘ |
| associatedProgram | Apollo program ⓘ |
| catalogDesignation | Lunar Sample 15415 ⓘ |
| collectedAtStation |
Station 2 (Apollo 15) on the Apennine Front
ⓘ
linked to:
Apollo 15
|
| collectedByAstronaut |
David Scott
ⓘ
James B. Irwin ⓘ |
| collectedByMissionType | crewed lunar landing mission ⓘ |
| collectedDuring | Apollo 15 ⓘ |
| collectedOnCelestialBody | Moon ⓘ |
| collectionDate | 1971-07-31 ⓘ |
| color | white ⓘ |
| countryCustodian |
United States
ⓘ
linked to:
United States of America
|
| currentLocation | Lunar Sample Laboratory Facility, Johnson Space Center ⓘ |
| displayStatus | primarily kept in curation; small portions used for research and exhibits ⓘ |
| dominantMineral | plagioclase feldspar ⓘ |
| EVA |
Apollo 15 EVA 2
ⓘ
linked to:
Apollo 15
|
| foundAtLocation |
Hadley–Apennine region of the Moon
ⓘ
linked to:
Mare Imbrium vicinity
|
| foundNearFeature |
Apennine Front
ⓘ
Hadley Rille ⓘ |
| geologicSetting | lunar highlands ⓘ |
| gravityEnvironmentOfOrigin | low gravity (lunar) environment ⓘ |
| initialAgeInterpretation | about 4.5 billion years ⓘ |
| laterAgeRevision | age revised downward with improved radiometric dating ⓘ |
| mass | 270 grams ⓘ |
| mission | Apollo 15 ⓘ |
| missionSampleCollectionMethod | extravehicular activity (EVA) sampling ⓘ |
| nicknamedBy |
Apollo 15 astronauts
ⓘ
linked to:
Apollo 15
|
| nicknameReason | thought to represent the Moon’s original “genesis” crust ⓘ |
| notableProperty |
among the oldest known lunar crustal rocks
ⓘ
one of the most famous lunar samples returned to Earth ⓘ |
| plagioclaseContent | >98% ⓘ |
| planetaryBodyOfOrigin | Earth–Moon system ⓘ |
| rockType | ferroan anorthosite ⓘ |
| sampleCategory | pristine lunar sample ⓘ |
| sampleNumber | 15415 ⓘ |
| sampleSuite | Apollo 15 anorthosite suite ⓘ |
| scientificSignificance |
interpreted as a fragment of the Moon’s primordial crust
ⓘ
used to support the lunar magma ocean hypothesis ⓘ |
| spaceAgencyCustodian | NASA ⓘ |
| texture | coarse-grained plutonic rock ⓘ |
| usedInStudyOf |
early Solar System history
ⓘ
lunar crust formation ⓘ lunar magma ocean crystallization ⓘ |
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: Genesis Rock Description of subject: Genesis Rock is a famous lunar anorthosite sample collected during the Apollo 15 mission, believed to be among the Moon’s oldest crustal rocks.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.