Meghalayan
E99900
The Meghalayan is the most recent and current age of the Holocene epoch, defined by a global climatic event marked by a major drought and cooling period that began about 4,200 years ago.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Meghalayan canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T742169 — 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: Meghalayan Context triple: [Holocene, hasStage, Meghalayan]
-
A.
Meghalaya
Meghalaya is a hilly state in northeastern India known for its heavy rainfall, lush forests, and diverse indigenous cultures.
-
B.
Garhwal
Garhwal is a mountainous cultural region in the Indian Himalayas, known for its Garhwali heritage, pilgrimage sites, and scenic landscapes in present-day Uttarakhand.
-
C.
Kumaon
Kumaon is a culturally rich Himalayan region in the Indian state of Uttarakhand, known for its mountainous landscapes, distinct traditions, and historic hill towns like Nainital and Almora.
-
D.
Uttarakhand
Uttarakhand is a northern Indian state in the Himalayas known for its sacred rivers, pilgrimage sites, and mountainous landscapes.
-
E.
Himachal Pradesh
Himachal Pradesh is a mountainous state in northern India known for its Himalayan landscapes, hill stations, and tourism.
- 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: Meghalayan Target entity description: The Meghalayan is the most recent and current age of the Holocene epoch, defined by a global climatic event marked by a major drought and cooling period that began about 4,200 years ago.
-
A.
Meghalaya
Meghalaya is a hilly state in northeastern India known for its heavy rainfall, lush forests, and diverse indigenous cultures.
-
B.
Garhwal
Garhwal is a mountainous cultural region in the Indian Himalayas, known for its Garhwali heritage, pilgrimage sites, and scenic landscapes in present-day Uttarakhand.
-
C.
Kumaon
Kumaon is a culturally rich Himalayan region in the Indian state of Uttarakhand, known for its mountainous landscapes, distinct traditions, and historic hill towns like Nainital and Almora.
-
D.
Uttarakhand
Uttarakhand is a northern Indian state in the Himalayas known for its sacred rivers, pilgrimage sites, and mountainous landscapes.
-
E.
Himachal Pradesh
Himachal Pradesh is a mountainous state in northern India known for its Himalayan landscapes, hill stations, and tourism.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
chronostratigraphic unit
ⓘ
geologic age ⓘ |
| associatedWith | cultural and societal disruptions in several ancient civilizations ⓘ |
| belongsTo |
Holocene
ⓘ
surface form:
Late Holocene
|
| characterizedBy |
regional monsoon weakening
ⓘ
widespread aridity ⓘ |
| chronologicalRank | age ⓘ |
| climateContext | Holocene climate variability ⓘ |
| climaticEventAssociated | 4.2 kiloyear event ⓘ |
| correlatesWith | late Bronze Age climatic disturbances ⓘ |
| definedBy |
cooling period
ⓘ
global climatic event ⓘ major drought ⓘ |
| evidenceFrom |
lake sediment records
ⓘ
marine cores ⓘ speleothem oxygen isotope records ⓘ |
| follows | Northgrippian ⓘ |
| formalizedIn | Holocene subdivision proposal ⓘ |
| formalName | Meghalayan Age ⓘ |
| globalScope | yes ⓘ |
| GSSPApprovalBody |
International Union of Geological Sciences
ⓘ
surface form:
IUGS Executive Committee
|
| GSSPDefinedAt | Mawmluh Cave ⓘ |
| GSSPLocation | Mawmluh Cave, Meghalaya, India ⓘ |
| GSSPTypeSection | speleothem in Mawmluh Cave ⓘ |
| isPartOf |
Holocene
ⓘ
surface form:
Holocene subdivision
|
| namedAfter |
Meghalaya
ⓘ
surface form:
Meghalaya, India
|
| partOf |
Holocene
ⓘ
surface form:
Holocene epoch
|
| positionInHolocene | youngest age of the Holocene ⓘ |
| precededBy |
Northgrippian
ⓘ
surface form:
Northgrippian age
|
| ratificationYear | 2018 ⓘ |
| ratifiedBy |
International Commission on Stratigraphy
ⓘ
International Union of Geological Sciences ⓘ |
| startTime |
4.2 ka BP
ⓘ
approximately 4,200 years ago ⓘ |
| status | current age of the Holocene ⓘ |
| subdivisionLevel | subdivision of Holocene Series/Epoch ⓘ |
| subdivisionOf |
Cenozoic
ⓘ
surface form:
Cenozoic era
Quaternary period ⓘ |
| temporalExtent | from 4.2 ka BP to present ⓘ |
| timeScale | International Chronostratigraphic Chart ⓘ |
| usedInDiscipline |
Quaternary science
ⓘ
geology ⓘ paleoclimatology ⓘ |
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: Meghalayan Description of subject: The Meghalayan is the most recent and current age of the Holocene epoch, defined by a global climatic event marked by a major drought and cooling period that began about 4,200 years ago.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.