Wardha Valley Coalfield
E696816
Wardha Valley Coalfield is a major coal mining region in Maharashtra, India, known for its extensive reserves of non-coking coal that support regional power generation and industry.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Wardha Valley Coalfield canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7913780 — 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: Wardha Valley Coalfield Context triple: [Chandrapur district, hasCoalfield, Wardha Valley Coalfield]
-
A.
Sohagpur coalfield
Sohagpur coalfield is a major coal mining region in central India known for its significant reserves that support regional power generation and industry.
-
B.
Raniganj coalfield
Raniganj coalfield is one of India’s oldest and most significant coal mining regions, located primarily in West Bengal and Jharkhand.
-
C.
Bokaro coalfield
Bokaro coalfield is a major coal-producing region in Jharkhand, India, known for its extensive reserves of high-quality coking coal that support the country’s steel and power industries.
-
D.
Jharia coalfield
Jharia coalfield is one of India’s largest and oldest coal mining regions, renowned for its rich coking coal reserves and long-standing underground coal fires.
-
E.
Damodar Valley coalfields
The Damodar Valley coalfields are a major coal-bearing region in eastern India encompassing several important coalfields, including Jharia, that have long been central to the country’s coal mining industry.
- 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: Wardha Valley Coalfield Target entity description: Wardha Valley Coalfield is a major coal mining region in Maharashtra, India, known for its extensive reserves of non-coking coal that support regional power generation and industry.
-
A.
Sohagpur coalfield
Sohagpur coalfield is a major coal mining region in central India known for its significant reserves that support regional power generation and industry.
-
B.
Raniganj coalfield
Raniganj coalfield is one of India’s oldest and most significant coal mining regions, located primarily in West Bengal and Jharkhand.
-
C.
Bokaro coalfield
Bokaro coalfield is a major coal-producing region in Jharkhand, India, known for its extensive reserves of high-quality coking coal that support the country’s steel and power industries.
-
D.
Jharia coalfield
Jharia coalfield is one of India’s largest and oldest coal mining regions, renowned for its rich coking coal reserves and long-standing underground coal fires.
-
E.
Damodar Valley coalfields
The Damodar Valley coalfields are a major coal-bearing region in eastern India encompassing several important coalfields, including Jharia, that have long been central to the country’s coal mining industry.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | coalfield ⓘ |
| administeredBy | Western Coalfields Limited NERFINISHED ⓘ |
| coalRank | bituminous to sub-bituminous ⓘ |
| coalType | non-coking coal ⓘ |
| commodity | coal ⓘ |
| country | India ⓘ |
| economicRole | major contributor to regional economy ⓘ |
| environmentalImpact |
air pollution from coal dust
ⓘ
land degradation ⓘ water pollution from mine discharge ⓘ |
| fuelFor | thermal power plants in Maharashtra ⓘ |
| geologicalAge | Gondwana Supergroup NERFINISHED ⓘ |
| geologicalPeriod | Permian ⓘ |
| hasMiningMethod |
opencast mining
ⓘ
underground mining ⓘ |
| hasResource |
indicated coal reserves
ⓘ
inferred coal reserves ⓘ proven coal reserves ⓘ |
| knownFor |
extensive non-coking coal reserves
ⓘ
open-cast coal mining ⓘ |
| locatedIn |
Chandrapur district
NERFINISHED
ⓘ
Maharashtra ⓘ Wardha Valley NERFINISHED ⓘ Wardha district NERFINISHED ⓘ Yavatmal district NERFINISHED ⓘ central India ⓘ |
| locatedOn | Wardha River basin NERFINISHED ⓘ |
| ownership | Government of India (through Coal India Limited) NERFINISHED ⓘ |
| partOf |
Gondwana coalfields of India
NERFINISHED
ⓘ
Indian coal sector ⓘ Vidarbha region NERFINISHED ⓘ |
| productForm |
raw coal
ⓘ
washed coal ⓘ |
| regulates |
Directorate General of Mines Safety (India)
NERFINISHED
ⓘ
Ministry of Coal (India) NERFINISHED ⓘ |
| resourceType | thermal coal ⓘ |
| servesSector |
cement industry
ⓘ
power sector ⓘ steel and sponge iron industry ⓘ |
| state | Maharashtra ⓘ |
| supports |
industrial fuel supply
ⓘ
regional employment ⓘ regional power generation ⓘ |
| transportMode |
railway
ⓘ
road ⓘ |
| usedFor |
electricity generation
ⓘ
industrial boilers ⓘ |
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: Wardha Valley Coalfield Description of subject: Wardha Valley Coalfield is a major coal mining region in Maharashtra, India, known for its extensive reserves of non-coking coal that support regional power generation and industry.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Chandrapur district