Damodar Valley coalfields

E657065

coal-bearing area coalfield region

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.

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All labels observed (6)

Label	Occurrences
Damodar Valley coalfields canonical	3
Damodar Valley industrial region	2
Damodar Valley coal mining belt	1
Eastern coalfields of India	1
Jharia–Bokaro coal belt	1
Jharia–Raniganj coal belt	1

How this entity was disambiguated

This entity first appeared as the object of triple T7306560 — 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: Damodar Valley coalfields
Context triple: [Jharia coalfield, partOf, Damodar Valley coalfields]

A. Raniganj coalfield
Raniganj coalfield is one of India’s oldest and most significant coal mining regions, located primarily in West Bengal and Jharkhand.
B. 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.
C. 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.
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. Digboi oil field
Digboi oil field is one of the oldest producing oil fields in the world, located in Assam, India, and historically significant as the site of early oil exploration in Asia.
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: Damodar Valley coalfields
Target entity description: 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.

A. Raniganj coalfield
Raniganj coalfield is one of India’s oldest and most significant coal mining regions, located primarily in West Bengal and Jharkhand.
B. 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.
C. 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.
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. Digboi oil field
Digboi oil field is one of the oldest producing oil fields in the world, located in Assam, India, and historically significant as the site of early oil exploration in Asia.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	coal-bearing area ⓘ coalfield region ⓘ
associatedWith	opencast coal mining ⓘ underground coal mining ⓘ
coalType	bituminous coal ⓘ
contains	Bokaro coalfield ⓘ East Bokaro coalfield ⓘ linked to: Bokaro coalfield Giridih coalfield ⓘ Jharia coalfield ⓘ Karanpura coalfield ⓘ Ramgarh coalfield ⓘ Raniganj coalfield ⓘ West Bokaro coalfield ⓘ linked to: Bokaro coalfield
country	India ⓘ
economicImportance	central to India’s coal mining industry ⓘ major coal-producing region of India ⓘ
environmentalIssues	air pollution ⓘ land subsidence ⓘ mine fires ⓘ water pollution ⓘ
geologicalAge	Permian ⓘ
geologicalFormation	Gondwana coalfields ⓘ
hasInfrastructure	coal handling plants ⓘ coal washeries ⓘ railway coal transport network ⓘ
historicalSignificance	among earliest developed coal mining areas in India ⓘ
locatedIn	Damodar River basin ⓘ linked to: Damodar Valley region Jharkhand ⓘ West Bengal ⓘ eastern India ⓘ
managedBy	Bharat Coking Coal Limited ⓘ Coal India Limited ⓘ Eastern Coalfields Limited ⓘ
near	Asansol ⓘ Bokaro Steel City ⓘ Dhanbad ⓘ
partOf	Damodar Valley ⓘ linked to: Damodar River Indian coal sector ⓘ
resource	coking coal ⓘ non-coking coal ⓘ
stratigraphicUnit	Damuda series ⓘ Raniganj formation ⓘ linked to: Raniganj Formation
supportsIndustry	steel plants in eastern India ⓘ thermal power plants in eastern India ⓘ
usedFor	industrial fuel supply ⓘ power generation ⓘ steel production ⓘ

How these facts were elicited