Korba Coalfield
E764778
Korba Coalfield is a major coal mining region in Chhattisgarh, India, known for its extensive open-cast mines and significant contribution to the country’s thermal power generation.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Hasdeo coalfield | 1 |
| Korba Coalfield canonical | 1 |
| Korba coalfield | 1 |
| Korba coalfields | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8879212 — 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: Korba Coalfield Context triple: [Korba, coalfield, Korba Coalfield]
-
A.
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.
-
B.
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.
-
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.
Wardha Valley Coalfield
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.
-
E.
Raniganj coalfield
Raniganj coalfield is one of India’s oldest and most significant coal mining regions, located primarily in West Bengal and Jharkhand.
- 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: Korba Coalfield Target entity description: Korba Coalfield is a major coal mining region in Chhattisgarh, India, known for its extensive open-cast mines and significant contribution to the country’s thermal power generation.
-
A.
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.
-
B.
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.
-
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.
Wardha Valley Coalfield
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.
-
E.
Raniganj coalfield
Raniganj coalfield is one of India’s oldest and most significant coal mining regions, located primarily in West Bengal and Jharkhand.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
coalfield
ⓘ
mining region ⓘ |
| administrativeState | Chhattisgarh ⓘ |
| climateImpact | source of CO2 emissions via coal combustion ⓘ |
| coalType |
non-coking coal
ⓘ
thermal coal ⓘ |
| contributesTo | thermal power generation in India ⓘ |
| country | India ⓘ |
| economicImportance |
important source of fuel for power sector in India
ⓘ
major contributor to regional economy of Korba district ⓘ |
| environmentalImpact |
air pollution from coal dust
ⓘ
displacement of local communities ⓘ land degradation ⓘ water pollution from mine discharge ⓘ |
| geologicalBasin |
Mahanadi coal-bearing area
ⓘ
linked to:
Talcher coalfield
|
| hasMine |
Chhal mine
ⓘ
Dipka open cast mine ⓘ Gevra open cast mine ⓘ Kusmunda open cast mine ⓘ Laxman mine ⓘ Manikpur mine ⓘ |
| hasRailConnectivity | connected to Indian Railways network ⓘ |
| hasWorkforce | large number of mine workers ⓘ |
| knownFor |
high coal production
ⓘ
large-scale open-cast coal mining ⓘ |
| locatedIn |
Chhattisgarh
ⓘ
Korba district ⓘ
linked to:
Korba
central India ⓘ |
| miningMethod |
open-cast mining
ⓘ
surface mining ⓘ |
| operatedBy | South Eastern Coalfields Limited ⓘ |
| partOf | Mand–Raigarh coalfields region ⓘ |
| previousAdministrativeState | Madhya Pradesh ⓘ |
| previousAdministrativeStateUntil | 2000 ⓘ |
| regulator |
Directorate General of Mines Safety (India)
ⓘ
linked to:
Directorate General of Mines Safety
Ministry of Coal (India) ⓘ
linked to:
Ministry of Coal, Government of India
|
| resourceType | coal ⓘ |
| safetyConcerns | mine accidents risk ⓘ |
| sector |
energy sector
ⓘ
mining sector ⓘ |
| subsidiaryOfOperator | Coal India Limited ⓘ |
| suppliesTo |
Korba Super Thermal Power Station
ⓘ
linked to:
NTPC Korba Super Thermal Power Station
NTPC power plants ⓘ
linked to:
NTPC Korba Super Thermal Power Station
state-owned thermal power plants in Chhattisgarh ⓘ |
| transportMode |
rail transport of coal
ⓘ
road transport of coal ⓘ |
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: Korba Coalfield Description of subject: Korba Coalfield is a major coal mining region in Chhattisgarh, India, known for its extensive open-cast mines and significant contribution to the country’s thermal power generation.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Korba Coalfield
linked to: Korba Coalfield
linked to: Korba Coalfield