Gondwana coalfields
E662241
Gondwana coalfields are extensive coal-bearing geological formations in India dating back to the Gondwana period, known for hosting major coal deposits such as those in the Bokaro region.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Gondwana coalfields canonical | 2 |
| Gondwana coalfields of India | 2 |
| Lower Gondwana formations | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7400322 — 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: Gondwana coalfields Context triple: [Bokaro coalfield, geologicalBasin, Gondwana coalfields]
-
A.
Illawarra Coal Measures
The Illawarra Coal Measures are a major Late Permian coal-bearing geological sequence in eastern Australia, notable for their extensive coal deposits within the Sydney Basin.
-
B.
Arigna coal mining area
The Arigna coal mining area is a historic coalfield in County Roscommon, Ireland, known for its long tradition of coal extraction and its preserved mining heritage center.
-
C.
Minette iron-ore basin
The Minette iron-ore basin is a historically important iron ore mining region in Lorraine and neighboring areas that underpinned much of the steel industry in Luxembourg and northeastern France.
-
D.
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.
-
E.
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.
- 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: Gondwana coalfields Target entity description: Gondwana coalfields are extensive coal-bearing geological formations in India dating back to the Gondwana period, known for hosting major coal deposits such as those in the Bokaro region.
-
A.
Illawarra Coal Measures
The Illawarra Coal Measures are a major Late Permian coal-bearing geological sequence in eastern Australia, notable for their extensive coal deposits within the Sydney Basin.
-
B.
Arigna coal mining area
The Arigna coal mining area is a historic coalfield in County Roscommon, Ireland, known for its long tradition of coal extraction and its preserved mining heritage center.
-
C.
Minette iron-ore basin
The Minette iron-ore basin is a historically important iron ore mining region in Lorraine and neighboring areas that underpinned much of the steel industry in Luxembourg and northeastern France.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
coal-bearing sedimentary basin
ⓘ
coalfield system ⓘ geological formation ⓘ |
| country | India ⓘ |
| depositionalEnvironment | fluvio-lacustrine ⓘ |
| economicImportance | major source of Indian coal production ⓘ |
| foundInState |
Andhra Pradesh
ⓘ
Chhattisgarh ⓘ Jharkhand ⓘ Madhya Pradesh ⓘ Maharashtra ⓘ Odisha ⓘ
linked to:
Orissa
Telangana ⓘ West Bengal ⓘ |
| geologicalAge |
Paleozoic
ⓘ
Permian ⓘ |
| geologicalPeriod | Gondwana period ⓘ |
| hostMajorDeposit |
Bokaro coalfield
ⓘ
Godavari Valley coalfield ⓘ
linked to:
Godavari Valley coalfields
Ib Valley coalfield ⓘ Jharia coalfield ⓘ Raniganj coalfield ⓘ Singareni coalfields ⓘ Talcher coalfield ⓘ Wardha Valley coalfield ⓘ
linked to:
Wardha Valley Coalfield
|
| hostMajorDeposit |
Korba coalfield
ⓘ
linked to:
Korba Coalfield
Pench–Kanhan–Tawa coalfields ⓘ Singrauli coalfield ⓘ
linked to:
Singrauli coalfields
|
| lithology |
coal seams
ⓘ
sandstone ⓘ shale ⓘ |
| locatedIn | India ⓘ |
| namedAfter | Gondwana ⓘ |
| partOf |
Gondwana Supergroup
ⓘ
linked to:
Gondwana Group
|
| primaryResource |
bituminous coal
ⓘ
coking coal ⓘ non-coking coal ⓘ |
| significance |
foundation of India’s coal-based energy sector
ⓘ
key to understanding Indian Gondwana stratigraphy ⓘ |
| stratigraphicUnit | Gondwana Group ⓘ |
| tectonicSetting | intracratonic basins ⓘ |
| timeOfMajorCoalFormation |
Permian period
ⓘ
linked to:
Permian Period
|
| usedFor |
cement industry
ⓘ
electricity generation ⓘ steel industry ⓘ |
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: Gondwana coalfields Description of subject: Gondwana coalfields are extensive coal-bearing geological formations in India dating back to the Gondwana period, known for hosting major coal deposits such as those in the Bokaro region.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Gondwana coalfields
linked to: Gondwana coalfields
linked to: Gondwana coalfields