Eastern Shelf
E879039
Eastern Shelf is a prolific oil- and gas-bearing subregion along the eastern margin of the Permian Basin in West Texas, characterized by extensive carbonate and clastic sedimentary deposits.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Eastern Shelf canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10685713 — 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: Eastern Shelf Context triple: [Permian Basin, contains, Eastern Shelf]
-
A.
Scotian Shelf
The Scotian Shelf is a broad, shallow continental shelf off Atlantic Canada known for its rich marine ecosystems and important commercial fisheries.
-
B.
Newfoundland and Labrador shelf
The Newfoundland and Labrador shelf is a broad, shallow marine region off eastern Canada known for its cold waters, rich fisheries, and influence on North Atlantic ocean circulation and ecosystems.
-
C.
African continental shelf
The African continental shelf is the submerged, gently sloping extension of the African continent’s landmass, forming broad, shallow marine areas along its coasts.
-
D.
Atlantic coast
The Atlantic coast is the long oceanic shoreline where the Atlantic Ocean meets the bordering continents of Africa, Europe, and the Americas.
-
E.
Atlantic passive margin
The Atlantic passive margin is a tectonically quiet continental edge along the Atlantic Ocean characterized by broad continental shelves, thick sedimentary deposits, and a lack of major active plate boundaries or significant seismic and volcanic activity.
- 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: Eastern Shelf Target entity description: Eastern Shelf is a prolific oil- and gas-bearing subregion along the eastern margin of the Permian Basin in West Texas, characterized by extensive carbonate and clastic sedimentary deposits.
-
A.
Scotian Shelf
The Scotian Shelf is a broad, shallow continental shelf off Atlantic Canada known for its rich marine ecosystems and important commercial fisheries.
-
B.
Newfoundland and Labrador shelf
The Newfoundland and Labrador shelf is a broad, shallow marine region off eastern Canada known for its cold waters, rich fisheries, and influence on North Atlantic ocean circulation and ecosystems.
-
C.
African continental shelf
The African continental shelf is the submerged, gently sloping extension of the African continent’s landmass, forming broad, shallow marine areas along its coasts.
-
D.
Atlantic coast
The Atlantic coast is the long oceanic shoreline where the Atlantic Ocean meets the bordering continents of Africa, Europe, and the Americas.
-
E.
Atlantic passive margin
The Atlantic passive margin is a tectonically quiet continental edge along the Atlantic Ocean characterized by broad continental shelves, thick sedimentary deposits, and a lack of major active plate boundaries or significant seismic and volcanic activity.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
gas-bearing region
ⓘ
geologic subregion ⓘ hydrocarbon province ⓘ oil-bearing region ⓘ |
| hasBasinType | fore-shelf of Permian Basin ⓘ |
| hasCharacteristic | prolific hydrocarbon production ⓘ |
| hasDepositionalEnvironment |
clastic shelf deposits
ⓘ
shallow marine carbonates ⓘ |
| hasEconomicImportance |
major gas-producing area in West Texas
ⓘ
major oil-producing area in West Texas ⓘ |
| hasExplorationHistory | intensively explored for hydrocarbons ⓘ |
| hasGeologicAge | Permian ⓘ |
| hasLithology |
carbonate rocks
ⓘ
clastic sedimentary rocks ⓘ |
| hasProductionStatus | mature hydrocarbon province ⓘ |
| hasResourceType |
natural gas
ⓘ
oil ⓘ |
| hasStratigraphicSetting | eastern margin of the Permian Basin ⓘ |
| hasStructuralStyle | relatively gentle structural dip ⓘ |
| isKnownFor |
extensive carbonate reservoirs
ⓘ
extensive clastic reservoirs ⓘ |
| locatedIn |
Texas
ⓘ
United States ⓘ
linked to:
United States of America
West Texas ⓘ |
| partOf | Permian Basin ⓘ |
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: Eastern Shelf Description of subject: Eastern Shelf is a prolific oil- and gas-bearing subregion along the eastern margin of the Permian Basin in West Texas, characterized by extensive carbonate and clastic sedimentary deposits.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.