Antrim Shale
E1336852
UNEXPLORED
Antrim Shale is a Devonian-age black shale formation in the Michigan Basin known as a significant source of natural gas and hydrocarbons.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Antrim Shale canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18692294 — 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: Antrim Shale Context triple: [Michigan Basin, containsFormation, Antrim Shale]
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A.
Utica Shale
Utica Shale is a major organic-rich shale formation in the northeastern United States that serves as an important source of natural gas and oil.
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B.
Ashfield Shale
Ashfield Shale is a geological rock unit in the Sydney Basin of eastern Australia, notable for its fine-grained sedimentary deposits formed during the Triassic period.
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C.
Ninnescah Shale
Ninnescah Shale is a geologic rock unit known for its shale deposits, typically associated with Permian-age sedimentary sequences in the central United States.
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D.
Organ Rock Shale
Organ Rock Shale is a Permian-age sedimentary rock formation in the American Southwest, notable for forming part of the striking red cliffs and mesas of Monument Valley and surrounding regions.
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E.
Graneros Shale
Graneros Shale is a Cretaceous-age marine shale formation in the central United States, notable for recording the early transgression of the Western Interior Seaway and for its fossil-rich, fine-grained sediments.
- 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: Antrim Shale Target entity description: Antrim Shale is a Devonian-age black shale formation in the Michigan Basin known as a significant source of natural gas and hydrocarbons.
-
A.
Utica Shale
Utica Shale is a major organic-rich shale formation in the northeastern United States that serves as an important source of natural gas and oil.
-
B.
Ashfield Shale
Ashfield Shale is a geological rock unit in the Sydney Basin of eastern Australia, notable for its fine-grained sedimentary deposits formed during the Triassic period.
-
C.
Ninnescah Shale
Ninnescah Shale is a geologic rock unit known for its shale deposits, typically associated with Permian-age sedimentary sequences in the central United States.
-
D.
Organ Rock Shale
Organ Rock Shale is a Permian-age sedimentary rock formation in the American Southwest, notable for forming part of the striking red cliffs and mesas of Monument Valley and surrounding regions.
-
E.
Graneros Shale
Graneros Shale is a Cretaceous-age marine shale formation in the central United States, notable for recording the early transgression of the Western Interior Seaway and for its fossil-rich, fine-grained sediments.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.