Mereenie Sandstone
E289603
Mereenie Sandstone is a significant geological formation in central Australia known for its hydrocarbon-bearing reservoirs and extensive outcrops within the Amadeus Basin.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mereenie Sandstone canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2681694 — 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.
Target entity: Mereenie Sandstone Context triple: [Amadeus Basin, containsFormation, Mereenie Sandstone]
-
A.
Entrada Sandstone
Entrada Sandstone is a Jurassic-age sedimentary rock formation in the U.S. Southwest, renowned for forming the dramatic natural arches and other erosional landforms seen in places like Arches National Park.
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B.
Heavitree Quartzite
Heavitree Quartzite is a prominent Proterozoic quartzite rock formation in central Australia, notable for its extensive outcrops and role as a key stratigraphic unit in the region’s geological history.
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C.
Millstone Grit
Millstone Grit is a coarse-grained Carboniferous sandstone formation in northern England, notably forming the rugged moorland landscapes of the Pennines.
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D.
Old Red Sandstone
Old Red Sandstone is a thick sequence of Devonian-age sedimentary rocks, notable for its red coloration and widespread occurrence across parts of Scotland and other regions of the North Atlantic.
-
E.
Tura limestone
Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Mereenie Sandstone Target entity description: Mereenie Sandstone is a significant geological formation in central Australia known for its hydrocarbon-bearing reservoirs and extensive outcrops within the Amadeus Basin.
-
A.
Entrada Sandstone
Entrada Sandstone is a Jurassic-age sedimentary rock formation in the U.S. Southwest, renowned for forming the dramatic natural arches and other erosional landforms seen in places like Arches National Park.
-
B.
Heavitree Quartzite
Heavitree Quartzite is a prominent Proterozoic quartzite rock formation in central Australia, notable for its extensive outcrops and role as a key stratigraphic unit in the region’s geological history.
-
C.
Millstone Grit
Millstone Grit is a coarse-grained Carboniferous sandstone formation in northern England, notably forming the rugged moorland landscapes of the Pennines.
-
D.
Old Red Sandstone
Old Red Sandstone is a thick sequence of Devonian-age sedimentary rocks, notable for its red coloration and widespread occurrence across parts of Scotland and other regions of the North Atlantic.
-
E.
Tura limestone
Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
sedimentary rock unit ⓘ stratigraphic unit ⓘ |
| ageCharacteristic | Paleozoic ⓘ |
| color | red-brown ⓘ |
| contains | reservoir-quality sandstones ⓘ |
| country | Australia ⓘ |
| depositionalEnvironment |
aeolian
ⓘ
fluvial ⓘ |
| diageneticFeatures |
cementation by carbonate
ⓘ
cementation by quartz ⓘ dissolution-enhanced porosity ⓘ |
| economicSignificance | major hydrocarbon reservoir in the Amadeus Basin ⓘ |
| formsPartOf | subsurface reservoir sequence of the Amadeus Basin ⓘ |
| geologicalPeriod |
Devonian Period
ⓘ
surface form:
Devonian
|
| grainSize | fine- to medium-grained ⓘ |
| hasCommercialField | Mereenie oil and gas field ⓘ |
| hasOutcropsIn |
Glen Helen Gorge
ⓘ
surface form:
Glen Helen area
Mereenie area ⓘ MacDonnell Ranges ⓘ
surface form:
West MacDonnell Ranges
|
| hasResource |
crude oil
ⓘ
natural gas ⓘ |
| hasStructuralSetting | intracratonic basin ⓘ |
| isMappedBy |
Geoscience Australia
ⓘ
Northern Territory Geological Survey ⓘ |
| isReservoirFor | hydrocarbons ⓘ |
| lithology |
conglomerate
ⓘ
sandstone ⓘ siltstone ⓘ |
| locatedIn |
Amadeus Basin
ⓘ
Central Australia ⓘ Northern Territory ⓘ |
| namedAfter | Mereenie area ⓘ |
| overlies |
Horn Valley Siltstone
ⓘ
Pacoota Sandstone ⓘ |
| partOf | Amadeus Basin stratigraphy ⓘ |
| playsRoleIn | regional petroleum system of the Amadeus Basin ⓘ |
| porosityType |
primary porosity
ⓘ
secondary porosity ⓘ |
| region | central Australia ⓘ |
| thicknessCharacteristic | variable thickness across Amadeus Basin ⓘ |
| underlies | Pertnjara Group ⓘ |
| usedFor | petroleum production ⓘ |
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.
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.
Subject: Mereenie Sandstone Description of subject: Mereenie Sandstone is a significant geological formation in central Australia known for its hydrocarbon-bearing reservoirs and extensive outcrops within the Amadeus Basin.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.