Hamersley Group
E912373
The Hamersley Group is a major sequence of ancient sedimentary and volcanic rocks in Western Australia renowned for its extensive banded iron formations and rich iron ore deposits.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
geologic group
ⓘ
rock unit ⓘ stratigraphic unit ⓘ |
| approximateAgeMa | 2600–2400 ⓘ |
| contains |
banded iron formations
ⓘ
iron ore ⓘ |
| containsFormation |
Brockman Iron Formation
NERFINISHED
ⓘ
Dales Gorge Member NERFINISHED ⓘ Marra Mamba Iron Formation NERFINISHED ⓘ Weeli Wolli Formation NERFINISHED ⓘ |
| containsMineral |
goethite
ⓘ
hematite ⓘ magnetite ⓘ |
| country | Australia ⓘ |
| depositionalEnvironment |
marine
ⓘ
volcanic ⓘ |
| economicImportance |
important to Australian mining industry
ⓘ
major source of iron ore ⓘ |
| geologicAge |
Neoarchean
ⓘ
Paleoproterozoic ⓘ |
| geologicPeriod |
Archean
ⓘ
Paleoproterozoic ⓘ |
| hasStratigraphicThickness | more than 2500 m ⓘ |
| hostedIn | Hamersley Range NERFINISHED ⓘ |
| knownFor |
extensive banded iron formations
ⓘ
rich iron ore deposits ⓘ |
| lithology |
banded iron formation
ⓘ
chert ⓘ dolomite ⓘ shale ⓘ volcanic rock ⓘ |
| locatedIn |
Hamersley Province
NERFINISHED
ⓘ
Western Australia ⓘ |
| minedIn | Pilbara iron ore province NERFINISHED ⓘ |
| namedAfter | Hamersley Range NERFINISHED ⓘ |
| oreType | banded iron formation–hosted iron ore ⓘ |
| overlies | Fortescue Group NERFINISHED ⓘ |
| partOf |
Hamersley Basin
NERFINISHED
ⓘ
Pilbara Craton NERFINISHED ⓘ |
| region | Pilbara region NERFINISHED ⓘ |
| resourceType | high‑grade iron ore ⓘ |
| significance | records early Earth atmospheric and ocean evolution ⓘ |
| studyField |
economic geology
ⓘ
sedimentology ⓘ stratigraphy ⓘ |
| tectonicSetting | stable cratonic basin ⓘ |
| underlies | Turee Creek Group NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.