Fortescue Group
E911591
The Fortescue Group is a major Neoarchean volcanic and sedimentary rock sequence in Western Australia’s Pilbara region, notable for its extensive greenstone belts and mineral resources.
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
geologic group
ⓘ
volcanic and sedimentary rock sequence ⓘ |
| ageApproximateMa | 2800–2700 Ma ⓘ |
| chronostratigraphicRank | group ⓘ |
| contains | greenstone belts ⓘ |
| country | Australia ⓘ |
| depositionalEnvironmentIncludes |
fluvial settings
ⓘ
lacustrine settings ⓘ volcanic plateau settings ⓘ |
| economicImportance |
hosts base metal and gold mineralization
ⓘ
hosts significant iron ore deposits in the Pilbara region ⓘ |
| geologicAge | Neoarchean NERFINISHED ⓘ |
| hasSubunits |
Hardey Formation
NERFINISHED
ⓘ
Jeerinah Formation NERFINISHED ⓘ Kylena Formation NERFINISHED ⓘ Mount Roe Basalt NERFINISHED ⓘ Tumbiana Formation NERFINISHED ⓘ |
| lithologyIncludes |
andesite
ⓘ
basalt ⓘ conglomerate ⓘ felsic volcanic rocks ⓘ sandstone ⓘ sedimentary rocks ⓘ shale ⓘ volcanic rocks ⓘ |
| locatedIn |
Australia
ⓘ
Pilbara region NERFINISHED ⓘ Western Australia ⓘ |
| namedAfter | Fortescue River NERFINISHED ⓘ |
| notableFor |
extensive greenstone belts
ⓘ
mineral resources ⓘ |
| overlies | older Archean granite-greenstone terranes of the Pilbara Craton ⓘ |
| partOf | Pilbara Craton NERFINISHED ⓘ |
| partOfSupergroup | Fortescue Basin succession NERFINISHED ⓘ |
| regionType | greenstone belt province ⓘ |
| researchSignificance |
important for understanding Neoarchean tectonics of the Pilbara Craton
ⓘ
preserves early sedimentary environments on Archean continents ⓘ records early continental flood basalt magmatism ⓘ |
| stratigraphicUnitOf | Pilbara Craton greenstone successions NERFINISHED ⓘ |
| tectonicSetting |
continental flood basalt province
ⓘ
intra-cratonic basin ⓘ |
| underlies | Hamersley Group NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.