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.

All labels observed (1)

Label Occurrences
Fortescue Group canonical 2

How this entity was disambiguated

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
linked to: Neoarchean Era
hasSubunits Hardey Formation
Jeerinah Formation
Kylena Formation
Mount Roe Basalt
Tumbiana Formation
lithologyIncludes andesite
basalt
conglomerate
felsic volcanic rocks
sandstone
sedimentary rocks
shale
volcanic rocks
locatedIn Australia
Pilbara region
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
partOfSupergroup Fortescue Basin succession
linked to: Fortescue Basin
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
tectonicSetting continental flood basalt province
intra-cratonic basin
underlies Hamersley Group

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Pilbara Craton contains Fortescue Group
Hamersley Group overlies Fortescue Group