Witwatersrand Supergroup

E635113
geological formation sedimentary rock sequence supergroup

The Witwatersrand Supergroup is a thick sequence of ancient sedimentary rocks in South Africa renowned for hosting some of the world’s largest gold deposits.

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Observed surface forms (1)

Surface form Occurrences
Witwatersrand Basin 3

Statements (45)

Predicate Object
instanceOf geological formation ⓘ
sedimentary rock sequence ⓘ
supergroup ⓘ
age Mesoarchean ⓘ
Neoarchean ⓘ
contains auriferous conglomerate ⓘ
placer-type gold deposits ⓘ
pyrite ⓘ
uraninite ⓘ
uranium-bearing conglomerate ⓘ
country South Africa ⓘ
depositionalEnvironment deltaic ⓘ
fluvial ⓘ
shallow marine ⓘ
economicImportance major source of gold production ⓘ
major source of uranium production ⓘ
geologicalPeriod Archean ⓘ
hasResearchInterest Archean sedimentology ⓘ
early Earth atmosphere ⓘ
early Earth hydrosphere ⓘ
hostRockFor Witwatersrand goldfields NERFINISHED ⓘ
knownFor large gold deposits ⓘ
uranium deposits ⓘ
lithology banded iron formation ⓘ
conglomerate ⓘ
quartzite ⓘ
sandstone ⓘ
shale ⓘ
locatedIn Kaapvaal Craton NERFINISHED ⓘ
Witwatersrand Basin NERFINISHED ⓘ
maximumAgeInYears 3050000000 ⓘ
minimumAgeInYears 2700000000 ⓘ
namedAfter Witwatersrand NERFINISHED ⓘ
overlies Pongola Supergroup NERFINISHED ⓘ
partOf Kaapvaal Craton NERFINISHED ⓘ
region Free State Province NERFINISHED ⓘ
Gauteng Province NERFINISHED ⓘ
North West Province NERFINISHED ⓘ
stratigraphicUnitOf Witwatersrand Basin NERFINISHED ⓘ
subdivision Central Rand Group NERFINISHED ⓘ
West Rand Group NERFINISHED ⓘ
tectonicSetting stable craton ⓘ
thickness up to 7000 m ⓘ
underlies Transvaal Supergroup NERFINISHED ⓘ
Ventersdorp Supergroup NERFINISHED ⓘ

Referenced by (5)

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

Kaapvaal Craton → overlainBy → Witwatersrand Supergroup ⓘ
East Rand goldfields → geologicalSetting → Witwatersrand Supergroup ⓘ
this entity surface form: Witwatersrand Basin
West Rand goldfields → partOf → Witwatersrand Supergroup ⓘ
this entity surface form: Witwatersrand Basin
West Rand goldfields → geologicalFormation → Witwatersrand Supergroup ⓘ
Central Rand → partOf → Witwatersrand Supergroup ⓘ
this entity surface form: Witwatersrand Basin