Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Western Sector, Far West Rand (West Wits Line), West Rand District (West Rand), Gauteng, South Africa

Oldest recorded age at locality: 2970
Youngest recorded age at locality: 2914

mindat Locality ID: 208620
mindat URL: http://www.mindat.org/loc-208620.html

Tectonic Settings:

Total number of sublocalities beneath "Western Sector, Far West Rand (West Wits Line), West Rand District (West Rand), Gauteng, South Africa": 11
Total number of bottom-level sublocalities: 10

Number of Child Localities: 5
Child Localities:
Blyvooruitzicht Mine (Blyvooruitzig Mine)
Carletonville
Western Deep Levels 1 Mine
Western Deep Levels 2 Mine
Western Ultra Deep Levels Mine

Latitude: 26°24'32"S
Longitude: 27°23'52"E
Decimal Degree (lat, lon): -26.408888888889,27.397777777778
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al As Au Ba Bi C Ca Fe H K Mg N Ni O P Pb Pt S Sb Si Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteAmorphousAragoniteAuricuprideBaryteBismutiteCalcioferriteCalciteCeriteClay
CopperGypsumLeucophosphiteMicaNonePerovskitePhosphosideritePyriteQuartzRocksalt
SphaleriteZirconhauchecornite

27 IMA Minerals at location:
Aragonite  (*)Baryte  (*)Bismutite  (*)Brushite  (*)Calcite  (*)
Crandallite  (*)Evansite  (*)Galena  (*)Gold  (*)Gypsum  (*)
Hydromagnesite  (*)Isoferroplatinum  (*)Leucophosphite  (*)Montgomeryite  (*)Muscovite  (*)
Nitromagnesite  (*)Gersdorffite-Pa3  (*)Phosphosiderite  (*)Pyrite  (*)Quartz  (*)
Sasaite  (*)Sphalerite  (*)Strengite  (*)Tučekite  (*)Variscite  (*)
Whitlockite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aragonite  (*)AragoniteCa(CO3)297029142106228,1062333250
Baryte  (*)BaryteBa(SO4)29702914110623211547
Bismutite  (*)BismutiteBi2O2(CO3)297029141106232716
Brushite  (*)GypsumCa(PO3OH)·2H2O297029141106233104
Calcite  (*)CalciteCa(CO3)297029142106228,10623327770
Crandallite  (*)AluniteCaAl3(PO4)(PO3OH)(OH)6297029141106233310
Evansite  (*)AmorphousAl3(PO4)(OH)6·8H2O29702914110623356
Galena  (*)RocksaltPbS29702914110623224243
Gold  (*)CopperAu297029146106226,106229,106230,106232,106234,10623530554
Gypsum  (*)GypsumCa(SO4)·2H2O2970291411062336890
Hydromagnesite  (*)NoneMg5(CO3)4(OH)2·4H2O297029141106233341
Isoferroplatinum  (*)Auricupride PerovskitePt3Fe297029142106234,106235128
Leucophosphite  (*)LeucophosphiteKFe3+2(PO4)2(OH)·2H2O297029141106233110
Montgomeryite  (*)CalcioferriteCa4MgAl4(PO4)6(OH)4·12H2O29702914110623344
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)229702914110623417380
Nitromagnesite  (*)NoneMg(NO3)2·6H2O29702914110623312
Gersdorffite-Pa3  (*)PyriteNiAsS297029141106234767
Phosphosiderite  (*)PhosphosideriteFe3+(PO4)·2H2O297029141106233182
Pyrite  (*)PyriteFeS229702914110623439462
Quartz  (*)QuartzSiO229702914110623261156
Sasaite  (*)NoneAl6(PO4)5(OH)3·36H2O29702914110623311
Sphalerite  (*)SphaleriteZnS29702914110623221482
Strengite  (*)NoneFe3+(PO4)·2H2O297029141106233263
Tučekite  (*)hauchecorniteNi9Sb2S829702914110623417
Variscite  (*)NoneAl(PO4)·2H2O297029141106233301
Whitlockite  (*)CeriteCa9Mg(PO3OH)(PO4)6297029141106233104
Zircon  (*)ZirconZr(SiO4)2970291411062345251


1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Kristen002293297029142970-2914 sedimentation   Yes Co, Au, Ni29065West Rand District (West Rand), Gauteng, South AfricaWest RandRobb and Meyer (1995)10.1016/0169-1368(95)00011-9OGR10_67association with Co, Au, and Ni from SAJG93_70

SampleSource LocalityReference URL

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