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:
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: 203521
mindat URL: http://www.mindat.org/loc-203521.html

Tectonic Settings: Continental Margin

Total number of sublocalities beneath "Far West Rand (West Wits Line), West Rand District (West Rand), Gauteng, South Africa": 27
Total number of bottom-level sublocalities: 22

Number of Child Localities: 4
Child Localities:
Eastern Sector
Oberholzer
West Wits
Western Sector

Latitude: 26°24'8"S
Longitude: 27°33'52"E
Decimal Degree (lat, lon): -26.402222222222,27.564444444444
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 Co Cr Cu Fe H K Mg N Ni O P Pb Pt S Sb Si Ti U Zn Zr 

Elements from minerals reported directly at this locality: As Co Cr Cu Fe Ni O S Ti U 

Structural Groups for minerals in this locality: 
AluniteAmorphousAragoniteArsenopyriteAuricuprideBaryteBismutiteBranneriteCalcioferriteCalcite
CeriteChalcopyriteClayCobaltiteCopperFluoriteGypsumLeucophosphiteMicaNickeline
NoneNot in a structural groupPerovskitePhosphosideritePyriteQuartzRocksaltRutileSphaleriteSpinel
TaranakiteZirconhauchecornite

40 IMA Minerals at location:
Aragonite  (*)Arsenopyrite  (*)Baryte  (*)Bismutite  (*)Brannerite  (*)
Brushite  (*)Calcite  (*)Chalcopyrite  (*)Chromite  (*)Cobaltite  (*)
Crandallite  (*)Dolomite  (*)Evansite  (*)Galena  (*)Gold  (*)
Gypsum  (*)Huntite  (*)Hydromagnesite  (*)Isoferroplatinum  (*)Leucophosphite  (*)
Mackinawite  (*)Magnesite  (*)Montgomeryite  (*)Muscovite  (*)Nitromagnesite  (*)
Gersdorffite-Pa3  (*)Phosphosiderite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Rutile  (*)Sasaite  (*)Sphalerite  (*)Strengite  (*)Taranakite  (*)
Tučekite  (*)Uraninite  (*)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)297029145106216,106218,106219,106228,1062333250
Arsenopyrite  (*)ArsenopyriteFeAsS2970291409052
Baryte  (*)BaryteBa(SO4)29702914110623211547
Bismutite  (*)BismutiteBi2O2(CO3)297029141106232716
Brannerite  (*)BranneriteUTi2O6297029140248
Brushite  (*)GypsumCa(PO3OH)·2H2O297029142106216,106233104
Calcite  (*)CalciteCa(CO3)297029145106216,106218,106219,106228,10623327770
Chalcopyrite  (*)ChalcopyriteCuFeS229702914027198
Chromite  (*)SpinelFe2+Cr2O42970291403902
Cobaltite  (*)CobaltiteCoAsS297029140966
Crandallite  (*)AluniteCaAl3(PO4)(PO3OH)(OH)6297029141106233310
Dolomite  (*)NoneCaMg(CO3)22970291411062119895
Evansite  (*)AmorphousAl3(PO4)(OH)6·8H2O29702914110623356
Galena  (*)RocksaltPbS297029142106221,10623224243
Gold  (*)CopperAu2970291411106211,106213,106214,106221,106223,106226,106229,106230,106232,106234,10623530554
Gypsum  (*)GypsumCa(SO4)·2H2O2970291411062336890
Huntite  (*)Not in a structural groupCaMg3(CO3)429702914110621669
Hydromagnesite  (*)NoneMg5(CO3)4(OH)2·4H2O297029143106218,106219,106233341
Isoferroplatinum  (*)Auricupride PerovskitePt3Fe297029142106234,106235128
Leucophosphite  (*)LeucophosphiteKFe3+2(PO4)2(OH)·2H2O297029143106216,106218,106233110
Mackinawite  (*)None(Fe,Ni)1+xS (x = 0-0.07)297029140451
Magnesite  (*)CalciteMg(CO3)2970291411062161487
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  (*)PyriteFeS2297029142106211,10623439462
Pyrrhotite  (*)NickelineFe7S82970291409056
Quartz  (*)QuartzSiO2297029144106211,106214,106221,10623261156
Rutile  (*)RutileTiO22970291405614
Sasaite  (*)NoneAl6(PO4)5(OH)3·36H2O297029143106216,106217,10623311
Sphalerite  (*)SphaleriteZnS297029142106221,10623221482
Strengite  (*)NoneFe3+(PO4)·2H2O297029143106216,106218,106233263
Taranakite  (*)TaranakiteK3Al5(PO3OH)6(PO4)2·18H2O29702914110621657
Tučekite  (*)hauchecorniteNi9Sb2S829702914110623417
Uraninite  (*)FluoriteUO22970291402718
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

All locality data graciously provided by mindat.org

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