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 Belt, Postmasburg Manganese Field, Northern Cape, South Africa


mindat Locality ID: 273151
mindat URL: http://www.mindat.org/loc-273151.html

Tectonic Settings:

Total number of sublocalities beneath "Western Belt, Postmasburg Manganese Field, Northern Cape, South Africa": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Bishop Farm
Glosam Mine
Lohatlha Mine
Paling Farm

Latitude: 28°4'47"S
Longitude: 23°1'29"E
Decimal Degree (lat, lon): -28.079722222222,23.024722222222
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 Ba Ca Cl F Fe H K Li Mg Mn Na O S Si Ti V Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
BaryteBixbyiteBrackebuschiteBrauniteClayCoronaditeCorundumDiasporeKaoliniteMica
NonePyrophylliteQuartzRamsdelliteRutileSerpentineSpinelZircon

23 IMA Minerals at location:
Amesite  (*)Baryte  (*)Birnessite  (*)Bixbyite  (*)Braunite  (*)
Cryptomelane  (*)Diaspore  (*)Ephesite  (*)Gamagarite  (*)Goethite  (*)
Hausmannite  (*)Hematite  (*)Kaolinite  (*)Lithiophorite  (*)Muscovite  (*)
Pyrolusite  (*)Pyrophyllite  (*)Quartz  (*)Ramsdellite  (*)Romanèchite  (*)
Rutile  (*)Zircon  (*)Zunyite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Amesite  (*)Clay SerpentineMg2Al(AlSiO5)(OH)4110722274
Baryte  (*)BaryteBa(SO4)110722411547
Birnessite  (*)None(Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O1107224178
Bixbyite  (*)BixbyiteMn3+2O38107222,107223,107224,107225104
Braunite  (*)BrauniteMn2+Mn3+6O8(SiO4)4107222,107223,107224,107225483
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O161107225599
Diaspore  (*)DiasporeAlO(OH)4107222,107223,107224,107225481
Ephesite  (*)MicaNaLiAl2(Si2Al2)O10(OH)24107222,107223,107224,10722521
Gamagarite  (*)BrackebuschiteBa2Fe3+(VO4)2(OH)110722310
Goethite  (*)DiasporeFeO(OH)11072257437
Hausmannite  (*)SpinelMn2+Mn3+2O41107225350
Hematite  (*)CorundumFe2O33107222,107223,10722514640
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)42107223,1072255591
Lithiophorite  (*)None(Al,Li)(Mn4+,Mn3+)O2(OH)23107222,107223,107224210
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)23107222,107223,10722417380
Pyrolusite  (*)RutileMnO24107222,107223,107224,1072253106
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)21107225771
Quartz  (*)QuartzSiO22107223,10722461156
Ramsdellite  (*)RamsdelliteMnO2110722288
Romanèchite  (*)None(Ba,H2O)2(Mn4+,Mn3+)5O102107222,107223312
Rutile  (*)RutileTiO211072235614
Zircon  (*)ZirconZr(SiO4)11072235251
Zunyite  (*)NoneAl13Si5O20(OH,F)18Cl2107224,10722586


No ages have been assigned to this locality yet.
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