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:
Orange River, Namakwa District (Namaqualand), Northern Cape, South Africa

Oldest recorded age at locality: 988
Youngest recorded age at locality: 977.4

mindat Locality ID: 56220
mindat URL: http://www.mindat.org/loc-56220.html

Tectonic Settings:

Total number of sublocalities beneath "Orange River, Namakwa District (Namaqualand), Northern Cape, South Africa": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Goodhouse-Vioolsdrift Area
Goodhouse-Wolftoon Area
Van Rooi's Vley

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0
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 Be Bi Ca Ce Cl Fe H K Li Mg Mn Mo Na Nb O P S Si Sn Ta Th Ti U W Y 

Elements from minerals reported directly at this locality: Al Fe Mg Mo O S Si 

Structural Groups for minerals in this locality: 
AmphiboleBerylClayClinozoisiteColumbiteCorundumEpidoteFeldsparGarnetMatlockite
MicaMolybdeniteNoneNot in a structural groupOlivinePhenakitePrehnitePyroxeneQuartzRutile
ScheeliteStibniteTitanite

26 IMA Minerals at location:
Albite  (*)Bertrandite  (*)Beryl  (*)Bismoclite  (*)Bismuthinite  (*)
Cassiterite  (*)Chrysoberyl  (*)Epidote  (*)Euxenite-(Y)  (*)Hematite  (*)
Lithiophilite  (*)Molybdenite  (*)Muscovite  (*)Phenakite  (*)Prehnite  (*)
Pyrope  (*)Quartz  (*)Rutile  (*)Scheelite  (*)Soddyite  (*)
Spessartine  (*)Spodumene  (*)Titanite  (*)Tremolite  (*)Uranophane-α  (*)
Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)988977.411071368803
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)2988977.41107136606
Beryl  (*)BerylBe3Al2Si6O18988977.411071364286
Bismoclite  (*)MatlockiteBiOCl988977.4110713671
Bismuthinite  (*)StibniteBi2S3988977.411071361935
Cassiterite  (*)RutileSnO2988977.411071385171
Chrysoberyl  (*)OlivineBeAl2O4988977.41107136321
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)988977.411071368173
Euxenite-(Y)  (*)ColumbiteY(NbTi)O6988977.41107136414
Hematite  (*)CorundumFe2O3988977.4014640
Lithiophilite  (*)OlivineLiMn2+(PO4)988977.41107136155
Molybdenite  (*)MolybdeniteMoS2988977.405800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2988977.4110713617380
Phenakite  (*)PhenakiteBe2(SiO4)988977.41107136326
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)2988977.411071361898
Pyrope  (*)GarnetMg3Al2(SiO4)3988977.40341
Quartz  (*)QuartzSiO2988977.43107136,107137,10713861156
Rutile  (*)RutileTiO2988977.411071365614
Scheelite  (*)ScheeliteCa(WO4)988977.411071364894
Soddyite  (*)None(UO2)2(SiO4)(H2O)2988977.4110713644
Spessartine  (*)GarnetMn2+3Al2(SiO4)3988977.411071361214
Spodumene  (*)PyroxeneLiAlSi2O6988977.41107136688
Titanite  (*)TitaniteCaTi(SiO4)O988977.411071364899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2988977.411071362562
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O988977.41107136890
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)988977.411071361025


3 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
Alexandra-0249988977.4982.7±5.3U-PbAge of Nb-Ta mineralizationtantalite-(mn), columbite-(mn)272   Ta, Nb56220Orange River, Namakwa District (Namaqualand), Northern Cape, South AfricaHomesteadMelcher et al. (2015)10.1016/j.oregeorev.2013.09.003OGR64_667 
Alexandra-0250984.7978.1981.4±3.3U-PbAge of Nb-Ta mineralizationtantalite-(mn), columbite-(mn)274   Ta, Nb56220Orange River, Namakwa District (Namaqualand), Northern Cape, South AfricaHomesteadMelcher et al. (2015)10.1016/j.oregeorev.2013.09.003OGR64_667 
Alexandra-0251987.7982.1984.9±2.8U-PbAge of Nb-Ta mineralizationtantalite-(mn), columbite-(mn)275   Ta, Nb56220Orange River, Namakwa District (Namaqualand), Northern Cape, South AfricaHomesteadMelcher et al. (2015)10.1016/j.oregeorev.2013.09.003OGR64_667 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

All age data...

Other copyright data...