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:
Goodhouse-Vioolsdrift Area, 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: 295922
mindat URL: http://www.mindat.org/loc-295922.html

Tectonic Settings:

Total number of sublocalities beneath "Goodhouse-Vioolsdrift Area, Orange River, Namakwa District (Namaqualand), Northern Cape, South Africa": 0
Total number of bottom-level sublocalities: 0

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 Na Nb O P S Si Ta Th Ti U W Y 

Elements from minerals reported directly at this locality: Al Be Bi Ca Cl Fe H K Li Mg Mn Na Nb O P S Si Ti U W Y 

Structural Groups for minerals in this locality: 
AmphiboleBerylClayClinozoisiteColumbiteEpidoteFeldsparGarnetMatlockiteMica
NoneNot in a structural groupOlivinePhenakitePrehnitePyroxeneQuartzRutileScheeliteStibnite
Titanite

22 IMA Minerals at location:
Albite  (*)Bertrandite  (*)Beryl  (*)Bismoclite  (*)Bismuthinite  (*)
Chrysoberyl  (*)Epidote  (*)Euxenite-(Y)  (*)Lithiophilite  (*)Muscovite  (*)
Phenakite  (*)Prehnite  (*)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)988977.408803
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)2988977.40606
Beryl  (*)BerylBe3Al2Si6O18988977.404286
Bismoclite  (*)MatlockiteBiOCl988977.4071
Bismuthinite  (*)StibniteBi2S3988977.401935
Chrysoberyl  (*)OlivineBeAl2O4988977.40321
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)988977.408173
Euxenite-(Y)  (*)ColumbiteY(NbTi)O6988977.40414
Lithiophilite  (*)OlivineLiMn2+(PO4)988977.40155
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2988977.4017380
Phenakite  (*)PhenakiteBe2(SiO4)988977.40326
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)2988977.401898
Quartz  (*)QuartzSiO2988977.4061156
Rutile  (*)RutileTiO2988977.405614
Scheelite  (*)ScheeliteCa(WO4)988977.404894
Soddyite  (*)None(UO2)2(SiO4)(H2O)2988977.4044
Spessartine  (*)GarnetMn2+3Al2(SiO4)3988977.401214
Spodumene  (*)PyroxeneLiAlSi2O6988977.40688
Titanite  (*)TitaniteCaTi(SiO4)O988977.404899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2988977.402562
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O988977.40890
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)988977.401025


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 Yes 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 Yes 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 Yes 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

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