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:
Seeis, Windhoek District, Khomas Region, Namibia

Oldest recorded age at locality: 521
Youngest recorded age at locality: 514

mindat Locality ID: 29120
mindat URL: http://www.mindat.org/loc-29120.html

Tectonic Settings:

Total number of sublocalities beneath "Seeis, Windhoek District, Khomas Region, Namibia": 3
Total number of bottom-level sublocalities: 2

Number of Child Localities: 1
Child Localities:
Ogonja (Onganja)

Latitude: 22°5'56"S
Longitude: 17°27'28"E
Decimal Degree (lat, lon): -22.098888888889,17.457777777778

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: Ag Al Au C Ca Cu F Fe H Mo Na O P S Si Ti Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneApatiteBrochantiteCalciteChalcopyriteCopperCorundumDiasporeFeldsparMalachite
MolybdeniteNoneNot in a structural groupPyriteQuartzRutileSpinel

22 IMA Minerals at location:
Albite  (*)Azurite  (*)Brochantite  (*)Calcite  (*)Chalcocite  (*)
Chalcopyrite  (*)Chrysocolla  (*)Copper  (*)Cuprite  (*)Fluorapatite  (*)
Goethite  (*)Gold  (*)Hematite  (*)Magnetite  (*)Malachite  (*)
Molybdenite  (*)Pyrite  (*)Quartz  (*)Rutile  (*)Siderite  (*)
Silver  (*)Smithsonite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)5215141868158803
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)25215141868155509
Brochantite  (*)BrochantiteCu4(SO4)(OH)65215141868151633
Calcite  (*)CalciteCa(CO3)52151418681527770
Chalcocite  (*)NoneCu2S5215141868155707
Chalcopyrite  (*)ChalcopyriteCuFeS252151418681527198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O5215141868153531
Copper  (*)CopperCu5215141868153846
Cuprite  (*)Not in a structural groupCu2O5215141868152970
Fluorapatite  (*)ApatiteCa5(PO4)3F5215141868152740
Goethite  (*)DiasporeFeO(OH)5215141868157437
Gold  (*)CopperAu52151418681530554
Hematite  (*)CorundumFe2O352151418681514640
Magnetite  (*)SpinelFe2+Fe3+2O452151418681514899
Malachite  (*)MalachiteCu2(CO3)(OH)252151418681512537
Molybdenite  (*)MolybdeniteMoS2521514286814,868155800
Pyrite  (*)PyriteFeS252151418681539462
Quartz  (*)QuartzSiO252151418681561156
Rutile  (*)RutileTiO25215141868155614
Siderite  (*)CalciteFe(CO3)5215141868156417
Silver  (*)CopperAg5215141868155186
Smithsonite  (*)CalciteZn(CO3)5215141868152473



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
Mo-00085521515518±3Re-Os molybdeniteTT-615  Molybdenite Mo2423Ogonja Mine (Onganja Mine; Emke Mine; Emka; Otjisongati), Ogonja (Onganja), Seeis, Windhoek District, Khomas Region, NamibiaOnganjaMoore (2010)10.2113/gssajg.113.4.445SAJG113_445 
Mo-00086520514517±3Re-Os molybdeniteTT-623  Molybdenite Mo2423Ogonja Mine (Onganja Mine; Emke Mine; Emka; Otjisongati), Ogonja (Onganja), Seeis, Windhoek District, Khomas Region, NamibiaOnganjaMoore (2010)10.2113/gssajg.113.4.445SAJG113_445 
Mo-00087521515518±3Re-Os molybdeniteTT-624  Molybdenite Mo2423Ogonja Mine (Onganja Mine; Emke Mine; Emka; Otjisongati), Ogonja (Onganja), Seeis, Windhoek District, Khomas Region, NamibiaOnganjaMoore (2010)10.2113/gssajg.113.4.445SAJG113_445 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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