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:
Otjozondjupa Region, Namibia

Oldest recorded age at locality: 750
Youngest recorded age at locality: 119.3

mindat Locality ID: 44127
mindat URL: http://www.mindat.org/loc-44127.html

Tectonic Settings:

Total number of sublocalities beneath "Otjozondjupa Region, Namibia": 80
Total number of bottom-level sublocalities: 60

Number of Child Localities: 6
Child Localities:
Grootfontein
Okahandja
Okakarara
Omatako
Otavi
Otjiwarongo

Latitude: 20°23'27"S
Longitude: 17°16'21"E
Decimal Degree (lat, lon): -20.390833333333,17.2725
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 As Au B Ba Be C Ca Cd Ce Cl Cr Cu F Fe Ge H K La Li Mg Mn Mo Na Ni O P Pb REE S Sb Si Sn Sr Th Ti V W Y Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AdeliteAllophaneAluniteAmphiboleAndalusiteApatiteAragoniteArcaniteArsenopyriteAsisite
BaryteBastnäsiteBixbyiteBournoniteBrackebuschiteBrauniteBrochantiteBruciteBurbankiteCalcite
CancriniteCancrinite-sodaliteCarbocernaiteChalcopyriteClayClinozoisiteCopperCoronaditeCorundumCovellite
DescloiziteDiasporeDigeniteEnargiteEpidoteEudialyteFeldsparFluoriteGarnetGeocronite
GermaniteGypsumHarkeriteHematoliteHereroiteHumiteIronKaoliniteLinariteMalachite
MicaMiniumMolybdeniteMolybdophylliteMonaziteNickelineNoneNot in a structural groupOlivinePectolite
PerovskitePhenakitePlancheitePolybasitePyritePyrophyllitePyroxeneQuartzRhodoniteRocksalt
RutileScapoliteScheeliteSmectite-vermiculiteSodaliteSphaleriteSpinelStannoiditeTalcTetrahedrite
TitaniteTourmalineTridymiteVesuvianiteWollastoniteWurtziteWöhleriteZircon

214 IMA Minerals at location:
Actinolite  (*)Aegirine  (*)Aegirine-augite  (*)Albite  (*)Alleghanyite  (*)
Anatase  (*)Andalusite  (*)Andradite  (*)Anglesite  (*)Anhydrite  (*)
Ankerite  (*)Aragonite  (*)Arcanite  (*)Ardealite  (*)Arsenopyrite  (*)
Asisite  (*)Augite  (*)Austinite  (*)Azurite  (*)Barysilite  (*)
Baryte  (*)Bastnäsite-(Ce)  (*)Bayldonite  (*)Betekhtinite  (*)Beudantite  (*)
Bixbyite  (*)Bornite  (*)Boulangerite  (*)Bournonite  (*)Braunite  (*)
Britvinite  (*)Brochantite  (*)Brucite  (*)Brushite  (*)Burbankite  (*)
Bustamite  (*)Cahnite  (*)Calcite  (*)Calderite  (*)Cancrinite  (*)
Carbocernaite  (*)Carlfrancisite  (*)Cassiterite  (*)Celestine  (*)Celsian  (*)
Cerianite-(Ce)  (*)Cerussite  (*)Chalcocite  (*)Chalcophanite  (*)Chalcopyrite  (*)
Chrysocolla  (*)Clino-suenoite  (*)Clinohumite  (*)Clinozoisite  (*)Colusite  (*)
Conichalcite  (*)Copper  (*)Corkite  (*)Coronadite  (*)Covellite  (*)
Crednerite  (*)Crocoite  (*)Cryolite  (*)Cuprite  (*)Cuspidine  (*)
Damaraite  (*)Daubréelite  (*)Defernite  (*)Descloizite  (*)Digenite  (*)
Diopside  (*)Dioptase  (*)Dolomite  (*)Duftite  (*)Elbaite  (*)
Enargite  (*)Epidote  (*)Erikjonssonite  (*)Eudialyte  (*)Ferri-ghoseite  (*)
Fluorapatite  (*)Fluorite  (*)Forsterite  (*)Galaxite  (*)Galena  (*)
Ganophyllite  (*)Germanite  (*)Glaucochroite  (*)Goethite  (*)Gold  (*)
Graphite  (*)Greenockite  (*)Grootfonteinite  (*)Gypsum  (*)Halite  (*)
Harkerite  (*)Hausmannite  (*)Hedyphane  (*)Helvine  (*)Hematite  (*)
Hematophanite  (*)Hemimorphite  (*)Hereroite  (*)Hillebrandite  (*)Holdawayite  (*)
Hollandite  (*)Hydroxylapatite  (*)Iron  (*)Jacobsite  (*)Jaffeite  (*)
Janchevite  (*)Jerrygibbsite  (*)Johninnesite  (*)Jordanite  (*)Kaolinite  (*)
Kentrolite  (*)Kinoshitalite  (*)Kombatite  (*)Kutnohorite  (*)Kyanite  (*)
Lautite  (*)Lead  (*)Leadhillite  (*)Leucophoenicite  (*)Linarite  (*)
Magnesio-riebeckite  (*)Magnetite  (*)Malachite  (*)Manganberzeliite  (*)Manganite  (*)
Manganosite  (*)Meionite  (*)Melanotekite  (*)Microcline  (*)Milanriederite  (*)
Mimetite  (*)Minium  (*)Molybdenite  (*)Molybdophyllite  (*)Monazite-(Ce)  (*)
Montmorillonite  (*)Mottramite  (*)Muscovite  (*)Nahcolite  (*)Nambulite  (*)
Natrojarosite  (*)Natronambulite  (*)Nepheline  (*)Orthoclase  (*)Pearceite  (*)
Phlogopite  (*)Plancheite  (*)Polybasite  (*)Pyrite  (*)Pyrobelonite  (*)
Pyrochroite  (*)Pyrolusite  (*)Pyromorphite  (*)Pyrophanite  (*)Pyrophyllite  (*)
Pyrrhotite  (*)Quartz  (*)Renierite  (*)Rhodochrosite  (*)Rhodonite  (*)
Ribbeite  (*)Richterite  (*)Rosasite  (*)Rouvilleite  (*)Roymillerite  (*)
Rutile  (*)Sahlinite  (*)Sakhaite  (*)Schorl  (*)Schreibersite  (*)
Serandite  (*)Siderite  (*)Silver  (*)Smithsonite  (*)Spessartine  (*)
Sphalerite  (*)Spinel  (*)Stannoidite  (*)Stromeyerite  (*)Strontianite  (*)
Sussexite  (*)Sylvite  (*)Taenite  (*)Talc  (*)Tangeite  (*)
Tennantite-(Fe)  (*)Tephroite  (*)Tetrahedrite-(Zn)  (*)Thorite  (*)Titanite  (*)
Troilite  (*)Tsumebite  (*)Tungstenite  (*)Vanadinite  (*)Vaterite  (*)
Vauquelinite  (*)Vermiculite  (*)Vésigniéite  (*)Vesuvianite  (*)Vladkrivovichevite  (*)
Willemite  (*)Winchite  (*)Wiserite  (*)Witherite  (*)Wollastonite  (*)
Wulfenite  (*)Xenotime-(Y)  (*)Yangite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2601537286937,869653419
Aegirine  (*)PyroxeneNaFe3+Si2O6601119.3486937,86952,86961,870021022
Aegirine-augite  (*)Pyroxene(Ca,Na)(Fe3+,Mg,Fe2+)Si2O6133.9119.3286966,87002286
Albite  (*)FeldsparNa(AlSi3O8)601153.6486937,86960,86965,869668803
Alleghanyite  (*)HumiteMn2+5(SiO4)2(OH)260153718693777
Anatase  (*)Not in a structural groupTiO2286924,869252162
Andalusite  (*)AndalusiteAl2SiO5286950,869511310
Andradite  (*)GarnetCa3Fe3+2(SiO4)3133.9119.3286966,870021534
Anglesite  (*)BarytePb(SO4)750537486924,86925,86927,869372734
Anhydrite  (*)Not in a structural groupCa(SO4)6015371869371588
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)2172.8153.6386960,86961,869783092
Aragonite  (*)AragoniteCa(CO3)750537386927,86937,869713250
Arcanite  (*)ArcaniteK2(SO4)286926,8699430
Ardealite  (*)GypsumCa2(PO3OH)(SO4)·4H2O286926,8699430
Arsenopyrite  (*)ArsenopyriteFeAsS6015371869379052
Asisite  (*)AsisitePb7SiO8Cl26015371869371
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O61869522060
Austinite  (*)AdeliteCaZn(AsO4)(OH)286928,8692971
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2601537486928,86937,86976,869785509
Barysilite  (*)NonePb8Mn(Si2O7)36015371869379
Baryte  (*)BaryteBa(SO4)601119.3786937,86938,86959,86960,86961,86966,8700211547
Bastnäsite-(Ce)  (*)BastnäsiteCe(CO3)F601537186937304
Bayldonite  (*)NoneCu3PbO(AsO3OH)2(OH)2601537186937172
Betekhtinite  (*)None(Cu,Fe)21Pb2S1560153718693745
Beudantite  (*)AlunitePbFe3+3(AsO4)(SO4)(OH)6750750186927413
Bixbyite  (*)BixbyiteMn3+2O3133.9119.3286966,87001104
Bornite  (*)NoneCu5FeS4601537586937,86941,86969,86976,869785516
Boulangerite  (*)NonePb5Sb4S11750750186927843
Bournonite  (*)BournoniteCuPbSbS3286924,869251089
Braunite  (*)BrauniteMn2+Mn3+6O8(SiO4)186966483
Britvinite  (*)MolybdophyllitePb14Mg9(Si10O28)(BO3)4(CO3)2(OH)12F26015371869372
Brochantite  (*)BrochantiteCu4(SO4)(OH)6601537286928,869371633
Brucite  (*)BruciteMg(OH)2601537186937462
Brushite  (*)GypsumCa(PO3OH)·2H2O601537186937104
Burbankite  (*)Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5172.8153.618696052
Bustamite  (*)WollastoniteMn2Ca2MnCa(Si3O9)2186966101
Cahnite  (*)ZirconCa2B(AsO4)(OH)460153718693713
Calcite  (*)CalciteCa(CO3)750119.31786924,86925,86927,86928,86930,86937,86938,86941,86960,86961,86963,86965,86966,86971,86976,86978,8700227770
Calderite  (*)GarnetMn2+3Fe3+2(SiO4)318696617
Cancrinite  (*)Cancrinite(Na,Ca,   )8(Al6Si6)O24(CO3,SO4)2·2H2O133.9119.3187002232
Carbocernaite  (*)Carbocernaite(Sr,Ce,La)(Ca,Na)(CO3)2172.8153.6286960,8696124
Carlfrancisite  (*)HematoliteMn2+3(Mn2+,Mg,Fe3+,Al)42(As3+O3)2(As5+O4)4[(Si,As5+)O4]6[(As5+,Si)O4]2(OH)426015371869401
Cassiterite  (*)RutileSnO2601537286937,869655171
Celestine  (*)BaryteSr(SO4)133.9119.31870021252
Celsian  (*)FeldsparBa(Al2Si2O8)186966100
Cerianite-(Ce)  (*)FluoriteCeO218696194
Cerussite  (*)AragonitePb(CO3)750537986924,86925,86927,86937,86941,86965,86969,86976,869984979
Chalcocite  (*)NoneCu2S750145986924,86927,86928,86937,86941,86959,86960,86976,869785707
Chalcophanite  (*)NoneZnMn4+3O7·3H2O186966197
Chalcopyrite  (*)ChalcopyriteCuFeS2750119.3886924,86927,86928,86937,86941,86976,86978,8700227198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O750537486927,86937,86973,869893531
Clino-suenoite  (*)Amphibole   Mn2+2Mg5Si8O22(OH)228696657
Clinohumite  (*)HumiteMg9(SiO4)4F2186963236
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)601537286937,869571025
Colusite  (*)Sphalerite GermaniteCu13VAs3S16601537286937,86978110
Conichalcite  (*)AdeliteCaCu(AsO4)(OH)386928,86930,86941363
Copper  (*)CopperCu601537286937,869383846
Corkite  (*)AlunitePbFe3+3(SO4)(PO4)(OH)6186976151
Coronadite  (*)CoronaditePb(Mn4+6Mn3+2)O16601537186937227
Covellite  (*)CovelliteCuS750537886924,86925,86927,86928,86937,86941,86978,869894165
Crednerite  (*)NoneCuMnO260153718693735
Crocoite  (*)Monazite BarytePb(CrO4)60153718693781
Cryolite  (*)PerovskiteNa2NaAlF6172.8153.618696050
Cuprite  (*)Not in a structural groupCu2O601537586928,86937,86973,86976,869892970
Cuspidine  (*)WöhleriteCa8(Si2O7)2F460153718693767
Damaraite  (*)NonePb3O2(OH)Cl6015371869382
Daubréelite  (*)SpinelFeCr2S4186931157
Defernite  (*)NoneCa6(CO3)1.58(Si2O7)0.21(OH)7[Cl0.50(OH)0.08(H2O)0.42]6015371869372
Descloizite  (*)DescloizitePbZn(VO4)(OH)7507502486923,86924,86925,86927,86928,86941,86942,86945,86946,86947,86965,86968,86969,86971,86975,86976,86977,86979,86980,86992,86993,86998,86999,87000378
Digenite  (*)DigeniteCu1.8S601537286937,869411027
Diopside  (*)PyroxeneCaMgSi2O6133.9119.3386963,86966,870024135
Dioptase  (*)NoneCuSiO3·H2O601537686928,86930,86937,86941,86968,86976164
Dolomite  (*)NoneCaMg(CO3)2750537986924,86925,86927,86937,86961,86963,86978,86993,870009895
Duftite  (*)AdelitePbCu(AsO4)(OH)601537286937,86941220
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)186965520
Enargite  (*)Enargite WurtziteCu3AsS4750537686924,86925,86927,86937,86941,86978910
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)601537486924,86925,86937,869638173
Erikjonssonite  (*)Hereroite(Pb32O21)[(V,Si,Mo,As)O4]4Cl96015371869371
Eudialyte  (*)EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2201145286959,86960182
Ferri-ghoseite  (*)Amphibole   (NaMn2+)(Mg4Fe3+)Si8O22(OH)218696614
Fluorapatite  (*)ApatiteCa5(PO4)3F133.9119.3386952,86962,870022740
Fluorite  (*)FluoriteCaF2601119.3386937,86960,870029617
Forsterite  (*)OlivineMg2(SiO4)1869631188
Galaxite  (*)SpinelMn2+Al2O460153718693743
Galena  (*)RocksaltPbS750119.31486924,86925,86927,86937,86941,86961,86969,86971,86975,86976,86977,86978,86998,8700224243
Ganophyllite  (*)Clay(K,Na)xMn2+6(Si,Al)10O24(OH)4·nH2O (x = 1-2; n = 7-11)60153718693745
Germanite  (*)Germanite SphaleriteCu13Fe2Ge2S1618697833
Glaucochroite  (*)OlivineCaMn2+(SiO4)6015371869377
Goethite  (*)DiasporeFeO(OH)750119.3686924,86925,86927,86961,86976,870027437
Gold  (*)CopperAu18698930554
Graphite  (*)NoneC386955,86956,869642812
Greenockite  (*)WurtziteCdS750750386924,86925,86927717
Grootfonteinite  (*)NonePb3O(CO3)26015371869371
Gypsum  (*)GypsumCa(SO4)·2H2O6015371869376890
Halite  (*)RocksaltNaCl172.8153.61869601398
Harkerite  (*)HarkeriteCa48Mg16[AlSi4O15(OH)]4(BO3)16(CO3)16·2(H2O,HCl)60153718693711
Hausmannite  (*)SpinelMn2+Mn3+2O4601537386937,86938,86966350
Hedyphane  (*)ApatiteCa2Pb3(AsO4)3Cl60153718693748
Helvine  (*)Sodalite Cancrinite-sodaliteBe3Mn2+4(SiO4)3S601537186937237
Hematite  (*)CorundumFe2O3750119.3986924,86925,86927,86937,86960,86961,86966,86973,8700214640
Hematophanite  (*)PerovskitePb4Fe3+3O8(Cl,OH)601537286937,869383
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O1869251689
Hereroite  (*)Hereroite[Pb32(O,   )21](AsO4)2[(Si,As,V,Mo)O4]2Cl106015371869371
Hillebrandite  (*)NoneCa2SiO3(OH)260153718693717
Holdawayite  (*)NoneMn2+6(CO3)2(OH)7(Cl,OH)6015371869373
Hollandite  (*)CoronaditeBa(Mn4+6Mn3+2)O16601537286937,86966243
Hydroxylapatite  (*)ApatiteCa5(PO4)3OH601537186937367
Iron  (*)IronFe1869311089
Jacobsite  (*)SpinelMn2+Fe3+2O4601537386937,86938,86966172
Jaffeite  (*)NoneCa6Si2O7(OH)66015371869372
Janchevite  (*)AsisitePb7V5+(O8.5   0.5)Cl26015371869371
Jerrygibbsite  (*)HumiteMn2+9(SiO4)4(OH)26015371869373
Johninnesite  (*)NoneNa2Mn2+9Mg7(AsO4)2(Si6O17)2(OH)86015371869372
Jordanite  (*)GeocronitePb14As6S23750750486924,86925,86927,86941105
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4601537386924,86925,869375591
Kentrolite  (*)NonePb2Mn3+2O2(Si2O7)60153718693722
Kinoshitalite  (*)Mica ClayBaMg3(Si2Al2O10)(OH)218696620
Kombatite  (*)NonePb14O9(VO4)2Cl46015371869372
Kutnohorite  (*)NoneCaMn2+(CO3)2601537186937234
Kyanite  (*)Not in a structural groupAl2OSiO4286924,869251507
Lautite  (*)NoneCuAsS60153718693732
Lead  (*)CopperPb601537186937192
Leadhillite  (*)NonePb4(SO4)(CO3)2(OH)2750537286927,86937265
Leucophoenicite  (*)HumiteMn2+7(SiO4)3(OH)260153718693710
Linarite  (*)LinariteCuPb(SO4)(OH)2186924987
Magnesio-riebeckite  (*)Amphibole   Na2(Mg3Fe3+2)Si8O22(OH)218696693
Magnetite  (*)SpinelFe2+Fe3+2O4601119.3886924,86925,86937,86959,86960,86961,86966,8700214899
Malachite  (*)MalachiteCu2(CO3)(OH)2750537986924,86925,86927,86928,86937,86941,86973,86976,8697812537
Manganberzeliite  (*)Garnet(NaCa2)Mn2+2(AsO4)360153718693724
Manganite  (*)RutileMn3+O(OH)601537186937770
Manganosite  (*)RocksaltMnO60153718693773
Meionite  (*)ScapoliteCa4Al6Si6O24(CO3)186963176
Melanotekite  (*)NonePb2Fe3+2O2(Si2O7)60153718693722
Microcline  (*)FeldsparK(AlSi3O8)601537386924,86925,869374924
Milanriederite  (*)Vesuvianite(Ca,REE)19Fe3+Al4(Mg,Al,Fe3+)8Si18O68(OH,O)106015371869371
Mimetite  (*)ApatitePb5(AsO4)3Cl750537686924,86925,86927,86928,86937,869651107
Minium  (*)MiniumPb2+2Pb4+O4750750286925,86927247
Molybdenite  (*)MolybdeniteMoS2601537286937,869785800
Molybdophyllite  (*)MolybdophyllitePb8Mg9[Si10O28(OH)8O2(CO3)3]·H2O6015371869373
Monazite-(Ce)  (*)MonaziteCe(PO4)601537186937945
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O286924,869251508
Mottramite  (*)DescloizitePbCu(VO4)(OH)750537886927,86937,86941,86944,86945,86968,86976,86992362
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2601537686924,86925,86937,86965,86966,8697817380
Nahcolite  (*)NoneNaH(CO3)172.8153.618696078
Nambulite  (*)RhodoniteLiMn2+4Si5O14(OH)60153718693712
Natrojarosite  (*)AluniteNaFe3+3(SO4)2(OH)6750750186927254
Natronambulite  (*)RhodoniteNaMn2+4Si5O14(OH)6015371869377
Nepheline  (*)TridymiteNa3K(Al4Si4O16)172.8119.3286960,87002884
Orthoclase  (*)FeldsparK(AlSi3O8)601537286937,869652349
Pearceite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]186978249
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2601119.3486937,86960,86963,870022273
Plancheite  (*)PlancheiteCu8(Si4O11)2(OH)4·H2O486928,86941,86973,8697674
Polybasite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(Sb,As)2S7]186978716
Pyrite  (*)PyriteFeS2750119.31086924,86927,86937,86941,86959,86960,86961,86969,86978,8700239462
Pyrobelonite  (*)DescloizitePbMn2+VO4(OH)60153718693721
Pyrochroite  (*)BruciteMn2+(OH)260153718693756
Pyrolusite  (*)RutileMnO2601537286937,869663106
Pyromorphite  (*)ApatitePb5(PO4)3Cl750537686927,86937,86965,86976,86977,869981725
Pyrophanite  (*)CorundumMn2+TiO3186966244
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)2601537186937771
Pyrrhotite  (*)NickelineFe7S8133.9119.31870029056
Quartz  (*)QuartzSiO2750119.32286924,86925,86927,86928,86930,86937,86959,86960,86961,86965,86966,86967,86978,86984,86985,86986,86987,86988,86989,86990,86991,8700261156
Renierite  (*)Sphalerite Germanite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16750537286927,8693737
Rhodochrosite  (*)CalciteMn(CO3)750537286927,869371711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)601537286937,86966969
Ribbeite  (*)HumiteMn2+5(SiO4)2(OH)260153718693713
Richterite  (*)AmphiboleNa(NaCa)Mg5Si8O22(OH)2601537186937148
Rosasite  (*)MalachiteCuZn(CO3)(OH)2750750186927454
Rouvilleite  (*)NoneNa3Ca2(CO3)3F172.8153.61869603
Roymillerite  (*)MolybdophyllitePb24Mg9(Si10O28)(CO3)10(BO3)(SiO4)(OH)13O56015371869371
Rutile  (*)RutileTiO2486924,86925,86964,869785614
Sahlinite  (*)NonePb14O9(AsO4)2Cl46015371869374
Sakhaite  (*)HarkeriteCa48Mg16(BO3)32(CO3)16·2(H2O,HCl)6015371869377
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)1869252705
Schreibersite  (*)None(Fe,Ni)3P186931374
Serandite  (*)PectoliteNaMn2+2Si3O8(OH)60153718693738
Siderite  (*)CalciteFe(CO3)6015371869376417
Silver  (*)CopperAg601537286937,869785186
Smithsonite  (*)CalciteZn(CO3)7505371086924,86925,86927,86937,86941,86945,86947,86969,86971,869732473
Spessartine  (*)GarnetMn2+3Al2(SiO4)3601537286937,869661214
Sphalerite  (*)SphaleriteZnS750119.31286924,86925,86927,86937,86941,86960,86969,86971,86975,86977,86978,8700221482
Spinel  (*)SpinelMgAl2O41869631934
Stannoidite  (*)StannoiditeCu8(Fe,Zn)3Sn2S1218697880
Stromeyerite  (*)NoneCuAgS186978332
Strontianite  (*)AragoniteSr(CO3)172.8119.3386960,86961,87002589
Sussexite  (*)NoneMn2+BO2(OH)60153718693725
Sylvite  (*)RocksaltKCl172.8153.6186960275
Taenite  (*)None(Ni,Fe)186931703
Talc  (*)Clay TalcMg3Si4O10(OH)26015371869373337
Tangeite  (*)AdeliteCaCu(VO4)(OH)75075018692760
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S13750537986924,86925,86927,86937,86941,86969,86975,86978,869981803
Tephroite  (*)OlivineMn2+2(SiO4)601537186937240
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S13750750586924,86925,86927,86969,869785317
Thorite  (*)ZirconTh(SiO4)133.9119.31870021006
Titanite  (*)TitaniteCaTi(SiO4)O201119.3586952,86959,86960,86963,870024899
Troilite  (*)NoneFeS1869311044
Tsumebite  (*)BrackebuschitePb2Cu(PO4)(SO4)(OH)18697632
Tungstenite  (*)MolybdeniteWS218697828
Vanadinite  (*)ApatitePb5(VO4)3Cl750750886924,86925,86927,86942,86965,86973,86977,86998605
Vaterite  (*)NoneCa(CO3)60153718693737
Vauquelinite  (*)NoneCuPb2(CrO4)(PO4)(OH)18696563
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O186961652
Vésigniéite  (*)NoneCu3Ba(VO4)2(OH)275075018692746
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)106015371869371395
Vladkrivovichevite  (*)Not in a structural group[Pb32O18][Pb4Mn2O]Cl14(BO3)8·2H2O6015371869371
Willemite  (*)PhenakiteZn2SiO4750750486924,86925,86927,86928303
Winchite  (*)Amphibole   (NaCa)(Mg4Al)Si8O22(OH)218696651
Wiserite  (*)NoneMn2+14(B2O5)4(OH)8·(Si,Mg)(O,OH)4Cl60153718693715
Witherite  (*)AragoniteBa(CO3)601537186937251
Wollastonite  (*)WollastoniteCaSiO31869631247
Wulfenite  (*)ScheelitePbMoO4601537686924,86925,86928,86937,86965,869781655
Xenotime-(Y)  (*)ZirconY(PO4)133.9119.3187002939
Yangite  (*)Not in a structural groupPbMnSi3O8·H2O6015371869371
Zircon  (*)ZirconZr(SiO4)601537386924,86937,869615251


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000462Africa carbonatite complex
Jen_0000739MAGMATIC STYLE: Small plugs ASSOCIATED SILICATE ROCKS: Monzonite, syenite, nepheline syenite, nephelinite, pyroxenite, iron deposits and fenite.
Jen_0000780MAGMATIC STYLE: Central 2.6 km2 plug ASSOCIATED SILICATE ROCKS: Foyaite, syenite, fenite and dykes of tinguaite.
Jen_0000781MAGMATIC STYLE: Central 2.6 km2 plug ASSOCIATED SILICATE ROCKS: Foyaite, syenite, fenite and dykes of tinguaite.
Jen_0000782MAGMATIC STYLE: Central 2.6 km2 plug ASSOCIATED SILICATE ROCKS: Foyaite, syenite, fenite and dykes of tinguaite.


10 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
sedexmvt-00186750750750 Ma (geological relations)geological relations       2424Berg Aukas Mine (Berg Aukus Mine), Grootfontein, Otjozondjupa Region, NamibiaBerg AukasTaylor et al. (2009) USGSOFR2009_1297 
CGSN10_99-Kombat600600   high      235838Kombat, Grootfontein, Otjozondjupa Region, NamibiaKombatDeane (1995) CGSN10_99best estimate for mineralization age
sedznpb-00339601537570±31 – 554±17        2427Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, NamibiaKombatSinger et al. (2009) USGSOFR2009-1252 
ree-00478201145Jurassic        158049Etaneno, Kalkfeld, Omatako, Otjozondjupa Region, NamibiaKalkfeld (Etaneno)Orris and Grauch (2002) USGSOFR02_189 
Jen_0000462172.8153.6172.8-153.6K-Ar       73245Kalkfeld Complex, Kalkfeld, Omatako, Otjozondjupa Region, NamibiaKalkfeld ComplexErnst and Bell (2010)10.1007/s00710-009-0074-1MP98_55 
Jen_0000780163.2163.2163.2K-Ar biotite     73245Kalkfeld Complex, Kalkfeld, Omatako, Otjozondjupa Region, NamibiaKalkfeldWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0000781153.6153.6153.6K-Ar biotite     73245Kalkfeld Complex, Kalkfeld, Omatako, Otjozondjupa Region, NamibiaKalkfeldWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0000782172.8172.8172.8K-Ar biotite     73245Kalkfeld Complex, Kalkfeld, Omatako, Otjozondjupa Region, NamibiaKalkfeldWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0000739133.9119.3126.6±7.3Rb-Sr       5842Okorusu Mine (Okarusu Mine), Otjiwarongo, Otjozondjupa Region, NamibiaOkorusuWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
ree-00481133.9119.3Early Cretaceous-- 126.6 ± 7.3 Ma (Rb-Sr)Rb-Sr       5842Okorusu Mine (Okarusu Mine), Otjiwarongo, Otjozondjupa Region, NamibiaOkorusu ComplexOrris and Grauch (2002) USGSOFR02_189 

SampleSource LocalityReference URL
R050509Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R050509
R050037Berg Aukas Mine (Berg Aukus Mine), Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R050037
R040051Berg Aukas Mine (Berg Aukus Mine), Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R040051
R090029Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R090029
R090032Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R090032
R090031Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R090031
R070635Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R070635
R070651Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R070651
R070639Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R070639
R060619Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R060619
R070638Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R070638
R070719Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R070719
R100042Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R100042
R060249Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R060249
R070720Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R070720
R060616Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R060616
R140497Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R140497
R130122Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibiahttps://rruff.info/R130122
R070722Otjosondu, Omatako, Otjozondjupa Region, Namibiahttps://rruff.info/R070722

All locality data graciously provided by mindat.org

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