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:
Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibia

Oldest recorded age at locality: 601
Youngest recorded age at locality: 537

mindat Locality ID: 2427
mindat URL: http://www.mindat.org/loc-2427.html

Tectonic Settings:

Total number of sublocalities beneath "Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein, Otjozondjupa Region, Namibia": 3
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Asis West Sector

Latitude: 19°46'59"S
Longitude: 18°1'0"E
Decimal Degree (lat, lon): -19.783055555556,18.016666666667

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 B Ba Be C Ca Ce Cl Cr Cu F Fe Ge H K Li Mg Mn Mo Na O P Pb REE S Si Sn V Zn Zr 

Elements from minerals reported directly at this locality: Ag Al As B Ba Be C Ca Ce Cl Cr Cu F Fe Ge H K Li Mg Mn Mo Na O P Pb REE S Si Sn V Zn Zr 

Structural Groups for minerals in this locality: 
AdeliteAllophaneAmphiboleApatiteAragoniteArsenopyriteAsisiteBaryteBastnäsiteBrochantite
BruciteCalciteCancrinite-sodaliteChalcopyriteClayClinozoisiteCopperCoronaditeCorundumCovellite
DescloiziteDigeniteEnargiteEpidoteFeldsparFluoriteGarnetGermaniteGypsumHarkerite
HematoliteHereroiteHumiteKaoliniteMalachiteMicaMolybdeniteMolybdophylliteMonaziteNone
Not in a structural groupOlivinePectolitePerovskitePyritePyrophyllitePyroxeneQuartzRhodoniteRocksalt
RutileScheeliteSodaliteSphaleriteSpinelTalcTetrahedriteVesuvianiteWurtziteWöhlerite
Zircon

128 IMA Minerals at location:
Actinolite  (*)Aegirine  (*)Albite  (*)Alleghanyite  (*)Anglesite  (*)
Anhydrite  (*)Aragonite  (*)Arsenopyrite  (*)Asisite  (*)Azurite  (*)
Barysilite  (*)Baryte  (*)Bastnäsite-(Ce)  (*)Bayldonite  (*)Betekhtinite  (*)
Bornite  (*)Britvinite  (*)Brochantite  (*)Brucite  (*)Brushite  (*)
Cahnite  (*)Calcite  (*)Carlfrancisite  (*)Cassiterite  (*)Cerussite  (*)
Chalcocite  (*)Chalcopyrite  (*)Chrysocolla  (*)Clinozoisite  (*)Colusite  (*)
Copper  (*)Coronadite  (*)Covellite  (*)Crednerite  (*)Crocoite  (*)
Cuprite  (*)Cuspidine  (*)Damaraite  (*)Defernite  (*)Digenite  (*)
Dioptase  (*)Dolomite  (*)Duftite  (*)Enargite  (*)Epidote  (*)
Erikjonssonite  (*)Fluorite  (*)Galaxite  (*)Galena  (*)Ganophyllite  (*)
Glaucochroite  (*)Grootfonteinite  (*)Gypsum  (*)Harkerite  (*)Hausmannite  (*)
Hedyphane  (*)Helvine  (*)Hematite  (*)Hematophanite  (*)Hereroite  (*)
Hillebrandite  (*)Holdawayite  (*)Hollandite  (*)Hydroxylapatite  (*)Jacobsite  (*)
Jaffeite  (*)Janchevite  (*)Jerrygibbsite  (*)Johninnesite  (*)Kaolinite  (*)
Kentrolite  (*)Kombatite  (*)Kutnohorite  (*)Lautite  (*)Lead  (*)
Leadhillite  (*)Leucophoenicite  (*)Magnetite  (*)Malachite  (*)Manganberzeliite  (*)
Manganite  (*)Manganosite  (*)Melanotekite  (*)Microcline  (*)Milanriederite  (*)
Mimetite  (*)Molybdenite  (*)Molybdophyllite  (*)Monazite-(Ce)  (*)Mottramite  (*)
Muscovite  (*)Nambulite  (*)Natronambulite  (*)Orthoclase  (*)Phlogopite  (*)
Pyrite  (*)Pyrobelonite  (*)Pyrochroite  (*)Pyrolusite  (*)Pyromorphite  (*)
Pyrophyllite  (*)Quartz  (*)Renierite  (*)Rhodochrosite  (*)Rhodonite  (*)
Ribbeite  (*)Richterite  (*)Roymillerite  (*)Sahlinite  (*)Sakhaite  (*)
Serandite  (*)Siderite  (*)Silver  (*)Smithsonite  (*)Spessartine  (*)
Sphalerite  (*)Sussexite  (*)Talc  (*)Tennantite-(Fe)  (*)Tephroite  (*)
Vaterite  (*)Vesuvianite  (*)Vladkrivovichevite  (*)Wiserite  (*)Witherite  (*)
Wulfenite  (*)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)260153703419
Aegirine  (*)PyroxeneNaFe3+Si2O660153701022
Albite  (*)FeldsparNa(AlSi3O8)60153708803
Alleghanyite  (*)HumiteMn2+5(SiO4)2(OH)2601537077
Anglesite  (*)BarytePb(SO4)60153702734
Anhydrite  (*)Not in a structural groupCa(SO4)60153701588
Aragonite  (*)AragoniteCa(CO3)60153703250
Arsenopyrite  (*)ArsenopyriteFeAsS60153709052
Asisite  (*)AsisitePb7SiO8Cl260153701
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)260153705509
Barysilite  (*)NonePb8Mn(Si2O7)360153709
Baryte  (*)BaryteBa(SO4)60153718693811547
Bastnäsite-(Ce)  (*)BastnäsiteCe(CO3)F6015370304
Bayldonite  (*)NoneCu3PbO(AsO3OH)2(OH)26015370172
Betekhtinite  (*)None(Cu,Fe)21Pb2S15601537045
Bornite  (*)NoneCu5FeS460153705516
Britvinite  (*)MolybdophyllitePb14Mg9(Si10O28)(BO3)4(CO3)2(OH)12F260153702
Brochantite  (*)BrochantiteCu4(SO4)(OH)660153701633
Brucite  (*)BruciteMg(OH)26015370462
Brushite  (*)GypsumCa(PO3OH)·2H2O6015370104
Cahnite  (*)ZirconCa2B(AsO4)(OH)4601537013
Calcite  (*)CalciteCa(CO3)60153718693827770
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  (*)RutileSnO260153705171
Cerussite  (*)AragonitePb(CO3)60153704979
Chalcocite  (*)NoneCu2S60153705707
Chalcopyrite  (*)ChalcopyriteCuFeS2601537027198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O60153703531
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)60153701025
Colusite  (*)Sphalerite GermaniteCu13VAs3S166015370110
Copper  (*)CopperCu6015371869383846
Coronadite  (*)CoronaditePb(Mn4+6Mn3+2)O166015370227
Covellite  (*)CovelliteCuS60153704165
Crednerite  (*)NoneCuMnO2601537035
Crocoite  (*)Monazite BarytePb(CrO4)601537081
Cuprite  (*)Not in a structural groupCu2O60153702970
Cuspidine  (*)WöhleriteCa8(Si2O7)2F4601537067
Damaraite  (*)NonePb3O2(OH)Cl6015371869382
Defernite  (*)NoneCa6(CO3)1.58(Si2O7)0.21(OH)7[Cl0.50(OH)0.08(H2O)0.42]60153702
Digenite  (*)DigeniteCu1.8S60153701027
Dioptase  (*)NoneCuSiO3·H2O6015370164
Dolomite  (*)NoneCaMg(CO3)260153709895
Duftite  (*)AdelitePbCu(AsO4)(OH)6015370220
Enargite  (*)Enargite WurtziteCu3AsS46015370910
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)60153708173
Erikjonssonite  (*)Hereroite(Pb32O21)[(V,Si,Mo,As)O4]4Cl960153701
Fluorite  (*)FluoriteCaF260153709617
Galaxite  (*)SpinelMn2+Al2O4601537043
Galena  (*)RocksaltPbS601537024243
Ganophyllite  (*)Clay(K,Na)xMn2+6(Si,Al)10O24(OH)4·nH2O (x = 1-2; n = 7-11)601537045
Glaucochroite  (*)OlivineCaMn2+(SiO4)60153707
Grootfonteinite  (*)NonePb3O(CO3)260153701
Gypsum  (*)GypsumCa(SO4)·2H2O60153706890
Harkerite  (*)HarkeriteCa48Mg16[AlSi4O15(OH)]4(BO3)16(CO3)16·2(H2O,HCl)601537011
Hausmannite  (*)SpinelMn2+Mn3+2O4601537186938350
Hedyphane  (*)ApatiteCa2Pb3(AsO4)3Cl601537048
Helvine  (*)Sodalite Cancrinite-sodaliteBe3Mn2+4(SiO4)3S6015370237
Hematite  (*)CorundumFe2O3601537014640
Hematophanite  (*)PerovskitePb4Fe3+3O8(Cl,OH)6015371869383
Hereroite  (*)Hereroite[Pb32(O,   )21](AsO4)2[(Si,As,V,Mo)O4]2Cl1060153701
Hillebrandite  (*)NoneCa2SiO3(OH)2601537017
Holdawayite  (*)NoneMn2+6(CO3)2(OH)7(Cl,OH)60153703
Hollandite  (*)CoronaditeBa(Mn4+6Mn3+2)O166015370243
Hydroxylapatite  (*)ApatiteCa5(PO4)3OH6015370367
Jacobsite  (*)SpinelMn2+Fe3+2O4601537186938172
Jaffeite  (*)NoneCa6Si2O7(OH)660153702
Janchevite  (*)AsisitePb7V5+(O8.5   0.5)Cl260153701
Jerrygibbsite  (*)HumiteMn2+9(SiO4)4(OH)260153703
Johninnesite  (*)NoneNa2Mn2+9Mg7(AsO4)2(Si6O17)2(OH)860153702
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)460153705591
Kentrolite  (*)NonePb2Mn3+2O2(Si2O7)601537022
Kombatite  (*)NonePb14O9(VO4)2Cl460153702
Kutnohorite  (*)NoneCaMn2+(CO3)26015370234
Lautite  (*)NoneCuAsS601537032
Lead  (*)CopperPb6015370192
Leadhillite  (*)NonePb4(SO4)(CO3)2(OH)26015370265
Leucophoenicite  (*)HumiteMn2+7(SiO4)3(OH)2601537010
Magnetite  (*)SpinelFe2+Fe3+2O4601537014899
Malachite  (*)MalachiteCu2(CO3)(OH)2601537012537
Manganberzeliite  (*)Garnet(NaCa2)Mn2+2(AsO4)3601537024
Manganite  (*)RutileMn3+O(OH)6015370770
Manganosite  (*)RocksaltMnO601537073
Melanotekite  (*)NonePb2Fe3+2O2(Si2O7)601537022
Microcline  (*)FeldsparK(AlSi3O8)60153704924
Milanriederite  (*)Vesuvianite(Ca,REE)19Fe3+Al4(Mg,Al,Fe3+)8Si18O68(OH,O)1060153701
Mimetite  (*)ApatitePb5(AsO4)3Cl60153701107
Molybdenite  (*)MolybdeniteMoS260153705800
Molybdophyllite  (*)MolybdophyllitePb8Mg9[Si10O28(OH)8O2(CO3)3]·H2O60153703
Monazite-(Ce)  (*)MonaziteCe(PO4)6015370945
Mottramite  (*)DescloizitePbCu(VO4)(OH)6015370362
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2601537017380
Nambulite  (*)RhodoniteLiMn2+4Si5O14(OH)601537012
Natronambulite  (*)RhodoniteNaMn2+4Si5O14(OH)60153707
Orthoclase  (*)FeldsparK(AlSi3O8)60153702349
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)260153702273
Pyrite  (*)PyriteFeS2601537039462
Pyrobelonite  (*)DescloizitePbMn2+VO4(OH)601537021
Pyrochroite  (*)BruciteMn2+(OH)2601537056
Pyrolusite  (*)RutileMnO260153703106
Pyromorphite  (*)ApatitePb5(PO4)3Cl60153701725
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)26015370771
Quartz  (*)QuartzSiO2601537061156
Renierite  (*)Sphalerite Germanite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16601537037
Rhodochrosite  (*)CalciteMn(CO3)60153701711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)6015370969
Ribbeite  (*)HumiteMn2+5(SiO4)2(OH)2601537013
Richterite  (*)AmphiboleNa(NaCa)Mg5Si8O22(OH)26015370148
Roymillerite  (*)MolybdophyllitePb24Mg9(Si10O28)(CO3)10(BO3)(SiO4)(OH)13O560153701
Sahlinite  (*)NonePb14O9(AsO4)2Cl460153704
Sakhaite  (*)HarkeriteCa48Mg16(BO3)32(CO3)16·2(H2O,HCl)60153707
Serandite  (*)PectoliteNaMn2+2Si3O8(OH)601537038
Siderite  (*)CalciteFe(CO3)60153706417
Silver  (*)CopperAg60153705186
Smithsonite  (*)CalciteZn(CO3)60153702473
Spessartine  (*)GarnetMn2+3Al2(SiO4)360153701214
Sphalerite  (*)SphaleriteZnS601537021482
Sussexite  (*)NoneMn2+BO2(OH)601537025
Talc  (*)Clay TalcMg3Si4O10(OH)260153703337
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1360153701803
Tephroite  (*)OlivineMn2+2(SiO4)6015370240
Vaterite  (*)NoneCa(CO3)601537037
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1060153701395
Vladkrivovichevite  (*)Not in a structural group[Pb32O18][Pb4Mn2O]Cl14(BO3)8·2H2O60153701
Wiserite  (*)NoneMn2+14(B2O5)4(OH)8·(Si,Mg)(O,OH)4Cl601537015
Witherite  (*)AragoniteBa(CO3)6015370251
Wulfenite  (*)ScheelitePbMoO460153701655
Yangite  (*)Not in a structural groupPbMnSi3O8·H2O60153701
Zircon  (*)ZirconZr(SiO4)60153705251



2 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
CGSN10_99-Kombat600600   high   Yes  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 


SampleSource LocalityReference URL
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


All locality data graciously provided by mindat.org

All age data...

Other copyright data...