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:
Huambo Province, Angola

Oldest recorded age at locality: 145
Youngest recorded age at locality: 66

mindat Locality ID: 125552
mindat URL: http://www.mindat.org/loc-125552.html

Tectonic Settings:

Total number of sublocalities beneath "Huambo Province, Angola": 12
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Bailundo City Council
Ekunda City Council
Jolomba
Londuimbali City Council
Longonjo City Council
Mungo City Council

Latitude: 12°14'29"S
Longitude: 15°35'49"E
Decimal Degree (lat, lon): -12.241388888889,15.596944444444
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 B Ba C Ca Ce Cl Cr F Fe H K Mg Mn Na Nd O P Pb S Si Sr Th Ti Y Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleApatiteAragoniteBaddeleyiteBaryteBradleyiteBrookiteBurbankiteCalciteClay
CoronaditeCorundumDiasporeEudialyteFairchilditeFeldsparFluoriteIronLepidocrociteMagnetoplumbite
MicaNoneNorthupiteNot in a structural groupOlivinePyritePyroxeneQuartzRhabdophaneRocksalt
RutileSpinelTitaniteTridymiteWollastoniteZircon

56 IMA Minerals at location:
Aegirine  (*)Albite  (*)Anatase  (*)Anhydrite  (*)Ankerite  (*)
Anorthite  (*)Arfvedsonite  (*)Baddeleyite  (*)Baryte  (*)Bradleyite  (*)
Brockite  (*)Brookite  (*)Burbankite  (*)Calcite  (*)Celestine  (*)
Cerianite-(Ce)  (*)Chromite  (*)Dolomite  (*)Eitelite  (*)Eudialyte  (*)
Fayalite  (*)Ferrosilite  (*)Ferrotychite  (*)Fluorapatite  (*)Fluorite  (*)
Galena  (*)Goethite  (*)Gregoryite  (*)Halite  (*)Hematite  (*)
Hibonite  (*)Hollandite  (*)Iimoriite-(Y)  (*)Ilmenite  (*)Iron  (*)
Kainosite-(Y)  (*)Lepidocrocite  (*)Magnetite  (*)Nepheline  (*)Nyerereite  (*)
Phlogopite  (*)Pyrite  (*)Quartz  (*)Rhabdophane-(Ce)  (*)Rhabdophane-(Nd)  (*)
Romanèchite  (*)Rutile  (*)Shortite  (*)Stillwellite-(Ce)  (*)Strontianite  (*)
Synchysite-(Y)  (*)Titanite  (*)Troilite  (*)Witherite  (*)Wollastonite  (*)
Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O614566115621022
Albite  (*)FeldsparNa(AlSi3O8)14566115628803
Anatase  (*)Not in a structural groupTiO214566115622162
Anhydrite  (*)Not in a structural groupCa(SO4)14566115621588
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)214566115623092
Anorthite  (*)FeldsparCa(Al2Si2O8)115661036
Arfvedsonite  (*)AmphiboleNaNa2(Fe2+4Fe3+)Si8O22(OH)21456611562295
Baddeleyite  (*)BaddeleyiteZrO21456611570238
Baryte  (*)BaryteBa(SO4)1456651562,1564,1568,1570,157211547
Bradleyite  (*)BradleyiteNa3Mg(PO4)(CO3)1456621562,157014
Brockite  (*)Rhabdophane(Ca,Th,Ce)(PO4)·H2O145661156248
Brookite  (*)BrookiteTiO21456611562700
Burbankite  (*)Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5145661157052
Calcite  (*)CalciteCa(CO3)1456621562,156827770
Celestine  (*)BaryteSr(SO4)14566115701252
Cerianite-(Ce)  (*)FluoriteCeO2145661156294
Chromite  (*)SpinelFe2+Cr2O4115663902
Dolomite  (*)NoneCaMg(CO3)21456641562,1564,1568,15709895
Eitelite  (*)NoneNa2Mg(CO3)21456621562,157020
Eudialyte  (*)EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)21456611562182
Fayalite  (*)OlivineFe2+2(SiO4)11566371
Ferrosilite  (*)PyroxeneFe2+2Si2O61156684
Ferrotychite  (*)NorthupiteNa6Fe2+2(CO3)4(SO4)14566115622
Fluorapatite  (*)ApatiteCa5(PO4)3F14566115622740
Fluorite  (*)FluoriteCaF214566115649617
Galena  (*)RocksaltPbS145661157024243
Goethite  (*)DiasporeFeO(OH)14566115627437
Gregoryite  (*)NoneNa2(CO3)14566115623
Halite  (*)RocksaltNaCl14566115621398
Hematite  (*)CorundumFe2O3145661156214640
Hibonite  (*)MagnetoplumbiteCaAl12O19145661156280
Hollandite  (*)CoronaditeBa(Mn4+6Mn3+2)O161456611562243
Iimoriite-(Y)  (*)NoneY2(SiO4)(CO3)14566115628
Ilmenite  (*)CorundumFe2+Ti4+O31456621562,15665433
Iron  (*)IronFe115661089
Kainosite-(Y)  (*)NoneCa2Y2(SiO3)4(CO3)·H2O145661156299
Lepidocrocite  (*)LepidocrociteFe3+O(OH)1456611562581
Magnetite  (*)SpinelFe2+Fe3+2O41456631562,1570,157214899
Nepheline  (*)TridymiteNa3K(Al4Si4O16)1456611562884
Nyerereite  (*)FairchilditeNa2Ca(CO3)21456621562,157018
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2130109115682273
Pyrite  (*)PyriteFeS21456621562,157039462
Quartz  (*)QuartzSiO21456621564,157061156
Rhabdophane-(Ce)  (*)RhabdophaneCe(PO4)·H2O145661156266
Rhabdophane-(Nd)  (*)RhabdophaneNd(PO4)·H2O145661156214
Romanèchite  (*)None(Ba,H2O)2(Mn4+,Mn3+)5O101456611562312
Rutile  (*)RutileTiO21456621562,15705614
Shortite  (*)NoneNa2Ca2(CO3)31456621562,157037
Stillwellite-(Ce)  (*)NoneCeBSiO5145661156219
Strontianite  (*)AragoniteSr(CO3)1456631562,1568,1570589
Synchysite-(Y)  (*)NoneCaY(CO3)2F1456631562,1564,157055
Titanite  (*)TitaniteCaTi(SiO4)O1456621562,15684899
Troilite  (*)NoneFeS115661044
Witherite  (*)AragoniteBa(CO3)1456611570251
Wollastonite  (*)WollastoniteCaSiO3130109115681247
Zircon  (*)ZirconZr(SiO4)1456621562,15685251


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000734MAGMATIC STYLE: Small intrusions, generally within fenite. ASSOCIATED SILICATE ROCKS: Nepheline syenite, breccia, fenite and probably haüyne-bearing syenite.
Jen_0000735MAGMATIC STYLE: Small intrusions, generally within fenite. ASSOCIATED SILICATE ROCKS: Nepheline syenite, breccia, fenite and probably haüyne-bearing syenite.


6 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
ree-0000214566Cretaceous        158061Bailundo, Bailundo City Council, Huambo Province, AngolaBailundoOrris and Grauch (2002) USGSOFR02_189 
ree-0000514566Cretaceous        158064Coola, Ekunda City Council, Huambo Province, AngolaCoolaOrris and Grauch (2002) USGSOFR02_189 
Jen_0000734109109109K-Ar amphibole     158066Monte Verde, Londuimbali City Council, Huambo Province, AngolaMonte VerdeWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0000735130130130K-Ar amphibole     158066Monte Verde, Londuimbali City Council, Huambo Province, AngolaMonte VerdeWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
ree-00008130109109-130 Ma        158066Monte Verde, Londuimbali City Council, Huambo Province, AngolaMonte VerdeOrris and Grauch (2002) USGSOFR02_189 
ree-0000614566Cretaceous        158065Mt Chibilundo, Longonjo City Council, Huambo Province, AngolaLongonjo (Mt. Chibilundo)Orris and Grauch (2002) USGSOFR02_189 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

All age data...

Other copyright data...